First law of thermodynamics furnishes the relationship between______________________?

A. Heat and work
B. Heat, work and properties of the system
C. Various properties of the system
D. Various thermodynamic processes

According to first law of thermodynamics__________________?

A. Work done by a system is equal to heat transferred by the system
B. Total internal energy of a system during a process remains constant
C. Internal energy, enthalpy and entropy during a process remain constant
D. Total energy of a system remains constant

For reversible adiabatic process, change in entropy is_________________?

A. Maximum
B. Minimum
C. Zero
D. Unpredictable

The more effective way of increasing efficiency of Carnot engine is to____________________?

A. Increase higher temperature
B. Decrease higher temperature
C. Increase lower temperature
D. Decrease lower temperature

Molecular volume of any perfect gas at 600 x 103 N/m2 and 27°C will be ____________________?

A. 4.17m3/kgmol
B. 400 m3/kg mol
C. 0.15 m3/kg mol
D. 41.7 m3/kg mol

For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be___________________?

A. Zero
B. Minimum
D. Maximum
D. Infinity

Which of the following processes is irreversible process___________________?

A. Isothermal
B. Adiabatic
C. Throttling
D. All of the above

If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?

A. Free expansion
B. Hyperbolic expansion
C. Adiabatic expansion
D. Parabolic expansion

If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as__________________?

A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion

For which of the following substances, the internal energy and enthalpy are the functions of temperature only____________________?

A. Any gas
B. Saturated steam
C. Water
D. Perfect gas