The function of condenser in the ignition circuit of an SI engine is
A.to interrupt the battery current
B.to enhance the circuit voltage
C.to avoid arcing at the contact breaker and to cause faster decay of primary current
D.none of the above
Category: Automobile Engineering Mcqs
The efficiency of hydraulic braking system is
A.About 90 percent
B.60 – 70 percent
C.50 – 60 percent
D.40 – 50 percent
E.25 – 40 percent
Magneto ignition system is used in scooters and motor cycles because
A.it is less costly
B.it is less bulky and requires less maintenance
C.it gives higher voltage across the terminals of spark plug
D.none of the above
In case of friction clutch the coefficient of friction is expected to be
A.0.01
B.0.1
C.0.15 to 0.17
D.0.4 to 0.5
E.0.85 to 0.90
Ignition advance is expressed in terms of
A.Crank angle
B.Millimetres of piston travel before TDC
C.Time in milliseconds
D.Any of the above
E.None of the above
Which of the following hydrocarbon has ring structure?
A.Paraffin
B.Olefin
C.Diolefin
D.Naphthene
While starting a engine the starter pinion meshes with
A.Clutch
B.Propellor shaft
C.Engine flywheel ring gear
D.Gears in gear box
E.Gears in differential
Steering gear
A.rack and pinion type
B.worm and roller type
C.recirculating ball type
D.Any of the above
Which fully charged the specific gravity of acid in a battery is usually
A.0.74
B.0.84
C.1
D.1.12
E.1.28
In a vehicle if there is no king pin offset
A.Starting steering effort will be high
B.Starting steering effort will be zero
C.Wobbling of wheels will increase
D.bracking effort will be high
