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.Management Sciences
Category: Mechanical Engineering Mcqs
When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?
A. compression
B. tension
C. shear
D. combined loads
E. all of the above
Propulsive efficiency is defined as ratio of___________________?
A. thrust power and fuel energy
B. engine output and propulsive power
C. propulsive power and fuel input
D. thrust power and propulsive power
E. none of the above
Effective moderators are those materials which contain____________________?
A. light weight atoms
B. heavy weight atoms
C. critical atoms
D. zero weight atoms
E. there is no such criterion
The maximum discharge through a chimney occurs when the height of chimney is_____________________?
A. infinitely long
B. around 200 meters
C. equal to the height of the hot gas column producing draught
D. outside temperature is very low
E. more than the tallest building nearby
A fuel will detonate less if it has___________________?
A. higher self ignition temperature
B. lower self ignition temperature
C. proper self ignition temperature
D. self ingition temperature has nothing to do with detonation
E. none of the above
TMU in method time measurement stands for__________________?
A. time motion unit
B. time measurement unit
C. time movement unit
D. technique measurement unit
E. time method unit
A completely constrained motion can be transmitted with __________________?
A. 1 link with pin joints
B. 2 links with pin joints
C. 3 links with pin joints
D. 4 links with pin joints
E. all of the above
In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of__________________?
A. vacuum
B. atmospheric air
C. compressed air
D. oxygen alone
E. liquid hydrogen
Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?
A. pco2/?2
B. pco2/?2/2
C. 2pa2R2
D. pa2R/2
E. none of the above
A foot step bearing and rotor of a vertical turbine form examples of___________________?
A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above
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