tobacco product that heats tobacco or synthetic nicotine without burning it, producing an aerosol. This is called____

Answers

Answer 1

Tobacco product that heats tobacco or synthetic nicotine without burning it, producing an aerosol. This is called "heat-not-burn" device.

These devices heat tobacco or synthetic nicotine without combustion, producing an aerosol instead of traditional smoke.

By avoiding the burning process, they are designed to reduce the harmful chemicals released during smoking.

The aerosol generated is called "vapor," which is inhaled by users, offering a similar experience to traditional smoking but with potentially reduced health risks.

Heat-not-burn products have gained popularity as an alternative to conventional cigarettes and e-cigarettes, though their long-term health effects are still being researched. tobacco or synthetic nicotine without burning it.

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Related Questions

Pikes Peak near Denver, Colorado, has an elevation of 14,110 ft.
A) Determine the pressure at this elevation, based on the equation
p = pa(1 - βz/T0)g/Rβ
β = .00650 K/m = absolute pressure at z =0 R= 286.9 J/kg*k.
B) If the air is assumed to have a constant specific weight of 0.07647 lb/ft3 what would the pressure be at this altitude?
C) If the air is assumed to have a constant temperature of 59˚F what would the pressure be at this elevation? For all three cases assume standard atmospheric conditions at sea level.
Properties of U.S Standard Atmosphere at Sea Level
Property SI Units BG Units
Temperature, T 288.15 K(15 oC) 518.67 oR(59.00 oF)
Pressure, P 101.33 kPa(abs) 2116.2 Ib/ft2(abs)
(14.696 Ib/in.2(abs))
Density 1.225 kg/m3 0.00237 slugs/ft3
Specific weight 12.014 N/m3 0.07647 Ib/ft3
Viscosity, mu 1.789 * 10-5 N.s/m2 3.737 * 10-7 Ib.s/ft2

Answers

Answer:

A. 1236.49 lb/ft²

B. 1037.21 lb/ft²

C 2269.7 lb/ft²

Explanation:

P = pa(1-βz/Ta)^g/Rβ

a.)

Pa [1-(0.00357)(14110)/518.67]^32.2/1716*0.00357

= 2116.2(1-0.09712)^5.26

= 2116.2(0.5843)

= 1236.49566 lb/ft²

b.)

Pressure at higher elevation

P = Pa - yz

= 2116.2-(0.07647)(14110)

= 1037.2083 lb/ft³

C.

Pressure at higher elevation if air is isothermal

= (Pa)*exp[-(32.2)(14110)/(1716)(519)]

= 2116.2*exp[-454342/890604]

= 1269.7 lb/ft²

vital role of maritime english among seaferers

Answers

Answer:

uehgeg7djw7heidiisosowiuisiejei2k

Write in details ( Green building / civil
engineering)
1. According to Green Building code or standard? What are the main considering factors?

Answers

Green building refers to the use of environmentally responsible and resource-efficient techniques and materials in the construction and operation of buildings. The Green Building Code or standard includes several factors that are considered in the construction and operation of green buildings.

Some of the primary factors that are considered include energy efficiency, water conservation, material selection, indoor air quality, and waste reduction.The following are the details of the factors that are considered in green building construction and operation:

1. Energy Efficiency: Energy efficiency is one of the primary factors that are considered in green building. The main aim of energy efficiency is to reduce energy consumption by utilizing efficient lighting, heating, and cooling systems. This is achieved by using energy-efficient appliances, insulation, and HVAC systems.

2. Water Conservation: Water conservation is another important factor that is considered in green building. The main aim of water conservation is to reduce the use of potable water in buildings. This is achieved by utilizing water-efficient fixtures, rainwater harvesting, and greywater recycling.

3. Material Selection: Material selection is another crucial factor that is considered in green building. The main aim of material selection is to use environmentally friendly and sustainable materials in the construction of buildings. This is achieved by utilizing materials that have low embodied energy, are recyclable, and are locally sourced.

4. Indoor Air Quality: Indoor air quality is another important factor that is considered in green building. The main aim of indoor air quality is to ensure that the air inside the building is healthy and clean. This is achieved by using non-toxic and low VOC materials, ensuring proper ventilation, and reducing the use of harmful chemicals.

5. Waste Reduction: Waste reduction is another critical factor that is considered in green building. The main aim of waste reduction is to reduce the amount of waste generated during the construction and operation of buildings. This is achieved by utilizing sustainable waste management techniques, recycling, and reusing materials.

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A three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius 5.6 mm; the specimen fractured at a load of 4250 N when the distance between support points was 44 mm. Another test is to be performed on a specimen of this same material, but one that has a square cross section of 12 mm in length on each edge. At what load would you expect this specimen to fracture if the support point separation is maintained at 44 mm

Answers

Answer:

F =  8849 N

Explanation:

Given:

Load at a given point = F =  4250 N

Support span = L = 44 mm

Radius = R = 5.6 mm

length thickness of tested material = 12 mm

First compute the flexural strength for circular cross section using the formula below:

σ\(_{fs} = F_{f} L / \pi R^{3}\)

σ = FL / π R³

Putting the given values in the above formula:

σ = 4250 ( 44 x 10⁻³ ) / π  ( 5.6 x 10⁻³ ) ³

  = 4250 ( 44 x 10⁻³ )  / 3.141593 ( 5.6 x 10⁻³ ) ³

  = 4250 (44 x 1 /1000 )) / 3.141593 ( 5.6 x 10⁻³ ) ³

  = 4250 ( 11 / 250  ) / 3.141593 ( 5.6 x 10⁻³ ) ³

  = 187 / 3.141593 ( 5.6 x 1 / 1000 ) ³

  = 187 / 3.141593 (0.0056)³

  = 338943767.745358

  = 338.943768 x 10⁶

σ = 338 x 10⁶ N/m²

Now we compute the load i.e. F from the following formula:

\(F_{f}\) = 2 σ\(_{fs}\) d³/3 L

F = 2σd³/3L

  = 2(338 x 10⁶)(12 x 10⁻³)³ / 3(44 x 10⁻³)

  = 2 ( 338 x 1000000 ) ( 12 x 10⁻³)³ / 3 ( 44 x 10⁻³)

  = 2 ( 338000000 ) ( 12 x 10⁻³)³ / 3 ( 44 x 10⁻³)

  = 676000000 ( 12 x 10⁻³)³ / 3 ( 44 x 10⁻³)

  = 676000000 ( 12  x  1/1000  )³ / 3 ( 44 x 10⁻³)

  = 676000000 (  3  / 250  )³ / 3 ( 44 x 10⁻³)

  = 676000000 (  27  / 15625000 )  / 3 ( 44 x 10⁻³)

  = 146016  / 125 / 3 ( 44 x 1 / 1000  )

  = ( 146016  / 125 ) /  (3 ( 11 /  250 ))

  =  97344  / 11

F =  8849 N

with the aid of a diagram and examples explain the five components that are considered in an electric circuit​

Answers

Electric circuits consist of five key components - a source, conductor, load, switch, and ground.

How is this so?

These components   work together to allow the flow of energy in a circuit.

Examples of electric circuitsinclude those powering light bulbs, motors, and computers.

Each component plays a   crucial role in the circuit's functionality, and without any one of them,the circuit would not work.

Electric circuits are utilized   in numerous devices across various industries for a wide range of applications.

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with the aid of a diagram and examples explain the five components that are considered in an electric

consider a discrete random variable X which is over a set of all consecutive integers from 0 to 6 ie over the set {0.1,...6} also assume that P[X=n] is the same for every n. what is E[X]

Answers

Since P[X=n] is the same for every n, we can use the formula for the expected value of a discrete random variable, which is E[X] = Σ (n * P[X=n]). Since P[X=n] is the same for every n, we can simplify this formula to E[X] = Σ (n * p), where p is the probability of any given value.

We know that there are 7 consecutive integers from 0 to 6, so p = 1/7.
Therefore, E[X] = Σ (n * 1/7) = (0/7 + 1/7 + 2/7 + 3/7 + 4/7 + 5/7 + 6/7) / 7 = 21/2 * 1/7 = 3.
So the expected value of X is 3.
To calculate the expected value E[X] of a discrete random variable X with a uniform distribution over the set {0,1,...,6}, follow these steps:

1. Determine the probability of each outcome: Since P[X=n] is the same for every n, and there are 7 possible outcomes (0 to 6), the probability for each outcome is 1/7.
2. Multiply each outcome by its probability: Calculate the product of each integer in the set and its probability (1/7). For example, for the integer 0, the product is 0*(1/7), for 1, it's 1*(1/7), and so on.
3. Sum the products: Add up the products calculated in step 2: 0*(1/7) + 1*(1/7) + 2*(1/7) + 3*(1/7) + 4*(1/7) + 5*(1/7) + 6*(1/7).
4. Calculate E[X]: E[X] = 0*(1/7) + 1*(1/7) + 2*(1/7) + 3*(1/7) + 4*(1/7) + 5*(1/7) + 6*(1/7) = (1/7)(0 + 1 + 2 + 3 + 4 + 5 + 6) = (1/7)(21) = 3.
So, the expected value E[X] for the discrete random variable X over the set {0,1,...,6} is 3.

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What are the default shared folders in a domain controller? he NETLOGON and SYSVOL NETLOGON and USERS SYSVOL and DNS O SYSVOL and PRINTERS

Answers

The default shared folders in a domain controller are:

1. NETLOGON: This shared folder contains the scripts and logon-related files that are used during the logon process. It is typically used to store logon scripts that are executed when users log on to the domain.

2. SYSVOL: SYSVOL is a shared folder that stores the server's copy of the domain's public files. It includes items such as Group Policy objects and logon scripts, which are replicated to all domain controllers in a domain.

Therefore, the correct answer is: NETLOGON and SYSVOL. These two shared folders are integral to the functioning and management of a Windows domain.

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A 6-cm-diameter horizontal water jet having a velocity of 25 m/s strikes a vertical stationary
flat plate. The water splatters in all directions in the plane of the plate. ANALYZE the linear
momentum equation for a fixed control volume to find; the amount of force required to hold
the plate against the water stream? Take the density of water to be 1000 kg/m3

Answers

To find the force required to hold the plate against the water stream, we can use the linear momentum equation for a fixed control volume. The linear momentum equation states that the rate of change of momentum within the control volume is equal to the net force acting on the control volume.

In this case, the control volume is the plate and the water jet is the system that is interacting with the plate. The density of water is given as 1000 kg/m3. The velocity of the water jet is 25 m/s and the diameter of the jet is 6 cm, which is equivalent to 0.06 m. The mass flow rate of the water jet can be calculated as follows:

Mass flow rate = Density * Velocity * Area
= 1000 kg/m^3 * 25 m/s * (3.14 * (0.06/2)^2)
= 0.11 kg/s

The momentum of the water jet is equal to the mass flow rate multiplied by the velocity of the jet. The force required to hold the plate against the water stream is equal to the rate of change of momentum of the jet.

Force = Rate of change of momentum
= Mass flow rate * Velocity
= 0.11 kg/s * 25 m/s
= 2.75 N

In a List of Positive Integers, Set MINIMUM to 1. For each number X in the list L, compare it to MINIMUM. If X is smaller, set MINIMUM to X.” Read this STATEMENT very carefully and Answer the below Questions.

A. Will this Algorithm RUN?? Yes or No with a justification

B. Will X Replace Any Value or Not?

Answers

Answer:

A. Yes, it will run

B. X will not replace any value

Explanation:

A. Will it run?

First, the algorithm can be interpreted in python as follows:

#Set Minimum to 1

MINIMUM = 1

#For every element X in the list L

for X in L:

#If current element X is less than MINIMUM

    if X < MINIMUM:

#Set MINIMUM to X

         MINIMUM = X

#Print MINIMUM

print(MINIMUM)

The algorithm will run without error because it follows the right sequence and has no syntax error

B. Will X replace any value?

No, it won't

The smallest positive integer is 1.

So, setting the MINIMUM to 1 means that the value of X in the list will not replace the MINIMUM because the MINIMUM has already been set

The storage tanks are on a platform placed next to the building at the second-floor level. Based on the potential hazards, are there any concerns about the space immediately below the tanks

Answers

The should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.

What are potential hazards?

Potential hazards refers to the active source for potential damage on a building, structure etc

It is important we know that the storage tanks are placed on a platform next to the building at the second-floor level but nothing beneath the tanks stands.

Hence, there should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.

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the decrease in air pressure cause by friction between the air moving through a duct and the internal surfaces of a duct. p403 is a description of __
Static pressure drop
Inclined Manometer
U-tube Manometer
Equal friction chart

Answers

The decrease in air pressure caused by friction between the air moving through a duct and the internal surfaces of the duct (p403) is a description of a static pressure drop.

How can we describe p403?

The description on p. 403 is of the static pressure drop caused by friction between the air moving through a duct and the internal surfaces of the duct.

This can be measured using instruments such as an inclined manometer or a U-tube manometer and is taken into account when using an equal friction chart to design duct systems.

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The function of ARP is to resolve a logical address into the corresponding hardware address of a destination? (True or False)

Answers

TRUE

The ARP request packet contains the source MAC address and the source IP address and the destination IP address. In the ARP request packet, the source IP address and destination IP address are filled with the same source IP address itself. The destination MAC address is the Ethernet broadcast address (FF:FF:FF:FF:FF:FF).

1. Download the spreadsheet TED Talk Activity 4.xlsx. 2. On the ted_main sheet, insert two new columns to the right of the publish date with a title of "film year" and "publish year." 3. Using the "=YEAR()" formula, extract the year from the film and publish dates. 4. Make sure the new columns are formatted as a number with no decimal places. 5. Select all the data that includes the following fields: Film Year, Publish Year, \# Comments, \# Views (million), Length (minutes), Speaker and Title. Using this highlighted data, insert a pivot table on a new sheet in the workbook. 6. Place "Film Year" in the Row data area, and views, comments, and length in the values area. Set the field settings to the following: a. Average number of views b. Sum of number of comments c. Average length 7. Provide answers to the questions asked below. Please see MS Video: Create and Format Pivot Tables and Pivot Charts. What was the total number of comments for all the years? a. 10.78b. 64660c. 14.76d. 66560

Answers

A spreadsheet is a digital tool used for organizing and analyzing data in rows and columns. It can perform mathematical calculations, create graphs and charts, and automate tasks with formulas and functions.

To complete this task, you need to follow the following steps:

1. Go to the website where you can download the spreadsheet TED Talk Activity 4.xlsx.
2. Download the spreadsheet and open it in Excel.
3. Go to the ted_main sheet and insert two new columns to the right of the publish date with the titles "film year" and "publish year."
4. Using the "=YEAR()" formula, extract the year from the film and publish dates in the respective columns.
5. Make sure the new columns are formatted as numbers with no decimal places.
6. Select all the data that includes the following fields: Film Year, Publish Year, # Comments, # Views (million), Length (minutes), Speaker, and Title.
7. Using this highlighted data, insert a pivot table on a new sheet in the workbook.
8. Place "Film Year" in the Row data area and views, comments, and length in the values area.
9. Set the field settings to the following: a. Average number of views b. Sum of the number of comments c. Average length.
10. To answer the question "What was the total number of comments for all the years?", you need to look at the pivot table and find the value in the "Sum of # Comments" column. The answer is d. 66560.
To answer your question, follow these steps:

1. Open the TED Talk Activity 4.xlsx spreadsheet.
2. In the ted_main sheet, insert two new columns to the right of the publish date, naming them "film year" and "publish year."
3. Use the "=YEAR()" formula to extract the year from the film and publish dates and input them in the respective columns.
4. Format the new columns as numbers with no decimal places.
5. Select the data for Film Year, Publish Year, # Comments, # Views (million), Length (minutes), Speaker, and Title. With this highlighted data, insert a pivot table on a new sheet in the workbook.
6. In the pivot table, place "Film Year" in the Row data area, and views, comments, and length in the values area. Set the field settings as follows:
  a. Average number of views
  b. Sum of the number of comments
  c. Average length
7. Examine the pivot table to find the total number of comments for all the years.

Based on the provided answer choices, the correct option is:
d. 66560

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​​​​​​Give a brief explanation of the difference between a NAAQS
exceedance and a NAAQS violation.

Answers

A NAAQS exceedance refers to temporary levels exceeding the established standard, while a NAAQS violation indicates a persistent or recurring non-compliance with the standard.

NAAQS (National Ambient Air Quality Standard), set by regulatory agencies to protect public health and the environment, establish maximum allowable levels for pollutants in the ambient air. The terms "exceedance" and "violation" are used to describe different scenarios of non-compliance:

1. NAAQS Exceedance: A NAAQS exceedance refers to a temporary event where pollutant concentrations surpass the standard. It may occur due to short-term spikes in pollution levels caused by localized sources, unusual weather conditions, or specific events. Exceedances are typically evaluated and addressed on a case-by-case basis and may not immediately trigger regulatory actions.

2. NAAQS Violation: A NAAQS violation signifies a sustained or recurring non-compliance with the established standard. It occurs when pollutant levels consistently exceed the NAAQS over a specified timeframe, such as an averaging period (e.g., 24 hours or annual). Violations trigger regulatory consequences and the implementation of corrective measures, such as emission controls, enforcement actions, or mandated pollution reduction plans.

Differentiating between exceedances and violations is crucial in regulatory decision-making and prioritizing resources for air quality management. While exceedances may warrant investigation and localized actions, violations indicate the need for more significant and sustained efforts to achieve and maintain compliance with the NAAQS.

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What quantity measures the effect of change?

control variable
independent variable
relative variable
dependent variable

Answers

Answer:

The Dependent Variable is the Effect, Its value depends on changes from the Independent Variable

Hope this Helps

Technician A says that 5W-30 would be better to use than 20W-50 in most vehicles in
cold weather conditions. Technician B says 20W-50 flows better than 5W-30 in cold
weather. Who is correct?

Answers

20

Explanation:

Technician A says that primary vibration is created by slight differences in the inertia of the pistons between top dead center and bottom dead center. Technician B says that secondary vibration is a strong low-frequency vibration caused by the movement of the piston traveling up and down the cylinder. Who is correct? O A. Neither Technician A nor B OB. Technician B O C. Both Technicians A and B D. Technician A​

When driving a commercial motor vehicle safely, it is recommended that you leave at
least one second between your vehicle and the vehicle you are following for each
feet of your vehicle's length.

Answers

Answer:

If you are driving below 40 mph, you should leave at least one second for every 10 feet of vehicle length.

20 points and brainliest is it A, B, C, D
Using your Greek roots and context clues, figure out the meaning of “fissures” in this sentence and select the best definition:

“Look at these recent fissures in the granite roof”

A. an opening made by splitting
B. a crack made from crushing
C. a line made from evaporation
D. a line made from sediment deposits

Answers

Answer:

B

Explanation:

A student used a 500-ml graduated cylinder to measure the volume of water in a 1-cup measure. three trials of the measurement gave volumes of 240 ml, 242 ml, and 235 ml. What is the average of the three measurements?

Answers

Answer:

  239 mL

Explanation:

The average of any set of data is the sum of the values, divided by their number.

  v = (240 +242 +235)/3 = 717/3 = 239 . . . mL

The average of the three measurements is 239 mL.

You want to automate the creation of local users in a Windows 10 workstation, which one of the following tools is applicable?dism.exenet.execsvde.exeocsetup.exeimagex.exe

Answers

One tool that you can use to automate the creation of local users in a Windows 10 workstation is the Command Prompt.

What are the tools to automate ?

The Command Prompt is one tool you may use to automate the creation of local users on a Windows 10 computer.

When creating new local users, you can use the "net user" command to specify things like their password, user account type, and full name.

For instance: net user <username> <password> /add

This will create a brand-new local user using the credentials <username> and <password>.

You can also use Windows PowerShell as a tool.

Compared to Command Prompt, Windows PowerShell is a more capable and flexible tool that lets you automate operations with scripts.

In Windows 10, you can create new local users by using the New-LocalUser cmdlet.

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Dilute countercurrent immiscible extraction
A feed of 100.0 kg/min of a 1.2 wt % mixture of acetic acid in water is to be extracted with 1-butanol at 1 atm pressure and 26.7°C, we desire an outlet concentration of 0.1 wt % acetic acid in the exiting water. We have available solvent stream 1 that is 44.0 kg/min of pure 1-butanol and solvent stream 2 that is 30.0 kg/min of 1-butanol that contains 0.4 wt % acetic acid. Devise a scheme to do this separation, find the outlet flow rate and concentration of the exiting 1-butanol phase, and find the number of equilibrium contacts needed.
In Example we assumed that we were going to use all of the solvent available. There are other alternatives. Determine if the following alternatives are capable of producing outlet water of the desired acetic acid concentration.
a. Use only the pure solvent at the bottom of the extractor.
b. Mix all of the pure and all of the impure solvent together and use them at the bottom of the column.
c. Mix all of the pure and part of the impure solvent together and use them at the bottom of the column.

Answers

Sorry I don’t know the answer I just need to answer some questions before I am allowed to get my work done

technician a says that loose ball joints can cause the vehicle to wander. technician b says that loose control arm bushings can affect alignment angles. who is correct?

Answers

Technician a is correct. The car may veer off course due to loose ball joints. The propensity of a vehicle to veer from one side of the road to the other is known as wander.

The propensity of a vehicle to veer from one side of the road to the other is known as wander. Uneven tire pressure or mismatched tires are potential causes number one. Linkage binding or inadequate lubrication is a potential cause number two. The third potential factor is binding or inadequate lubrication of the steering gear.

The bottom line is that before you start to address poor steering performance, you must identify the underlying source of the issue. Oversteer and understeer have been discussed separately, but we've also included 10 other common steering issues with their likely causes below. You can stop cursing and start fixing your steering problems by locating potential problem areas.

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Also discuss how bandwidth is affected by increasing the number of signal elements.

Answers

Because it depends on how much numbers are increasing into the element

a commercial refrigerator with r-134a as the working fluid is used to keep the refrigerated space at -35 c by rejecting waste heat to cooling water that enters the condenser at 18 c at a rate of 0.25 kg/s and leaves at 26 c. the refrigerant enters the condenser at 1.2 mpa and 50 c and leaves at the same pressure subcooled by 6 c. if the compressor consumes 3.3 kw of power , determine (a) the mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.

Answers

At 1.2mpa pressure and 50c

What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).

a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser

T2 = 46.29C - 5
T2 = 41.29C

Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg

(COP)r = 238/53
(Cop) = 4.490

Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.

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A hydrogenation catalyst is prepared by soaking alumina particles (100-150 mesh size) in aqueous NiNO3 solution. After drying and reduction, the particles contain about 7 wt% NiO. This catalyst is then made into large cylindrical pellets for rate studies. The gross measurements for one pellet are: Mass, g 3.15 Diameter, mm 25 Thickness, mm 6 Volume, cm3 3.22 The alumina particles contain micropores, and the pelleting process introduces macropores surrounding the particles. If the macropore volume of the pellet is 0.645 cm3 and the micropore volume is 0.40 cm3 /g of particles, determine: i] The density of the pellet ii] The macropore volume in cm3 /g iii] The macropore void fraction in the pellet iv] The micropore void fraction in the pellet v] The solid fraction vi] The density of the particles

Answers

i] The density of the pellet is 0.977 g/cm^{3}. ii] The macropore volume in cm^{3}/g is 0.205 cm^{3}/g. iii] The macropore void fraction in the pellet is 25.1%.iv] The micropore void fraction in the pellet is 49.0%. v] The solid fraction of the pellet is 25.9%. vi] The density of the particles is 1.222 g/cm^{3}.

i] To determine the density of the pellet, we can use the formula:

Density = Mass / Volume

Given that the mass of the pellet is 3.15 g and the volume is 3.22cm^{3}, we can calculate the density as follows:

Density = 3.15 g / 3.22 cm^{3}≈ 0.977 \(g/cm^{3\)

ii] The macropore volume in cm3/g can be calculated by dividing the macropore volume of the pellet (0.645 cm3) by the mass of the pellet (3.15 g):

Macropore volume = 0.645 cm^{3} / 3.15 g ≈ 0.205 \(cm^{3} /g\)

iii] The macropore void fraction in the pellet can be calculated using the formula:

Macropore void fraction = Macropore volume / Total volume of the pellet

Total volume of the pellet = Volume - Macropore volume = 3.22 cm^{3}- 0.645 cm^{3} = 2.575 cm^{3}

Macropore void fraction = 0.645 cm^{3} / 2.575 \(cm^{3}\)≈ 0.251 or 25.1%

iv] The micropore void fraction in the pellet can be calculated using the given micropore volume of the particles (0.40 cm^{3} /g) and the mass of the pellet (3.15 g):

Micropore volume in the pellet = Micropore volume/g x Mass

Micropore volume in the pellet = 0.40 \(cm^{3} /g\) x 3.15 g = 1.26 cm3

Micropore void fraction = Micropore volume in the pellet / Total volume of the pellet

Micropore void fraction = 1.26 \(cm^{3}\) / 2.575 \(cm^{3}\) ≈ 0.490 or 49.0%

v] The solid fraction of the pellet can be calculated by subtracting the sum of macropore and micropore void fractions from 1:

Solid fraction = 1 - (Macropore void fraction + Micropore void fraction)

Solid fraction = 1 - (0.251 + 0.490) ≈ 0.259 or 25.9%

vi] The density of the particles can be determined using the mass of the pellet (3.15 g) and the total volume of the particles:

Total volume of the particles = Volume - Macropore volume = 3.22 \(cm^{3}\)- 0.645 \(cm^{3}\) = 2.575\(cm^{3}\)

Density of the particles = Mass / Total volume of the particles

Density of the particles = 3.15 g / 2.575\(cm^{3}\) ≈ 1.222 \(g/cm^{3}\)

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The default file format for excel workbook files is the XLSX format. What other file format can Excel save files as? OA. WKS OB. WQ1 O C.XLC D. PDF

Answers

The default file format for excel workbook files is the XLSX format.

D. PDF

What is the default XLSX format

In addition to the default XLSX format, Excel can save files in various other formats, including PDF (Portable Document Format). Saving a file as a PDF allows for easy sharing and viewing of the spreadsheet while preserving the formatting and layout across different devices and operating systems.

Options A (WKS) and B (WQ1) refer to file formats used in older versions of Excel and other spreadsheet programs, but they are not commonly used today.

Option C (XLC) is not a valid file format for Excel.

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Represent each of the following combinations of
units in the correct SI form using an appropriate prefix:
(a) , (b) , and (c) .

Answers

The correct SI Form of the following combinations of Units are given as follows:

A) kN/μs = GN/s

B) Mg/mN; = Gg/N

C) MN/(kg.ms)  = GN/(kg.s)

What is a SI Unit?

The International System of Units, abbreviated SI in all languages and often pleonastically as the SI system, is the current version of the metric system and the world's most extensively used measuring system.

The System of Units, often known as the metric system, is frequently shortened as SI, which originates from the original French word, Système international d'unités.

A) kN/μs  = (10) ³N/ (10) ⁻6s

= (10)⁹ N/s

= GN/s

B) Mg/mN = (10⁶)g/10⁻³/N

= Gg/N

C) MN/ (kg.ms) = 10⁶N/kg * (10⁻³)s

= 10⁹ (N/kg · s)

= GN/Kg · S)

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Full Question:

Represent Each Of The Following Combinations Of Units In The Correct Si Form Using An Appropriate Prefix:

A) kN/μs

B) Mg/mN; and

MN/(kg.ms)

Determine the carburizing time necessary to achieve a carbon concentration of 0.30 wt% at a position 4 mm into an iron–carbon alloy that initially contains 0.10 wt% C. The surface concentration is to be maintained at 0.90 wt% C, and the treatment is to be conducted at 1100°C. Use the diffusion data for γ-Fe.

Answers

Answer:

the carburizing time necessary to achieve a carbon concentration is 31.657 hours

Explanation:

Given the data in the question;

To determine the carburizing time necessary to achieve the given carbon concentration, we will be using the following equation:

(Cs - Cx) / (Cs - C0) = ERF( x / 2√Dt)

where Cs is Concentration of carbon at surface = 0.90

Cx is Concentration of carbon at distance x = 0.30 ; x in this case is 4 mm = ( 0.004 m )

C0 is Initial concentration of carbon = 0.10

ERF() = Error function at the given value

D = Diffusion of Carbon into steel

t = Time necessary to achieve given carbon concentration ,

so

(Cs - Cx) / (Cs - C0) = (0.9 - 0.3) / (0.9 - 0.1)

= 0.6 / 0.8

= 0.75

now, ERF(z) = 0.75; using ERF table, we can say;

Z ~ 0.81; which means ( x / 2√Dt) = 0.81

Now, Using the table of diffusion data

D = 5.35 × 10⁻¹¹ m²/sec at (1100°C) or 1373 K

now we calculate the carbonizing time by using the following equation;

z = (x/2√Dt)

t is carbonizing time

so we we substitute in our values

0.81 = ( 0.004 / 2 × √5.35 × 10⁻¹¹ × √t)

0.81 = 0.004 / 1.4628 × 10⁻⁵ × √t

0.81 × 1.4628 × 10⁻⁵ × √t = 0.004

1.184868 × 10⁻⁵ × √t = 0.004  

√t = 0.004 / 1.184868 × 10⁻⁵

√t = 337.5903

t = ( 337.5903)²  

t = 113967.21 seconds

we convert to hours

t = 113967.21 / 3600

t = 31.657 hours

Therefore, the carburizing time necessary to achieve a carbon concentration is 31.657 hours

42. A vehicle has sagged rear springs and reduced rear curb riding height. This problem results
in?
A. Excessive positive camber on the front wheels
B. Excessive toe-out on the front wheels
C. Excessive positive caster on the front wheels
D. Excessive toe-in on the front wheels
43. On a vehicle equipped with rear parallel leaf springs and a solid rear axle, customer is
complaining that the vehicle reacts erratically (it darts) during turns. What is the most likely
cause of this complaint?
A. Incorrect ride height
B. Incorrect driveline angle
C. Loose rear axle U-bolts
D. Missing jounce/rebound bumpers
44. A power steering pump is being tested with a pressure gauge for maximum output pressure.
Which of the following statements is correct?
A. The pressure gauge should be attached to the pump return port
B. The steering wheel should be held in the right lock position
C. A maximum output pressure dead heading test should last no longer than 5 seconds
D. One should check output pressure with engine speed above 4000rpm​

Answers

Answer:1. Driving under the influence of any drug that makes you drive unsafely is:

a. Permitted if it is prescribed by a doctor

b. Against the law

c. Permitted if it is a diet pill or cold medicine

2. Which fires can you put out with water:

a. Tire fires

b. Gasoline fires

c. Electrical fires

3. How far should a driver look ahead of the vehicle while driving:

a. 9-12 seconds

b. 12-15 seconds

c. 18-21 seconds

4. To prevent shifting, there should be at least one tie-down for ever ____feet of cargo: a. 10

b. 15 c. 18

5. Which of these statements about downshifting is true:

a. When you downshift for a curve, you should do so before you enter the curve

b. When you downshift for a hill, you should do so after you start down the hill

c. When you downshift for a curve, you should do so after you enter the curve

6. How do you test hydraulic brakes for a leak:

a. Move the vehicle slowly and see if it stops when the brake is applied

b. With the vehicle stopped, pump the pedal three time, apply pressure then hold

For five seconds and see it the pedal moves.

c. Step on the brake pedal and accelerator at the same time and see if the vehicle moves

7. For an average driver, driving 55 MPH on dry pavement, it will take about _____ to bring The vehicle to a stop:

a. Twice the length of the vehicle

b. Half the length of a football field

c. The length of a football field

8. You are driving a vehicle with a light load, traffic is moving at 35 MPH in a 55 MPH zone. The safest speed for your vehicle in this situation is most likely:

a. 30 MPH

b. 35 MPH

c. 40 MPH

9. Which of these is a good rule to follow when driving at night:

a. Keep your speed slow enough to stop within the range of your headlights

b. Look directly at oncoming headlights

c. Keep your instrument lights bright

 

10. A moving vehicle ahead of you has a red triangle with an orange center on the rear. What does this mean?

a. The vehicle is hauling hazardous materials

b. It may be a slow-moving vehicle

c. It may be oversized

11. You wish to turn right form a two lane two way street to make the turn. Which of these Drawings show how the turn should be made.

12. You are driving a heavy vehicle and must exit a highway using an offramp that curves downhill:

a. Use the posted speed limit for the offramp

b. Slow down to a safe speed before the turn

c. Wait until you are in the turn before downshifting

13. Which of these statements about using mirrors is true:

a. You should look at a mirror for several seconds at a time

b. There are “blind spots” that your mirror cannot show you

c. A lane change requires you to look at the mirrors twice

14. You must park on the side of a level, straight, two-lane road. Where should you place the three reflective triangles?

a. one within 10 feet of the rear of the vehicle, one about 100 feet to the rear and one about 200 feet to the rear.

b. One with 10 feet of the rear of the vehicle, one about 100 feet to the rear and one about 100 feet from the front of the vehicle

c. One about 50 feet from the rear of the vehicle, one about 100 feet to the rear and one about 100 feet from the front of the vehicle

15. Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?

a. Stopping is always the safest action in a traffic emergency

b. Heavy vehicles can almost always turn more quickly than they can stop

c. Leaving the road is always more risky than hitting another vehicle

16. The most important reason for being alert to hazards is:

a. Law enforcement personnel can be called

b. You will have time to plan your escape if the hazard becomes an emergency

c. You can help impaired drivers

17. You are traveling down a long, steep hill. Your brakes begin to fade and then fail. What should you do?

a. Downshift

b. Pump the brake pedal

c. Look for an escape ramp or escape route

18. The most common cause of serious vehicle skids is:

a. Driving too fast for road conditions

b. Poorly adjusted brakes

c. Bad tires

19. To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement?

a. If clear, come to a complete stop before steering back onto the pavement

b. Brake had to slow the vehicle, then steer sharply onto the pavement

c. Keep moving at the present speed and steer very gently back onto the pavement

20. If

a. Slide sideways and spin out

b. Go straight ahead but will turn if you turn the steering wheel

c. Go straight ahead even if the steering wheel is turned

The following is a series of questions pertaining to the NSPE Code of Ethics. Please indicate whether the statement are true or false. These questions are provided by the NSPE.

Engineers in public service as members, advisors or employees of a governmental or quasi-governmental body or department may participate in decisions with respect to services solicited or provided by them or their organizations in private or public engineering practice as long as such decisions do not involve technical engineering matters for which they do not posses professional competence

Answers

Geomorphic

Explanation:

Because it's pretty easy if you think of the right ways of geomorphic ways to process the equation

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