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.Management Sciences
Category: Mechanical Engineering Mcqs
Accumulators should have adequate volume to store refrigerant charge at least_________________?
A. 10%
B. 25%
C. 50%
D. 75%
E. 100%
Which of the following incentive plansrensures a part of the swing to the worker and rest to the employer_______________?
A. Emerson efficiency plan
B. Taylor plan
C. Halsey premium plan
E. Gilberth plan
If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?
A. maximum
B. minimum
C. zero
D. infinity
E. same as the force applied
With increase in engine speed, the ignition of spark in petrol engine has to be __________________?
A. Unaltered
B. Increased
C. Decreased
D. Advanced
I.S. specifies following total number of grades of tolerances__________________?
A. 18
B. 16
C. 20
D. 22
E. 14
Coaxing is the procedure of increasing__________________?
A. metal strength by cycling
B. metal hardness by surface treatment
C. metal resistance to corrosion by coating
D. fatigue limit by overstressing the metal by successively increasing loadings
E. none of the above
An open vessel of water is accelerated up an inclined plane. The free water surface will__________________?
A. be horizontal
B. make an angle in direction of inclination of inclined plane
C. make an angle in opposite direction to inclination of inclined plane
D. any one of above is possible
E. none of the above
If a refractory contains high content of silicon, it means refractory is__________________?
A. acidic
B. basic
C. neutral
D. brittle
E. none of the above
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?
A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion
E. throttling
Guest’s theory of failure is applicable for following type of materials_________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough
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