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.Management Sciences
Category: Mechanical Engineering Mcqs
When a ship travels in a sea, which of the effect is more dangerous___________________?
A. steering
B. pitching
C. rolling
D. all of the above
E. none of the above
Angle of descent of cam is defined as the angle__________________?
A. during which the follower returns to its initial position
B. of rotation of the cam for a definite displacement of the follower
C. through which the cam rotates during the period in which the follower remains in the highest position
D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
E. moved by the cam from beginning of ascent to the termination of descent
A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?
A. molecular change
B. physical change
C. allotropic change
D. solidus change
E. atomic change
Heat and work are ____________________?
A. point functions
B. system properties
C. path functions
D. intensive properties
E. extensive properties
In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?
A. size of rivet
B. size of the drilled or reamed hole
C. average of size of rivet and hole
D. smaller of the two
E. any one of the above
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle___________________?
A. more
B. less
C. equal
D. depends on other factors
E. none of the above
Neutral solution is one which has pH value__________________?
A. greater than 7
B. less than 7
C. equal to 7
D. pH value has nothing to do with neutral solution
E. none of the above
Points of arrest for iron correspond to__________________?
A. stages at which allotropic forms change
B. stages at which further heating does not increase temperature for some time
C. stages at which properties do not change with increase in temperature
D. there is nothing like points of arrest
E. none of the above
Kinematic viscosity is equal to_________________?
A. dynamic viscosity/density
B. dynamicviscosity x density
C. density/dynamic viscosity
D. 1/dynamicviscosity x density
E. same as dynamic viscosity
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