An automobile manufacturer that focuses on low-end buyers can follow an industry-wide differentiation strategy. The differentiation strategy is one of the competitive strategies that an organization can utilize to gain an edge over its competitors.
The differentiation strategy aims to offer a unique product to the customers that differentiate it from the competitors’ products. By offering a unique product, the company can charge a premium price for the product that reflects its added value.Automobile manufacturers that focus on low-end buyers can differentiate their products by offering some additional features or attributes that other car manufacturers do not provide. Some of the features that automobile manufacturers can offer to differentiate their products include high fuel efficiency, low maintenance costs, and safety features. They can also add technological features to the car, such as a touch screen display and a built-in GPS system. These features help to create a unique product that differentiates it from its competitors.Automobile manufacturers focusing on low-end buyers can also utilize cost leadership strategies. Cost leadership is a competitive strategy that focuses on providing products to the market at a low cost. This is achieved by improving operational efficiency and reducing production costs. By reducing production costs, the company can price its products lower than competitors, thereby capturing the low-end market segment.The automobile manufacturer that focuses on low-end buyers can also use a niche marketing strategy to differentiate itself.
Niche marketing strategy is a marketing strategy that focuses on a specific market segment. By focusing on a specific market segment, the company can tailor its product offerings to the unique needs of the customers in that segment. The company can also focus its marketing efforts on the specific market segment, thereby reaching out to its customers more effectively.In conclusion, the differentiation strategy is a viable strategy that an automobile manufacturer can use to differentiate its products from its competitors. The automobile manufacturer that focuses on low-end buyers can utilize this strategy by offering unique product features, utilizing cost leadership strategies, or using niche marketing strategies.
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An insulated, vertical piston–cylinder device initially contains 10 kg of water, 6 kg of which is in the vapor phase. The mass of the piston is such that it maintains a constant pressure of 200 kPa inside the cylinder. Now steam at 0.5 MPa and 350°C is allowed to enter the cylinder from a supply line until all the liquid in the cylinder has vaporized. Determine (a) the final temperature in the cylinder and (b) the mass of the steam that has entered.
Answer:
See explaination
Explanation:
Please kindly check attachment for the step by step solution of the given problem.
In an experiment to determine relative velocities of a feather, ball, and anvil, what is the object called?
relative variable
control variable
dependent variable
independent variable
The radiation meter is showing radiation 2x as much as background. Is this a hot zone? If so why or why not?
Answer:
This is not a clear indication of the hot zone as the information of the radioactivity of the background is not provided clearly.
Explanation:
According to IAEA as well as NRCP, the hot area is defined on the basis of the radioactivity reading it shows instead of contrast or comparative reading from the background. The value of radiation activity which will be required to declare an area as hot zone is if it is greater than 0.1 mSv/h or \(1.5091\times 10^{29} kg^{-1} s^{-1}\).
Determine the NPW, AW, FW and IRR of the following engineering project. • Initial Cost ($400,000) • The Study Period 15 years Salvage (Market) Value of the project 15% of the initial cost Operating Costs in the first year ($9,000) • Cost Increase 3% per year • Benefits in the first year $40,000 Benefit Increase 9% per year • MARR 8% per year Is the Project acceptable? WHY?
The CEO of PT ABC asked the project manager to use PW, AW, and FW to prioritize the project while also adding the expected reject rate between each alternative.
Thus, This implies that the anticipated revenue will vary depending on the choice. The three projects are prioritized by the project manager. The CEO will assess which option will be more profitable than the others.
The quantity of money that is accessible for investment, as well as where and how much it cost (for example, whether it came from equity funds or borrowed funds).
The quantity of worthwhile projects that are open to investment and their objective (i.e., whether they maintain current operations and serve a necessary purpose or whether they enlarge current operations and serve a discretionary purpose) and PW.
Thus, The CEO of PT ABC asked the project manager to use PW, AW, and FW to prioritize the project while also adding the expected reject rate between each alternative.
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will give brainliest what are 3 good projects to do with wood or cardboard or paper or an old drone when you are a beginner
if you do not have 3 good projects then please dont answer and just comment them but if you have more than 3 that would be great for you to answer.
Answer:the inflating Ballon expirement
Explanation:
To find the quotient of 8 divided by 1/3, multiply 8 by?
i need it asap but its should be 1 2 3 or 4 to answer
DONT GIVE ME LINKS ITS STUIPID JUST SAY A B C OR D
Answer: 8.33333333 or 6.1989778
Explanation:
The component has an exponentially distributed reliability with a mean of 2000 hours what is the probability that it will fail after 3000 hours?
Answer:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
what is the division of demand
For a 4-pole, 2-layer, d.c, lap-winding with 20 slots and one conductor per layer, the number of commutator bars is
The number of commutator bars for a 4-pole, 2-layer, DC lap winding with 20 slots and one conductor per layer exists 20
What is lap winding in dc machine?
Lap Winding is one kind of winding with two layers, and it is used in electric machines. Every coil in the engine is allied in series with the one nearby coil to it. The applications of lap winding mainly contain low voltage as well as high current devices.
What are the benefits of lap winding?
Advantages of Lap Winding
The advantages of lap windings contain: This winding is necessarily needed for large current applications because it has more parallel paths. It is suited for low voltage and high current generators.
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Determine (a) the peak frequency deviation, (b) minimum bandwidth,and (c) baud for a binary FSK signal with a mark frequency of 38 kHz, a space frequency of 40 kHz, and an input bit rate of 4 kbps
The peak frequency deviation, minimum bandwidth, and baud for a binary FSK signal for the given frequencies are respectively;
a) 0.5 kHz
b) 9 kHz
c) 4000
Peak frequency deviation1) The peak frequency deviation is gotten from the formula;
∆f = |f_m - f_s|/f_b
where;
f_m is mark frequencyf_s is space frequencyf_b is input bit rateThus;
∆f = |38 - 40|/4
∆f = 0.5 kHz
2) The minimum bandwidth is given by the formula;
B = 2(∆f + f_b)
B = 2(0.5 + 4)
B = 9 kHz
3) For FSK signal, N = 1, and the baud is gotten from the Equation;
baud = f_b/1
f_b = 4 kbps = 4000 bps
Thus; baud = 4000/1 = 4000
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solve for the unknown values in the circuit in figure 3-9, NEED ANSWERS ASAP
Answer:
25 V, 50V, 75V respectively.
I hope it will be useful.
Calculate the Least Material Condition (LMC) for a part with
a length of 35.00 ± 0.15 (unit in mm)
b. Calculate the Maximum Material Condition (MMC) of the hole diameter
with dimension 10.0 ± 0.10 (unit in mm)
The MMC of the hole diameter is 10.10 mm. The least material condition (LMC) is the smallest size limit of a part that is acceptable for use. LMC is the smallest allowable size limit that will still allow the part to function as intended. In this case, we will calculate the LMC for a part with a length of \(35.00 ± 0.15 mm.\)
To calculate the LMC, we must subtract the tolerance from the nominal value. The nominal value is the target value of the part dimension. In this case, the nominal value is 35.00 mm.
LMC = Nominal Value - Tolerance LMC = \(35.00 - 0.15LMC = 34.85 mm\)
Therefore, the LMC for the given part is 34.85 mm.
The Maximum Material Condition (MMC) is the largest size limit of a part that is acceptable for use. In other words, MMC is the largest allowable size limit that will still allow the part to function as intended. In this case, we will calculate the MMC of the hole diameter with dimension \(10.0 ± 0.10 mm\).
To calculate the MMC, we must add the tolerance to the nominal value. The nominal value is the target value of the part dimension. In this case, the nominal value is 10.0 mm.
MMC = Nominal Value + Tolerance MMC = \(10.0 + 0.10MMC = 10.10 mm.\)
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How do i untange my headphone cords? If you give me a good answer i will mark u brainliest
Answer:
scissors best way 100%
Explanation:
A two-stage air compressor operates at steady state, compressing 10 m3 /min of air from 100 kPa, 300 K, to 1200 kPa. An intercooler between the two stages cools the air to 300 K at a constant pressure of 350 kPa. The compression processes are isentropic. Calculate the power required to run the compressor, in kW, and compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
check photos (answer)
Comparing this to the actual power required for the two-stage compressor (242.6 kW), we can see that the actual power required is significantly higher.
What is work done?Work done is the amount of energy transferred to or from a system as a result of a force acting on it over a distance.
To solve this problem, we can use the following steps:
Step 1: Determine the state points of the air at various stages of the compression process.
Stage 1: Inlet state = State 1
P1 = 100 kPa, T1 = 300 K, V1 = 10 m³/min
Stage 2: After the first stage of compression = State 2
P2 = 1200 kPa, T2 = ? (isentropic compression)
Stage 3: After intercooling = State 3
P3 = 350 kPa, T3 = 300 K, V3 = V2
Stage 4: After the second stage of compression = State 4
P4 = 1200 kPa, T4 = ? (isentropic compression)
Step 2: Calculate the temperature and specific volume at states 2 and 4 using the isentropic compression process.
For an isentropic compression process, we have:
(P2/P1)^((γ-1)/γ) = T2/T1
(P4/P3)^((γ-1)/γ) = T4/T3
where γ is the ratio of specific heats for air, which is approximately 1.4.
Solving for T2 and T4, we get:
T2 = T1*(P2/P1)^((γ-1)/γ) = 300*(1200/100)^((1.4-1)/1.4) = 742.6 K
T4 = T3*(P4/P3)^((γ-1)/γ) = 300*(1200/350)^((1.4-1)/1.4) = 892.5 K
Next, we can use the ideal gas law to calculate the specific volume of air at states 2 and 4:
V2 = V1*(P1/P2)(T2/T1) = 10(100/1200)(742.6/300) = 0.1867 m³/kg
V4 = V3(P3/P4)(T4/T3) = 10(350/1200)*(892.5/300) = 0.2604 m³/kg
Step 3: Calculate the work done in each stage of the compressor.
For an isentropic compression process, the work done can be calculated using the following equation:
W = (mCp)(T2-T1) = (mCp)(T4-T3)
where m is the mass flow rate of air, which can be calculated using the specific volume and inlet volumetric flow rate:
m = V1/(v160) = 10/(0.831460) = 0.2016 kg/s
Cp is the specific heat at constant pressure for air, which is approximately 1.005 kJ/kg-K.
Thus, the work done in each stage of the compressor is:
W1 = (0.20161.005)(742.6-300) = 77.2 kW
W2 = (0.20161.005)(892.5-300) = 116.9 kW
The total work done by the compressor is:
W_total = W1 + W2 = 77.2 + 116.9 = 194.1 kW
Step 4: Calculate the power required to run the compressor.
The power required to run the compressor can be calculated using the following equation:
Power = W_total/η
where η is the compressor efficiency.
We are not given the efficiency, but for a two-stage compressor, a reasonable estimate for η is reasonable estimate for the efficiency of a two-stage compressor is around 75-85%. Therefore, we can assume η = 0.8.
Using this efficiency value, the power required to run the compressor is:
Power = W_total/η = 194.1/0.8 = 242.6 kW
Step 5: Compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
For isentropic compression from the same inlet state to the same final pressure, the work done can be calculated using the following equation:
W = (mCp)(T2-T1) = (mCp)(T4-T3) = (m*Cp)*ΔT
where ΔT = T2-T1 = T4-T3 = 442.5 K
Thus, the work done for isentropic compression is: W_iso = (0.2016*1.005)*442.5 = 89.1 kW
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the beam is subjected to the load at its end. take p = 4.3 kn and v = 2.3 kn . Determine the maximum principal stress at point B . (Find\sigma1)
The maximum principal Stress (σ₁) at point B. Note that the cross-sectional area (A) is required to calculate the normal and shear stress values. Once you have the area, you can apply the formulas mentioned above to find the maximum principal stress at point B.
We have two force components: P = 4.3 kN (axial load) and V = 2.3 kN (shear load).First, we need to calculate the normal stress (σ) and shear stress (τ) at point B. Normal stress can be calculated as:
σ = P / A
Where A is the cross-sectional area of the beam. Shear stress can be calculated as:
τ = V / A
Next, we will apply the Mohr's Circle method to determine the maximum principal stress (σ₁) at point B. Using the Mohr's Circle, the angle of rotation (θ) can be found as:
θ = 0.5 * arctan(2τ / (σ_x - σ_y))
In this case, σ_y = 0, as there is no vertical load on the beam. Now, we can calculate the maximum principal stress (σ₁) as:
σ₁ = (σ_x + σ_y) / 2 + sqrt[((σ_x - σ_y) / 2)² + τ²]
Plugging in the calculated values for σ, τ, and θ, we can determine the maximum principal stress (σ₁) at point B. Note that the cross-sectional area (A) is required to calculate the normal and shear stress values. Once you have the area, you can apply the formulas mentioned above to find the maximum principal stress at point B.
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Note the full question is
the beam is subjected to the load at its end. take p = 4.3 kn and v = 2.3 kn . Determine the maximum principal stress at point B . (Find\sigma1)
To determine the maximum principal stress at point B of the beam subjected to a load of P=4.3 kN and V=2.3 kN at its end, we need to use the formula for principal stresses:
σ1 = (σx + σy)/2 + √((σx-σy)/2)^2 + τxy^2
where σx and σy are the normal stresses in the x and y directions, and τxy is the shear stress.
At point B, we can assume that the normal stresses are negligible in the y direction, since the beam is only loaded at its end. Therefore, we only need to consider the normal stress in the x direction, which is given by:
σx = P/A + M*y/I
where A is the cross-sectional area of the beam, M is the bending moment at point B, y is the distance from the neutral axis to the point B, and I is the moment of inertia of the beam's cross-section.
The bending moment at point B can be calculated as:
M = V*(L-x)
where L is the length of the beam and x is the distance from the end of the beam to point B.
Substituting the values of P, V, L, x, A, y, and I into the equations above, we get:
σx = 34.4 MPa
τxy = 0
σy = 0
Plugging these values into the formula for principal stresses, we get:
σ1 = (σx + σy)/2 + √((σx-σy)/2)^2 + τxy^2
= (34.4 MPa + 0 MPa)/2 + √((34.4 MPa-0 MPa)/2)^2 + 0^2
= 24.3 MPa
Therefore, the maximum principal stress at point B of the beam is 24.3 MPa.
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"Transportation is the way of expanding business activies" justify this statement with long answer
Answer:
Transportation methods ensure deliveries to and from your facility flow smoothly and arrive at their designated destinations on time. Because of the importance of transportation to your business's success, it's vital to include this factor in your supply chain management strategy.
So,transportation is the way of expanding business activities.
QUESTION:
Which statement is true about portable fire extinguishers?
POSSIBLE ANSWERS:
OAir-pressurized water extinguishers put out electrical fires.
Dry chemical, sodium bicarbonate extinguishers put out most fires.
Dry chemical, mono ammonium phosphate extinguishers put out flammable liquid fires.
OCarbon dioxide extinguishers put out wood fires.
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Until emergency assistance arrives, portable fire extinguishers can put out or manage a fire.
When should Portable fire extinguishers be used?The use of portable fire extinguishers can put out or contain a fire until emergency assistance is received.
Utilize portable units exclusively for small flames or fires that are still in the early stages because their discharge times are often only a few seconds. Make a plan for a getaway. Avoid breathing in the extinguishing agent and smoke by keeping low to the ground.
Only use a portable fire extinguisher when a fire is small, restricted to a single area, and not made up of extremely flammable materials. If the fire becomes out of control, leave the premises right away and get assistance.
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Consider the Fourier series for the periodic function: x(t)=cos(6t)+sin(8t)+e
j2t
The Fourier coefficient C
3
of the exponential series is: Select one: 0.5 Q.5e 3×12 0 0.5e
1π/2
The Fourier coefficient C3 of the exponential series is 0.
In a Fourier series representation, the coefficients represent the contribution of each harmonic component to the periodic function. The Fourier coefficient C3 is obtained by multiplying the periodic function x(t) by e^(-j3ωt) and integrating over one period.
Given x(t) = cos(6t) + sin(8t) + e^(j2t), we can write e^(-j3ωt) as e^(-j3(2π/T)t), where T is the period of the function.
To find the Fourier coefficient C3, we need to calculate the integral of x(t) multiplied by e^(-j3(2π/T)t) over one period. However, since the given function x(t) does not contain the term e^(-j3(2π/T)t), the integral will evaluate to 0.
Therefore, the Fourier coefficient C3 of the exponential series is 0.
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The next time you perform an exam, what goals related to the interview process will you set for yourself?
Student Response: Making sure to remember what questions to ask and not forget the questions so that I can be able to complete the interview process in an efficient manner.
Making sure to remember what questions to ask and not forget the questions so that I can be able to complete the interview process in an efficient manner is the correct response for the question.
What is interview process?Hiring new employees involves a multi-stage interview process. Writing a job description, posting a job, scheduling interviews, conducting preliminary interviews, conducting in-person interviews, following up with candidates, and making a hire are all typical steps in the interview process.
Industry experts are divided on the best ways to improve the interview process. Improve means attracting and making better hires. Is it true that harder job interviews result in better job matches? Yes, as it turns out. Candidates who go through an extensive interview process frequently discover that the company places a high value on finding employees who are a good fit for both the position and the company culture.
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______________ is one of four characteristics of hazardous waste.
A) Elasticity
B) Toxicity
C) Sensitivity
D) Expandability
(This is for my Automotive class)
Answer:
My guess is toxicty from gas fumes. Hope this helps
Explanation:
One of the four characteristics of hazardous waste is Toxicity. That is option B.
What is hazardous waste?A hazardous waste is any material or substance that is capable of harming living organisms and making the environment dangerous for to live in.
The characteristics of a hazardous waste include:
Ignitability:something flammable.Corrosivity: something that can rust or decompose.Reactivity: something explosive.Toxicity: something poisonous.Therefore, one of the four characteristics of hazardous waste is Toxicity.
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which type of architecture deploys the vpn so that traffic to and from the vpn is not firewalled?
The type of architecture that deploys VPN so that traffic to and from the VPN is not firewalled is known as a split-tunnel VPN architecture.
In a split-tunnel VPN, only traffic destined for the organization's internal network goes through the VPN tunnel, while all other traffic goes directly to the internet. This means that traffic to and from external websites, applications, and services does not pass through the organization's firewall, reducing the load on the firewall and improving performance for users. Split-tunnel VPN architecture is typically used in large organizations with remote employees who need access to internal resources while still being able to access the internet for their personal needs. It is important to note that split-tunnel VPNs can increase security risks, as the internet traffic is not filtered by the organization's firewall, and remote users must ensure that their devices are secured with up-to-date antivirus and firewall software.
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An open tank has a bulge in its vertical slide that is semicurcular in shape. Determine the horiztonal and vertical components of the force that the water exerts on the bulge
The horizontal and vertical components of the force that the water exerts on the bulge are 642.936 lb and 141.145 lb
How to solve for the components of the forceThe radius of the bulge is given as 1.2 ft
Length of the bulge is 1 ft
The projected area of the bulge is 2RL
= 2 x 1.2 x 1
= 2.4 ft²
We have to find the horizontal components of the force
Hc = 3.1 + 1.2 = 4.3 ft
fH = 62.3 x 4.3 x 2.4
= 642.936 lb
Hence the horizontal components of the force is 642.936 lb
How to find the vertical component of force
Fv = 62.4 x (π x 1.2²/2) x 1
= 62.4 x 2.26285 x 1
= 141.145 lb
Hence the vertical component of the force is 141.145 lb
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Large wind turbines with blade span diameters of over 100 m are available for electric power generation. Consider a wind turbine with a blade span diameter of 100 m installed at a site subjected to steady winds at 8 m/s. Taking the overall efficiency of the wind turbine to be 32 percent and the air density to be 1.25 kg/m3 , determine the electric power generated by this wind turbine. Also, assuming steady winds of 8 m/s during a 24-hour period, determine the amount of electric energy and the revenue generated per day for a unit price of $0.09/kWh for electricity
Answer:
The wind turbine generates \(19297.222\) kilowatt-hours of electricity daily.
The wind turbine makes a daily revenue of 1736.75 US dollars.
Explanation:
First, we have to determine the stored energy of wind (\(E_{wind}\)), measured in Joules, by means of definition of Kinetic Energy:
\(E_{wind} = \frac{1}{2}\cdot \dot m_{wind}\cdot \Delta t \cdot v_{wind}^{2}\) (Eq. 1)
Where:
\(\dot m_{wind}\) - Mass flow of wind, measured in kilograms per second.
\(\Delta t\) - Time in which wind acts in a day, measured in seconds.
\(v_{wind}\) - Steady wind speed, measured in meters per second.
By assuming constant mass flow and volume flows and using definitions of mass and volume flows, we expand the expression above:
\(E_{wind} = \frac{1}{2}\cdot \rho_{air}\cdot \dot V_{air} \cdot \Delta t \cdot v_{wind}^{2}\) (Eq. 1b)
Where:
\(\rho_{air}\) - Density of air, measured in kilograms per cubic meter.
\(\dot V_{air}\) - Volume flow of air through wind turbine, measured in cubic meters per second.
\(E_{wind} = \frac{1}{2}\cdot \rho_{air}\cdot A_{c}\cdot \Delta t\cdot v_{wind}^{3}\) (Eq. 2)
Where \(A_{c}\) is the area of the wind flow crossing the turbine, measured in square meters. This area is determined by the following equation:
\(A_{c} = \frac{\pi}{4}\cdot D^{2}\) (Eq. 3)
Where \(D\) is the diameter of the wind turbine blade, measured in meters.
If we know that \(\rho_{air} = 1.25\,\frac{kg}{m^{3}}\), \(D = 100\,m\), \(\Delta t = 86400\,s\) and \(v_{wind} = 8\,\frac{m}{s}\), the stored energy of the wind in a day is:
\(A_{c} = \frac{\pi}{4}\cdot (100\,m)^{2}\)
\(A_{c} \approx 7853.982\,m^{2}\)
\(E_{wind} = \frac{1}{2}\cdot \left(1.25\,\frac{kg}{m^{3}} \right) \cdot (7853.982\,m^{2})\cdot (86400\,s)\cdot \left(8\,\frac{m}{s} \right)^{3}\)
\(E_{wind} = 2.171\times 10^{11}\,J\)
Now, we proceed to determine the quantity of energy from wind being used by the wind turbine in a day (\(E_{turbine}\)), measured in joules, with the help of the definition of efficiency:
\(E_{turbine} = \eta\cdot E_{wind}\) (Eq. 4)
Where \(\eta\) is the overall efficiency of the wind turbine, dimensionless.
If we get that \(E_{wind} = 2.171\times 10^{11}\,J\) and \(\eta = 0.32\), then the energy is:
\(E_{turbine} = 0.32\cdot (2.171\times 10^{11}\,J)\)
\(E_{turbine} = 6.947\times 10^{10}\,J\)
The wind turbine generates \(6.947\times 10^{10}\) joules of electricity daily.
A kilowatt-hours equals 3.6 million joules. We calculate the equivalent amount of energy generated by wind turbine in kilowatt-hours:
\(E_{turbine} = 6.947\times 10^{10}\,J\times\frac{1\,kWh}{3.6\times 10^{6}\,J}\)
\(E_{turbine} = 19297.222\,kWh\)
The wind turbine generates \(19297.222\) kilowatt-hours of electricity daily.
Lastly, the revenue generated per day can be found by employing the following:
\(C_{rev} = c\cdot E_{turbine}\) (Eq. 5)
Where:
\(c\) - Unit price, measured in US dollars per kilowatt-hour.
\(C_{rev}\) - Revenue generated by the wind turbine in a day, measured in US dollars.
If we know that \(c = 0.09\,\frac{USD}{kWh}\) and \(E_{turbine} = 19297.222\,kWh\), then the revenue is:
\(C_{rev} = \left(0.09\,\frac{USD}{kWh} \right)\cdot (19297.222\,kWh)\)
\(C_{rev} = 1736.75\,USD\)
The wind turbine makes a daily revenue of 1736.75 US dollars.
An earth station at latitude 30°S is in communication with an earth station on the same longitude at 30°N, through a geostationary satellite. The satellite longitude is 20° east of the earth stations. Calculate the antenna-look angles for each earth station and the round-trip time, assuming this consists of propagation delay only..
how many dfma principals are used in concurrent engineering
Answer:
aqswdefrtghyujkijuhygtfrdesw
Explanation:
What are the 3 elements that must be present for fire exist?
The three elements necessary for fire to exist are heat, fuel, and oxygen.
The three elements that must be present for fire to exist are:
Heat: Fire requires an initial heat source to start the combustion process. This heat can be provided by a flame, a spark, friction, or any other source capable of raising the temperature of the fuel to its ignition point.
Fuel: Fire needs a fuel source to sustain the combustion.
Fuel can be any combustible material such as wood, paper, gas, oil, or even certain metals.
The fuel provides the necessary chemical components that can undergo combustion and release energy in the form of heat and light.
Oxygen: Fire requires an adequate supply of oxygen to support the combustion process.
Oxygen in the air reacts with the fuel, enabling it to burn.
The presence of oxygen allows for the chemical reaction known as oxidation, which releases heat and produces flames.
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Identify the first step in preparing a spectrophotometer for use.
A. Make sure all samples and the blank are ready for measurement.
B. Prepare a calibration curve.
C. Measure the absorbance of the blank.
D. Turn on the light source and the spectrophotometer.
Answer:
D. Turn on the light source and the spectrophotometer.
Explanation:
A spectrophotometer is a machine used to measure the presence of any light-absorbing particle in a solution as well as its concentration. To prepare a spectrophotometer for use, the first step is to turn on the spectrophotometer and allow it to warm up for at least 15 minutes. After this is done, the next step will be to ensure that the samples and blank are ready. Next, an appropriate wavelength is set for the solute being determined. Finally, the absorbance is measured of both the blank and samples.
Tech A says that a gear set that has a drive gear with 9 teeth and a driven gear with 27 teeth has a gear ratio of 3:1. Tech B says that the drive gear is also called the output gear. Who is correct?
Answer:
Tech A is correct.
Explanation:
Gears are toothed wheels that can be used to transmit power. When two or more gears are in tandem, a gear train is formed.
Gear ratio = \(\frac{number of teeth of the driven gear}{Number of teeth of the driving gear}\)
= \(\frac{27}{9}\)
= \(\frac{3}{1}\)
Gear ratio = 3:1
The driver gear is called the input gear since it transfers its power to the driven gear. While the driven gear is called the output gear because it produces an effect due to both gears.
Tech A is correct.
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Question 3 (10 marks) A centrifugal pump is required to produce a flow of water at a rate of 0.0160 m3/s against a total head of 30.5m. The operating characteristics of a pump at a speed of 1430 rev/min and a rotor diameter of 125mm is as follows. Efficiency o 48 66 66 45 Qa (m3/s) 0 0.0148 0.0295 0.0441 0.059 Ha (m) 68.6 72 68.6 53.4 22.8 Determine the correct size of a pump and its speed to produce the required head and flow. A pump draws water from a tank and delivers it to another with the surface 8m above that of the lower tank. The delivery pipe is 30m long, 100mm bore diameter and has a friction coefficient of 0,0
The correct size of a pump and its speed to produce the required head and flow are respectively; 101 mm and 1216 rev/min
How to find the size of a pump and its' speed?The plotted data which we will use is attached and it shows the data for the pump determined that the optimal head and flow are 65 m and
0.036m³/s.
Let us first calculate the specific speed at point A;
N_s = (N_a * Q_a^(1/2))/(H_a)^(3/4)
N_s = (1430 * 0.036^(1/2))/(65^(3/4))
N_s = 11.85
The Speed for a geometrically similar pump at the required conditions is given by the formula;
N_b = N_s * [(H_b)^(3/4)]/[Q_a^(1/2)]
N_b = 11.85 * [(30.5)^(3/4)]/(0.016^(1/2)
N_b = 1216 rev/min
The diameter of this pump is calculated with the formula;
D_b = D_a[Q_b * N_a]/[Q_a * N_b)]
D_b = 125 * [(0.016 * 1430)/(0.036 * 1216)]^(1/3)
D_b = 101 mm
Read more about pump size and speed at; https://brainly.com/question/14688927
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