When a gas in a vessel expands, its internal energy decreases. The process involved is________________?

Related Mcqs:

When a gas is subjected to adiabatic expansion, it gets cooled due to__________________?

A. Decrease in velocity B. Decrease in temperature C. Decrease in kinetic energy D. Energy spent in doing work...

What is the ratio of adiabatic compressibility to isothermal compressibility ?

A. 1 B. < 1 C. > 1 D. >> 1...

A refrigeration cycle is the same as a _____________ cycle?

A. Turbine B. Heat engine C. Reversed heat engine D. None of these...

Normal temperature and pressure (N.T.P.) corresponds to ___________________?

A. 0°C and 760 mm Hg B. 15°C and 760 mm Hg C. 20°C and 760 mm Hg D. 0°C and 1 kgf/cm2...

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

A. 0 B. 1 C. y = 1.44 D. 1.66...