- (A) energy
- (B) work
- (C) mass
- (D) length
- (E) time
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- (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 volume
- (E) two isobaric, two adiabatic and one constant volume
- (A) 3 m3/mt
- (B) 1.5 m3/mt
- (C) 18 m3/mt
- (D) 6 m3/mt
- (E) 0.75 m3/mt
- (A) ityrequires very big cylinder
- (B) it does not increase pressure much
- (C) it is impossible in practice
- (D) compressor has to run at very slow speed to achieve it
- (E) it requires cylinder to be placed in water
- (A) cools the delivered air
- (B) results in saving of power in compressing a given volume to given pressure
- (C) is the standard practice for big compressors
- (D) enables compression in two stages
- (E) prevents compressor jacket running very hot
- (A) increases
- (B) decreases
- (C) remains unaffected
- (D) may increase or decrease depending on compressor capacity
- (E) increases upto certain limit and then decreases
- (A) atmospheric conditions at any specific location
- (B) 20°C and 1 kg/cm2 and relative humidity 36%
- (C) 0°C and standard atmospheric conditions
- (D) 15°C and 1 kg/cm2
- (E) 25°C, 1 kg/cm2 and RH of 60%.
- (A) isothermal
- (B) adiabatic
- (C) polytropic
- (D) any one of the above
- (E) none of the above
- (A) standard air
- (B) free air
- (C) compressed air
- (D) compressed air at delivery pressure
- (E) air sucked
- (A) atmospheric conditions at any specific location
- (B) 20°C and 1 kg/cm2 and relative humidity of 36%
- (C) 0°C and standard atmospheric conditions
- (D) 15°C and 1 kg/cm2
- (E) 25°C, 1 kg/cm2 and relative humidity of 50%.
