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.Management Sciences
Category: Mechanical Engineering Mcqs
The frequency of oscillation at compared to earth will be___________________?
A. 6 times more
B. 6 times less
C. 2.44 times more
D. 2.44 times,less
E. 36 times less
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?
A. diameter of bolt
B. 0.75 x diameter of bolt
C. 1.25 x diameter of bolt
D. 1.5 x diameter of bolt
E. 0.5 x diameter of bolt
For the allotropic forms of iron, the points of arrest are __________________?
A. the points where no further change oc-curs
B. constant for all metals
C. the points where there is no further flow of metal
D. the points of discontinuity
E. the points where major changes take place
In order to have constant clain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be________________?
A. greater than 1.0
B. less than 1.0
C. equal to zero
D. equal to 1.0
E. equal to infinity
The critical activity has____________________?
A. maximum float
B. minimum float
C. zero float,
D. average float
E. none of these
Volumetric efficiency of a compressor with clearance volume ________________?
A. increases with increase in compression ratio
B. decreases with increase in compression ratio
C. in not dependent upon compression ratio
D. may increase/decrease depending on compressor capacity
E. unpredictable
Plutonium-239 is produced__________________?
A. as basic raw material
B. by neutron irradiation of IT*
C. by neutron irradiation of thorium
D. artificially
E. in high capacity furnaces
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is________________?
A. 29.27 J/kmol°K
B. 83.14J/kmol°K
C. 848J/kmol°K
D. All J/kmol °K
E. 735 J/kmol °K
The transistor is made of___________________?
A. silver
B. gold
C. copper
D. germanium
E. german silver
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to_________________?
A. 1000
B. 2100
C. 2700
D. 10,000
E. 21,000
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