frequently asked questions in technical interviews for mechanical engineers?

1. A hollow shaft of same cross-section area as solid shaft transmitsAns :- Less torque 2. In a cantilever beam, maximum deflection occurs at where Ans:-Bending moment is zero 3.In a rectangular beam, when width, depth and length are doubled, the bending stress will be Ans- 1/4 th 4.Power available at the shaft of an I.C engine is known is Ans:- Brake horse power 5.In internal combustion engine piston the maximum temperature occurs at Ans:-Ring section 6.Cavitation in a pipe will begin when Ans:-Pressure at any location reaches pressure equal to the saturated vapour pressure of liquid 7.In one ton refrigeration machine, the term “one ton” implies Ans:-One ton ice when melts from and at 0oC in 24 hours, the refrigerating effects is equivalent to 3000 kcal/hour These are some of the questions which are frequently asked to mechanical engineers while technical interviews . Best of luck for your career . Hope you liked the Answer and it will help in your tech interview . Thank you .

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