Category: Thermodynamics

A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour

A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm

A. only one value of specific heat
B. two values of specific heat
C. three values of specific heat
D. no value of specific heat
E. under some conditions one value and sometimes two values of specific heat

A. kilogram
B. gram
C. tonne
D. quintal
E. newton

A. 54°C
B. 327°C
C. 108°C
D. 654°C
E. 600°C

A. 21
B. 23
C. 25
D. 77
E. 79

A. + v
B. – ve
C. zero
D. pressure x volume
E. any where between zero and infinity

A. properties of the medium/substance used
B. condition of engine
C. working condition
D. temperature range of operation
E. effectiveness of insulating material around the engine

A. 760 mm Hg
B. zero mm Hg
C. 735.6 mm Hg
D. 1 mm Hg
E. 100mm Hg

A. the end states only
B. particular adiabatic process
C. the value of index n
D. the value of heattransferred
E. mass of the system