The brake pipes in hydraulic brake systems are made of
A.Rubber
B.Polyvinylchloride
C.Plastic
D.Aluminium
E.Steel
Category: Automobile Engineering Mcqs
The value overlap in case of four stroke petrol engine is approximately
A.30?
B.60?
C.90?
D.120?
If the cut-off is decreased, the efficiency of Diesel cycle
A.increases
B.decreases
C.is same
D.none of the above
By supercharging
A.Power stroke becomes stronger
B.Loss in exhaust is reduced
C.Engine can be made to run smoother
D.Thermal efficiency of the engine can be improved
In case of Diesel engines into the engine cylinder during suction stroke
A.air and fuel is drawn
B.only fuel is drawn
C.only air is drawn
D.none of the above
An automobile tyre will wear rapidly in case
A.It is overloaded
B.It is misaligned
C.It is incorrectly inflated
D.It is more frequently subjected to braking
E.Any of the above
Grease cannot be used as lubricant for the lubrication of
A.Coolant pump
B.Front wheel bearings
C.Input shaft
D.Slip joint
E.Transmission
The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as
A.indicator diagram
B.value timing diagram
C.axial force diagram
D.None of the above
In a four wheel drive the number of gear boxes is
A.1
B.2
C.4
D.One gear box with more gears
E.Depends on the design of vehicle
The number of plies in a truck tyre is usually
A.2
B.3
C.5–8
D.8–10
E.12–16
