The most popular firing order in case of cylinder in-line IC engine is
A.1-2-3-4
B.4-3-2-1
C.1-3-4-2
D.1-4-2-3
Category: Automobile Engineering Mcqs
Cross wire grooves on tyres
A.Lessen the danger of skidding
B.Absorb shocks due to road unevenness
C.Provide good traction
D.Provide better load carrying capacity
E.Secure better steering properties
For car speed upto 100 kmph the mean deceleration in m/s2 taken as
A.1.5
B.2.5
C.3.5
D.4.5
E.5
The quantity of oil delivered by injection pump in diesel engine is controlled by
A.upward movement of control helix
B.downward movement of control helix
C.rotation of control helix
D.none of the above
A ring gear is provided around the engine fly-wheel
A.For reducing noise
B.For getting uniform speed
C.To get variable engine speeds
D.To operate the valves
E.To start the engine using self-starter
Poor compression in a two stroke engine cannot be due to
A.Leaky valves
B.Broken piston rings
C.Leaking cylinder head gasket
D.Poor fits between pistons, rings and cylinders
In a four stroke four cylinder petrol engine, the speed of distributor shaft is
A.Quarter of the engine speed
B.Half the engine speed
C.Same as engine speed
D.Double of engine speed
E.Four times the engine speed
During idling in a CI engine, the air fuel ratio may be of the order of
A.30
B.20
C.15
D.10
E.5
The spark advance in SI engine is adjusted to obtain maximum pressure
A.10 – 12? past TDC
B.at TDC
C.10 – 12? before TDC
D.none of the above
The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
A.supercharging
B.auto-ignition
C.scavenging
D.none of the above
