The lubricants are obtained from:
A.Animal fat
B.Vegetables
C.Minerals
D.All are correct
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Splash system of lubrication is generally used in:
A.Single cylinder & stationary engine
B.Multi-cylinder engines
C.Tractor engines
D.All are correct
Crankcase breather is used for:
A.Cleaning the dust particles
B.See the level of oil
C.Removing water vapour from crankcase
D.All are correct
The indicated horsepower of an engine was measured by:
A.Dynamometer
B.Tachometer
C.Indicator
D.None of these
White smoke indicates:
A.Presence of water in fuel
B.Burning of lubricant in cylinder
C.Presence of waer in lubricant
D.Rich air and fuel mixter
The firing interval of 2-stroke engine is determined by:
A.180?/No. of cylinder
B.270?/No. of cylinder
C.360?/No. of cylinder
D.720?/No. of cylinder
Wick lubrication is also called:
A.Siphon lubricator
B.Hydrostatic lubricator
C.Mechanical lubricator
D.None of these
A good lubricant should have:
A.Sufficient viscosity
B.Remains stable under changing temperature
C.It whould not corrode metallic surface
D.All are correct
Force-feed lubrication system is commonly used in:
A.High speed multi-cylinder engine
B.Tractor engines
C.Truck and automobile engine
D.All are correct
Working temperature of petrol engine ranges from:
A.71-82?C
B.82-88?C
C.75-80?C
D.None of these
