The pressure ratio of an ideal vaned compressor with increase in mass flow rate
A). Increases
B). Decreases
C). Remain constant
D). First decreases and then increases
With the decrease in compression ratio, the volumetric efficiency
A). Does not change
B). Increases
C). Decreases
D). First decrease and then increase
In which case the air-fuel ratio is likely to be maximum?
A). Gas turbine
B). 4-stroke petrol engine
C). 4-stroke diesel engine
D). Multi cylinder engine
A compressor at high altitude will draw
A). More power
B). Less power
C). Same power
D). More/less power depending on other factors
An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes
A). One adiabatic, two isobaric, and one constant volume
B). Two adiabatic and two isobaric
C). Two adiabatic, one isobaric and one constant volume
D). One adiabatic, one isobaric and two constant volumes