A. temperature during compression remains constant B. no heat leaves or enters the compressor cylinder during cornpression
C. temperature rise follows a linear relationship
D. work done is maximum
E. entropy decreases
Isothermal compression efficiency, even when running at high speed, can be approached by using
A. multi-stage compression
B. cold water spray C. both A. and B. above
D. fully insulating the cylinder
E. high stroke
A. isothermal h.p. to the BHP of motor
B. isothermal h.p. to adiabatic h.p.
C. power to drive compressor to isothermal h.p.
D. work to compress air isothermally to work for actual compression
E. isothermal work to ideal work
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%.