Master Engineering with Fun Quizzes & Brain Teasers!

yoyoyoyoyoyoyoyoyoyoyoyo
2 Answers
If a digital multimeter displays 000 when reading amperage, what should the technician do to get a more accurate reading
2 Answers
The Mamestra brassicae a moth is primarily known as a pest that is responsible for severe crop damage on a wide variety of plant species. Because there are limited means of chemically controlling the species, the use of wasp species that parasitize the eggs is used to control the reproduction and hence presence of these moths in agricultural crops. At a farm where a wasp species was introduced the eggs of the moths where collected and examined to determine if the wasps had successfully parasitized the eggs of the moths. Of 100 eggs collected 64 were determined to have been taken over by the wasps. Determine the 95% confidence interval for the true proportion moth eggs parasitized by the wasps.
1 Answer
What are some paradigms from history that have been proven inaccurate or incomplete
1 Answer
40 POINTS IF ANSERED WITHIN 10 MINSwhat are two benefits of scientists using a diagram to model the water cycle A It can Show changes that Occur in many Diffrent parts of Earth at The Same Time . B It can Be Used to Show How the parts of the cycle relate to One Another. C Only a Few Factors In The Water Cycle can be shown on the Diagram .D It can be used to show as much detail as is Present in The actual Water Cycle.
2 Answers
use the emu8086 to write a program for pushing AX seven times at the stack, check the stack pointer. and [hint : initialize with 8086H] .
1 Answer
While servicing a vehicle, you retrieve the diagnostic code P0401, "EGR (exhaust gas recirculatior flow insufficient." Which of these is the most likely cause?
1 Answer
What are the advantages of triggering circuitfor thyrestors?
1 Answer
. Ecosystems, political systems, and financial systems all have what in common with the systems engineers study?They are technological in nature.They are investigated using systems thinking.They contain subsystems in different ways.They demand complex energy inputs.
2 Answers
Plz give me Abc orD for questions 4 and or 5
1 Answer
An advertising agency writes marketing material for a new motor (Brand W) that has a power rating of 7,640 W. Which statement comparing the motors can they truthfully use? Brand W motor can finish any job faster than Brand Y motor can. Theres not a more powerful motor available. Brand W motor does more work each second than Brand X or Brand Z. Every second, Brand W motor does 7,640 N of your toughest work.
2 Answers
Select the best answer for the question. 4. What's the average value of an AC voltage that has a maximum peak voltage of 80 VAC? O A. 50.96 VAC O B. 160 VAC O C. 56.56 VAC O D. 38.31 VAC O Mark for review (Will be highlighted on the review page) > M
1 Answer
Which of the following is most like a LEED Green Associate? The museum guide knows some interesting facts about famous artwork in every area of the museum but nothing more than that. The museum guide knows some interesting facts about famous artwork in every area of the museum but nothing more than that. The curator of the Magritte exhibit has a comprehensive knowledge of surrealist artists and their techniques. The curator of the Magritte exhibit has a comprehensive knowledge of surrealist artists and their techniques. The activities director of the museum is good at finding activities patrons can enjoy that help them understand the techniques of the artist on display. The activities director of the museum is good at finding activities patrons can enjoy that help them understand the techniques of the artist on display. The director of the museum has a strong general knowledge of the major periods and styles of art represented in the museum
1 Answer
In a countersinking operation, once the tool reaches the proper depth, what should the operator do to ensure hole concentricity and a good surface finish?1. Back the tool in and out of the bottom of the hole several times.2. Increase the spindle speed one and a half times the normal rate.3. Turn off the spindle to let the hole walls cool before continuing.4. Let the tool run a few seconds before backing out of the hole.
1 Answer
An Engineer is responsible for the disposal of ""Hazardous Chemical Waste"" and due to the high costs involved is asked by the CEO to arrange to have the materials dumped in the river that runs past the outer perimeter of the factory. a) Should he comply? Explain(3 marks)b) Explain the unethical issues involved(3 marks)c) Explain the consequences of disposing the chemicals in the river. (4 marks)
1 Answer
Two technicians are discussing cylinder honing technician a says a good cross hatch helps to trap the oil and retain it in the cylinder bore where it is needed
1 Answer
During a tensile test of a steel specimen, the strain at a stress of 35 mpa was calculated to be 0. 000 170 (point a). the strain at a stress of 134 mpa was calculated to be 0. 000 630 (point b). determine the modulus of elasticity for this material using the slope between these two points. calculate the expected stress that would correspond to a strain of 0. 000 250. the proportional limit is 200 mpa
1 Answer
We have a sinusoidal current i(t) that has an rms value of 20a, a period of 1ms, and reaches a positive peak at t=0.3ms.write an expression for the current with time measured in seconds in the form i(t)=imcos(t+).
1 Answer
What were some general difficulties that made it hard for robots to grab things precisely?
1 Answer
Type the correct answer in the box. spell all words correctly.what kind of job does malcolm have?malcolms job is to ensure that the companys machines and other equipment are in a safe and operational condition. malcolm works as a [blank] engineer with a company that manufactures automotive spare parts.
1 Answer
Parts arrive at a two-machine system according to an exponential interarrival distribution with mean 20 minutes; the first arrival is at time 0. Upon arrival, the parts are sent to Machine 1 and processed. The processing-time distribution is TRIA(4. 5, 9. 3, 11) minutes. The parts are then processed at Machine 2 with a processing-time distribution as TRIA(16. 4, 19. 1, 28) minutes. The parts from Machine 2 are directed back to Machine 1 to be processed a second time (same processing-time distribution as the first visit but an independent draw from it). The completed parts then exit the system. Run the simulation for a single replication of 20,000 minutes to observe the average number in the machine queues and the average part cycle time
1 Answer
Compound a undergoes a reversible isomerization reaction a b, over a supported metal catalyst. under pertinent conditions, a and b are liquid, miscible, and nearly identical density; the equilibrium constant for the reaction (in concentrations units) is 5.8. in a fixed bed isothermal flow reactor in which backmixing is negligible (i.e. plug flow), a feed of pure a undergoes a net conversion of b of 55%. the reaction is elementary. if a second identical flow reactor at the same temperature is placed downstream from the first, what overall conversion of a would you expect if: a. the reactor are directly connected in series?b. the products from the first reactor are separated by appropriate processing and only the unconverted a is fed to the second reactor?
1 Answer
You spot in workplace that appears to be spreading rapidly. What is the first step you should take?A. Find the nearest fire extinguisher and use the P. A. S. S method. B. Leave the area immediately, closing the fire door behind you. C. Attempts to fight the fire and leave all the doors open if you must leave. D. Enlist the help of as how many coworkers as possible to fight the fire
1 Answer
The first step when using object-oriented design is to.
1 Answer