In force feed lubrication system, the gear used is:
A.Helical gear
B.Spur gear
C.Both (a) & (b)
D.None of these
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The material used for construction of cylinder block is:
A.Cast iron and steel
B.Cast iron and aluminum alloy
C.Brass and steel
D.Steel and aluminum allow
The speed range of medium speed engine is:
A.Less than 350 rpm
B.Between 350 rpm and 1000 rpm
C.Less than 1000 rpm
D.More than 1000 rpm
The single cylinder engine is generally used in:
A.Tractor
B.Stationary engine
C.Motor cars
D.Power tiller engine
The fuel injected through a nozzle of carburetor is at a pressure of:
A.10 to 45 kg/cm2
B.50 to 120 kg/cm2
C.126 to 175 kg/cm2
D.100 to 300 kg/cm2
Commecting rod converts:
A.Reciprocating motion piston into rotary motion crankshaft
B.Rotary motion of piston into reciprocating motion of crankshaft
C.Rotary motion of piston into oscillatory motion of crankshaft
D.Oscillatory motion of piston into rotary motion of crankshaft
The compression pressure of diesel engine varies from:
A.8-10 kg/sq. cm
B.10-40 kg/sq. cm
C.35-50 kg/sq. cm
D.45-50 kg/sq. cm
Viscosity of lubrication oil is measured by:
A.Hygrometer
B.Thermometer
C.Viscometer
D.All are correct
The camshaft in an engine is always mounted:
A.Perpendicular to the crankshaft
B.Inclined to the crankshaft
C.Parallel to the crankshaft
D.Inline to crank shaft
A power stroke in single syliner 4-stroke engine occurs at:
A.720? of crankshaft rotation
B.360? of crankshaft rotation
C.180? of crankshaft rotation
D.120? of crankshaft rotation
