A. any gas
B. saturated steam
C. water
D. perfect gas
E. superheated steam
Related Mcqs:
- Properties of substances like pressure, temperature and density, in thermodynamic coordinates are__________________?
A. path functions
B. point functions
C. cyclic functions
D. real functions
E. thermodynamic functions - Change in enthalpy of a system is the heat supplied at___________________?
A. constant pressure
B. constant temperature
C. constant volume
D. constant entropy
E. N.T.P. condition - Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
A. pressure
B. temperature
C. volume
D. internal energy
E. entropy - A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
A. 300 Nm
B. 300,000 Nm
C. 30 Nm
D. 3000 Nm
E. 30,000 Nm - Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
A. pressure
B. temperature
C. volume
D. internal energy
E. entropy - In an isothermal process, the internal energy of gas molecules________________?
A. increases
B. decreases
C. remains constant
D. may increase/decrease depending on the properties of gas
E. shows unpredictable behaviour - Which law states that the internal energy of a gas is a function of temperature__________________?
A. Charles’ law
B. Joule’s law
C. Regnault’s law
D. Boyle’s law
E. there is no such law - For which of the following substances, the gas laws can be used with minimum error_________________?
A. dry steam
B. wet steam
C. saturated steam
D. superheated steam
E. steam at atmospheric pressure - Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to________________?
A. T
B. j
C. J2
D. Vr
E. 1/Vr - In an isothermal process, the internal energy________________?
A. increases
B. decreases
C. remains constant
D. first increases and then decreases
E. first decreases and then increases
