The detonation of fuel takes place during:
A.Combustion
B.Injection
C.Exhaust
D.None of these
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What the stroke: bore rati of an engine increases, the volumetric efficiency of the engine:
A.Decreases
B.Increases
C.Remains unchanged
D.None of these
The boiling range of kerosene is:
A.100 to 200?C
B.200 to 300?C
C.300 to 400?C
D.400 to 500?C
The thermal efficiency of CI engine is:
A.Higher than SI engine
B.Lower than SI engine
C.Equal to SI engine
D.None of these
The first IC engine was invented in the year:
A.1876
B.1890
C.1900
D.1905
The square engine has:
A.Cylinder of square section
B.Combustion chamber of square section
C.Equal bore and stroke
D.Piston of square section
The boiling range of petrol is:
A.30 to 180?C
B.30 to 200?C
C.30 to 230?C
D.30 to 250?C
Lubrication system of tractor engine develops pressure of about:
A.3 kg/cm2
B.5 kg/cm2
C.8 kg/cm2
D.12 kg/cm2
Effect of detonation is:
A.Loss of power
B.Poor combustion
C.Overheating
D.All are correct
Valve timing diagram is a function of:
A.Engine speed
B.Engine compression
C.Engine torque
D.I.M.E.P
