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About the Mechanical Engineering category
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1
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243
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July 27, 2020
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If you have a cantilevered beam with one end fixed to a wall and the other end free, and there is a moment acting on the free end, where will the beam fail?
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1
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229
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May 25, 2021
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When should you counterbore a hole vs counter sink a hole?
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1
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142
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May 23, 2021
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You are machining two plates with identical hole patterns that will bolted together. How do you ensure that they perfectly line up?
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1
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117
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May 21, 2021
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How would you use calibrated dowels in the design/machining/inspection process?
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1
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63
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May 21, 2021
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A refrigerator is in a room and you open the door. Will the room get colder or hotter?
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1
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91
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May 21, 2021
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When selecting a material what would you take into consideration more, tensile strength or yield strength?
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2
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384
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May 6, 2021
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Garden hose has stopped flow. There is constant static pressure and no water hammer. Why does hose have tear in axial direction at the end of the hose?
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2
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244
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May 6, 2021
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Your friend is coming over soon and you made them coffee. You want this coffee to be as hot as possible by the time they get to you. You can use creamer to affect the coffee, what should you do to make the coffee as hot as possible when they arrive?
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2
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300
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May 6, 2021
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Why does plastic become brittle in cold temperature?
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2
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555
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April 20, 2021
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You have a stool with four legs identical in size. Two legs are made from aluminum, while the other legs are made from steel. If a load is placed on the stool's seat, will the legs take equal load or not?
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8
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1804
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April 17, 2021
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How do you calculate the correct sample size for reliability testing?
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4
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284
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April 15, 2021
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On which side of a wall-mounted cantilever beam induced with a point load will it fail?
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6
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935
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April 5, 2021
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Given a point-load at the end of a wall-mounted cantilever beam, what is the shear stress at the wall?
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5
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528
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April 5, 2021
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If two vehicles are identical, except for one weighing twice as much as the other vehicle, and they roll down a hill, which car reaches the bottom first?
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7
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1637
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February 10, 2021
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What's the optimal size rock to throw if you want to throw it as far as possible?
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2
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472
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February 10, 2021
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You have 5kg of Aluminum and 5kg of Steel. You can make whatever cross section beam you want with these materials. If you have to make a cantilever beam 1m long with a load at the end and you want to minimize the deflection. What material would you use?
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2
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648
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January 29, 2021
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Given an adjustable crescent wrench, which cross-sections would you use for different parts of the wrench?
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2
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345
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January 28, 2021
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Why does condensation form on the outside of cold glass on a hot day?
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4
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630
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January 14, 2021
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When you use the front brakes on your bicycle, why does your body want to rotate over the front wheel?
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2
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418
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January 13, 2021
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Describe/draw the stress-strain curve of aluminum vs. steel on the same graph
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4
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779
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January 4, 2021
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What type of tests would you conduct on a solid state drive?
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1
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170
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January 4, 2021
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If there is a diving board, how would you half the deflection?
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1
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213
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January 4, 2021
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If you had designed this rear cover, what are 5 tests that you would conduct on the completed iPod Touch assembly to ensure that your rear cover design met all applicable requirements? Why?
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1
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207
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January 4, 2021
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Given a wall-mounted cantilever beam, describe the shear force diagram and bending moment diagram
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4
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785
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January 4, 2021
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Rank the strength of the following materials from strongest to weakest: carbon fiber, plastic, steel, aluminum
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7
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1210
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January 4, 2021
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If you have an I 'i' cross section cantilever beam and you want to make it stiffer. Do you increase the height or width
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2
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442
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December 6, 2020
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When is a screw better than a nail and the reverse question?
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2
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413
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November 13, 2020
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If you had to pressurize a pressure vessel in testing, would you rather pressurize with liquid or gas and why?
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1
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276
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November 11, 2020
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If you're on a spaceship and want to throw out garbage outside such that it will propel you outwards, which direction do you throw the garbage?
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1
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186
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November 11, 2020
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