Air is compressed isothermally by performing work equal to 16 KJ upon it. The change in internal energy is

Related MCQs

• In which of the following processes the change in internal energy of a gas is equal to the work done
• The fact that internal energy of a mixture is equal to the sum of the partial internal energies of the gases can also be applied to properties like H,Cv,Cp,S,F, and G.
• When the heat transferred isothermally
• When the heat transferred isothermally between the given            decreases, the temperature          
• 1.6 Kg of air is expanded at constant pressure from 100°C to 0°C resulting in entropy change of - 2.0 J/K 3.2 Kg of air is cooled at constant volume from 100°C to 0°C with a change in entropy of -3.0 J/K. The ratio Cp/ Cv is
• A perfect gas having p1= 0.1 M/mm², v1=0.18 m³, T1=20°C is compressed to 1/10 of volume in an isothermal process. The change in entropy is
• A mixture of gases expands from 0.03 m³ to 0.06 m³ at a constant pressure of 1 Mpa & absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is
• A reversible engine performing as engine has efficiency of 62.5%. If it is reversed to work as refrigerator its COP will be
• When the temperature of a liquid is less than the saturation temperature at the given pressure, the liquid is called compressed liquid.
• Internal energy of a perfect gas depends on