The compression pressure of diesel engine inside the cylinder varies from:
A.30-40 kg/cm2
B.35-45 kg/cm2
C.40-50 kg/cm2
D.50-60 kg/cm2
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The work of crankshaft is to:
A.Power the piston
B.Turn the flywheel
C.Operate valves
D.All are correct
Primary fuel filter is used to remove particles of size:
A.5 Micron
B.8 Micron
C.10 Micron
D.4 Micron
General formula of Nphthenes is:
A.CnH2n
B.Cn H3n
C.Cn H2n+1
D.Cn H2n-1
The specific heat of petrol is nearly:
A.2.1 KJ/Kg?C
B.2.5 KJ/Kg?C
C.2.8 KJ/Kg?C
D.3.0 KJ/Kg?C
Molecular formula of diesel is:
A.C11H15
B.C11 H16
C.C12 H15
D.C11H14
Oil filters are made of:
A.Cloth
B.Paper
C.Felt or wire screen
D.All are correct
The expected life of stationary engine is:
A.10,000 hrs
B.12,000 hrs
C.15,000 hrs
D.20,000 hrs
Gudgeon pin of engine piston is made of:
A.Case hardened steel
B.Cast iron
C.Aluminium alloy
D.All are correct
A gear used in timing gear is:
A.Spur ger
B.Bevel gear
C.Helical gear
D.Warm gear
