Category: Heat Engines Mcqs

A.Varies with altitude
B.Varies with altitude
C.Varies with square of speed
D.Remains constant
E.Depends on other factors

A.Carnot cycle
B.Brayton cycle
C.Dual cycle
D.Rankine cycle
E.Regenerative cycle

A.Seizure of supply of fuel in a diesel engine
B.Serious restriction to the supply of fuel due to excessively rapid formation of vapour in S.I. engine
C.Locking of carbourettor jets due to vapour formation
D.Locking of jets due to impurities in petrol
E.None of the above

A.Same is combustion
B.Process of heat liberation in which no flame exist
C.Slow combustion
D.Smokeless combustion
E.Combustion without heat

A.Engine cylinder diameter
B.B.H.P.
C.Speed
D.Mean effective pressure
E.Weight of engine

A.More efficient
B.Less efficient
C.Equally efficient
D.Depend on other factors
E.None of the above

A.Reduces the exhaust temperature
B.Improves thermal efficiency
C.Increases power output
D.Restricts damage to turbine blades
E.None of the above

A.Where a difference is observed in any macroscopic property of the system between different times or state
B.Where a difference is observed in any microscopic property of the system between different times or state
C.Which occurs in the direction of an intensive property or driving force contained within the system
D.Which require an agency outside the system to force the process
E.None of the above

A.700?C
B.1000?C
C.1500?C
D.2000?C
E.2500?C

A.Bigger
B.Small
C.Same size
D.Different shape
E.There is no correlation