A. work done is zero
B. heat transfer is zero
C. both A. and B. above
D. work done is zero but heat increases
E. work done is zero but heat decreases
A. gas engine
B. well lubricated engine
C. petrol engine
D. steam engine
E. reversible engine
A. 0.75
B. 1
C. 1.27
D. 1.35
E. 2
A. path functions
B. point functions
C. cyclic functions
D. real functions
E. thermodynamic functions
A. meter
B. centimeter
C. kilometer
D. millimeter
A. zeroth law of thermodynamics
B. first law of thermodynamics
C. second law of thermodynamics
D. third law of thermodynamics
E. Avogadro’s hypothesis
A. two isothermals and two isentropics
B. two isentropics and two constant volumes
C. two isentropics, one constant volume and one constant pressure
D. two isentropics and two constant pres-sures
E. none of the above