Test: Air Standard Cycle of IC Engine - 1 - Mechanical Engineering MCQ

1, 2, 3 and 4

1, 2 and 3

1, 3 and 4

 2, 3 and 4

disintegration of combustion products at high temperature

reverse process of combustion

heat absorption process

all of the above

intake valve is open while exhaust valve is closed.

intake valve is closed while exhaust valve is open.

the exhaust and intake cycles overlapping each other.

both intake and exhaust valves are closed

power output

brake thermal efficiency

volumetric efficiency

all of the above

the density of the fresh charge

the design of intake and exhaust manifolds

the exhaust gas in the clearance volume

the heat loss factor

higher than stoichiometric

lower than stoichiometric

equal to stoichiometric

none of the above

SI engines

Cl engines

pulse jet engines

gas turbines

decreases

increases

remains same

depends on other factors

two constant volume and two isentropic processes

two constant pressure and two isentropic processes

two constant pressure and two constant volume processes

none of the above