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.Management Sciences
Category: Mechanical Engineering Mcqs
If there are L number of links in a mechanism then number of possible inversions is equal to_______________?
A. L + 1
B. L – 1
C. L
D. L + 2
E. L – 2
A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
A. same
B. more
C. less
D. there is no such criterion
E. none of the above
Poisson’s ratio is defined as the ratio of_________________?
A. longitudinal stress and longitudinal strain
B. longitudinal stress and lateral stress
C. lateral stress and longitudinal stress
D. lateral stress and lateral strain
E. none of the above
The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?
A. surface tension
B. co-efficient of viscosity
C. viscosity
D. osmosis
E. cohesion
Bar charts are suitable for_____________________?
A. minor works
B. major works
C. large projects
D. all of the above
E. none of the above
According to fan laws, for the fans having constant wheel diameters, the power demand varies_______________?
A. directly as fan speed
B. square of fan speed
C. cube of fan speed
D. square root of fan speed
E. none of the above
Most of the domestic refrigerators work on the following refrigeration system _________________?
A. vapour compression
B. vapour absorption
C. carnot cycle
D. electrolux refrigerator
E. dual cycle
Two non-collinear parallel equal forces acting in opposite direction__________________?
A. balance each other
B. constitute a moment
C. constitute a couple
D. constitute a moment of couple
E. constitute a resultant couple
Specific weight of sea water is more that of pure water because it contains_________________?
A. dissolved air
B. dissolved salt
C. suspended matter
D. all of the above
E. heavy water
Shaft revolving in a bearing is the following type of pair________________?
A. lower pair
B. higher pair
C. spherical pair,
D. cylindrical pair
E. bearing pair
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