A. any gas
B. saturated steam
C. water
D. perfect gas
E. superheated steam
A. one value of specific heat (ft) two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. one value under some conditions and two values under other conditions
A. Otto cycle
B. Ericsson cycle
C. Joule cycle
D. Stirling cycle
E. Atkinson cycle
A. a thermodynamic machine
B. a non-thermodynamic machine
C. a hypothetical machine
D. a hypothetical machine whose opera-tion would violate the laws of thermodynamics
E. an inefficient machine
A. occupies volume proportional to its molecular weight
B. occupies volume proportional to its specific weight
C. occupies volume inversely proportional to its molecular weight
D. occupies volume inversely proportional to its specific weight
E. occupies same volume
A. zero
B. minimum
D. maximum
D. infinity
E. there is no such criterion
A. free expansion or friction resisted expansion/compression process should not be encountered
B. when heat is being absorbed, temperature of hot source and working sub¬stance should be same
C. when beat is being rejected, temperature of cold source and working sub-stance should be same
D. all of the above
E. none of the above