MECHANICAL ENGINEERING JOB INTERVIEW QUESTIONS:- 1.)What is stagnation point and stagnation pressure ? Ans:-A stagnation point is one at which velocity is zero. Stagnation pressure is the sum of static pressure and dynamic pressure. 2.)What is the difference between lower pair and higher pair ? Ans:-In a kinematic pair, if the elements have surface contact when in motion, the pair is called lower pair and if elements have line or point contact the pair is called higher pair. 3.). If angular speed of cam is increased two times, how much jerk will be increased ? Ans:-Eight times. 4.)Out of impulse and reaction type hydraulic turbines, which has higher specific speed ? Ans:-Reaction turbine.
Posted on: Thu, 28 Nov 2013 09:31:24 +0000
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