In which case value engineering may not be relevant?
A.Shopping plaza
B.Gas turbine blade ring
C.Electric fan
D.Automobile
Category: Mechanical Engineering Mcqs
In a centrifugal pump the pressure energy of water is increased because of
A.Rotation of impeller
B.Centrifugal force
C.Momentum of particles
D.Lift of particles
E.None of the above
The valve is opened as the cam lobe on the cam raises the
A.Valve lifter
B.Bearing
C.Piston pin
D.Valve guide
E.Valve seat
The size of the engine intake valve is
A.Same as that of exhaust valve
B.Smaller than that of exhaust valve
C.Large than that of exhaust valve
D.Does not depends upon the size of the exhaust valve
E.Depends upon the temperature of ambient air.
The purpose of surge tank in a pipe line is to
A.Smoothen the flow of water
B.Minimise friction losses in pipe
C.Prevent occurrence of hydraulic jump
D.To relieve the pressure due to water hammer
E.To maintain the flow of water under emergency conditions
Approximately how many kg of air are required for the combustion of one kg of diesel oil?
A.1 kg
B.5 kg
C.15 kg
D.25 kg
E.35 kg
The percentage reduction of area during tensile test on a cast iron specimen may be
A.Negligible
B.5%
C.10%
D.25%
E.50%
The vacuum inside a incandescent lamp is of the order of
A.10-2 mm Hg
B.10-3 mm Hg
C.10-4 mm Hg
D.10-5 mm Hg
E.10-6 mm Hg
The fuel used in pit furnace is generally
A.Wood
B.Charcoal
C.Oil
D.Coal
E.Coke
For lubrication of which part of an automobile only grease is used
A.Transmission
B.Steering system
C.Axle drive
D.Tie rod
E.All of the above
