The maximum temperature in an I.C. engine is of the order of
A.500-1000?C
B.1000-1500?C
C.1500-2000?C
D.2000-2500?C
E.2500-3000?C
Category: Automobile Engineering Mcqs
For faultless operation of hydraulic braking system
A.Brake fluid should be pure
B.Boiling point of brake fluid should be high
C.Viscosity of brake fluid should be high
D.There should be minimum amount of trapped air
E.All of the above
Engine pistons are generally made of aluminium alloy because
A.It is lighter
B.It is stronger
C.It has less wear
D.It absorbs shocks
E.It does not react with fuel as well as lubricating oil
Air injection in case of S.I. engine refers to injection of
A.Air only
B.Air and fuel mixture
C.Liquid fuel only
D.Super charging
E.Doesn’t exist
If a lead acid battery is fully charged at specific gravity of 1.28 and fully discharged at specific gravity of 1.11 then at specific gravity of 1.19, the battery will be
A.nearly fully charged
B.more than 50% charged
C.50% charged
D.less than 50% charged
In a Diesel engine the function of a fuel injector is
A.To mix fuel and air
B.To ignite air-fuel mixture
C.To provide flame front for ignition
D.To spray atomized fuel in the cylinder
E.To provide adequate air fuel mixture for combustion
Oil pan is attached
A.To the bottom of the cylinder block
B.In a separate unit away from the crankcase
C.At the top of the cylinder block
D.At the outside wall of the crank case
E.Adjacent to oil filters
Noisy brakes indicate
A.Grit on lining
B.Drums scored
C.Loose lining screws
D.Distored brake spiders
E.Any of the above
In a Diesel engine, during combustion the pressure may increase at a range of
A.10-15 atm
B.15-20 atm
C.20-30 atm
D.55-75 atm
E.Depends on engine size and speed
Water in lubricating oil aids in
A.Decomposition
B.Oxidation
C.Formation of solution
D.Dilution
E.Burning
