Engine is a device, which converts:
A.Chemical energy into mechanical
B.Mechanical energy into chemical
C.Chemical energy into electrical energy
D.Mechanical energy into electrical
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The cross sectional area of one cylinder of an engine multiplied by its stroke is:
A.Clearance volume
B.Combustion volume
C.Swept volume
D.Piston volume
For engine bearings, a type of lubrication system adopted is:
A.Gravity feed lubrication
B.Wick lubrication
C.Ring lubrication
D.All are correct
Lubrication reduces:
A.Wear and teat
B.Abrasive elements
C.Noise
D.All are correct
The calorific value of diesel oil is:
A.9400 Kcal/litre
B.10,000 Kcal/litre
C.11,000 Kcal/litre
D.12,000 Kcal/litre
Lubrication oils are rated by:
A.Gravity
B.Visocsity
C.Density
D.All are correct
Junker’s calorimeter is used for determining the calorific value of:
A.Liquid fuels
B.Solid fuels
C.Gaseous fuels
D.None of these
The connecting rod of an engine connects the crankshaft with:
A.Cylinder head
B.Piston
C.Piston pin
D.Cylinder liner
The fluctuation of engine speed during a cycle depends upon:
A.Mass of flywheel
B.Mass of crankshaft
C.Speed of flywheel
D.Governor speed
Function of carburector is:
A.To mix the air and fuel
B.To regulate air fuel ratio at different speed
C.To supply correct amount of mixture
D.All are correct
