A.Thermal efficiency of diesel engine is about 34%
B.Theoretically correct air fuel mixture for petrol engine is about 1.5 : 1
C.High speed compression engines operate on dual combustion cycle
D.Diesel engines are CI engines
E.SI engines are quality governed engines
A.Air cleaner
B.Exhaust silencer
C.Battery
D.Dynamo
E.Fuel injector
A.1 cm
B.0.5 cm
C.0.2 cm
D.0.1 cm to 0.06 cm
A.0.5 to 1.7 seconds
B.2 to 3.5 seconds
C.3.5 to 4.5 seconds
D.4.5 to 7.0 seconds
E.7 to 10 seconds
A.exhaust and transfer (inlet) ports open and cloe simultaneously
B.exhaust port opens 5? before the transfer port and closes 5? after the transfer port
C.exhaust port opens 5? ahead of the transfer port but both ports close simultaneously
D.none of the above
A.S.I. engines
B.C.I. engines
C.Steam engines
D.none of the above
A.Distance between front and rear axles
B.Distance between the front tyres
C.Extreme length of the vehicle
D.Width of tyres
E.The combined width of rear tyres
A.electrically operated
B.mechanically operated
C.pneumatically operated
D.electro-magnetically operated
A.Scavenging is the process of removing the burnt gas from the engine cylinder by fresh charge coming into cylinder from the crank-case
B.The power developed in four stroke I.S. engine, for the same engine speed and cylinder volume, as compared to that of a two stroke engine is one-half
C.Instead of values, ports are used in case of two-stroke I.C. engines
D.In case of four stroke I.C. engines, the exhaust gases are driven out from engine cylinder by fresh charge of the fuel entering the cylinder
A.One valve
B.Two valves
C.Three valves
D.Four valves
E.Number of valves depends upon the engine design
