The value of an equipment at the end of its useful life is known as
A.Useful value
B.Replacement value
C.Demand value
D.Obsolescence value
E.Scrap value
Category: Mechanical Engineering Mcqs
The yield point in fatique loading as compared to the yield point in static loading is
A.Half
B.One fourth
C.Same
D.Higher
E.There is no comparison between the two
The carrier material used with strain gages at room temperatuer is
A.impregnated paper
B.bakelite
C.epoxy
D.None of the above
Heating wet steam at constant temperature is same as heating at
A.Constant pressure
B.Constant volume
C.Constant enthalpy
D.Constant entropy
E.None of the above
In a four stroke engine, each cylinder has
A.One valve
B.Two valves
C.Three valves
D.Four valves
E.Number of valves depends upon the engine design
The most efficient shape of a series is that which
A.given a minimum heat loss
B.keeps the metal in molten state for longer period
C.both (A) and (B) above
A mouthpiece cannot be used under very large head because
A.The variation in discharge is large
B.The flow through mouthpiece is erratic
C.Vortex is created at the vena contracta
D.Cavitation occurs at the vena contracta
E.Of practical difficulties in contraction
The number of revolutions per km for a free rolling tyre are less than that calculated from its static radius. This difference in number of revolutions is due to
A.forces in the contact area that cause slight forward of the tread
B.hysteresis of the tyre materials which make the dynamic loaded radius somewhat larger than the static radius
C.either of (A) and (B) above
D.none of the above
A four wheel drive has
A.no differential
B.differential on rear side only
C.differential on front side only
D.both front as well as rer differentials
