For a reversible adiabatic process the change in entropy is
A.Zero
B.Minimum
C.Maximum
D.Infinite
E.Unity
A.Zero
B.Minimum
C.Maximum
D.Infinite
E.Unity
A.Wet vapour
B.Dry vapour
C.Superheated vapour
D.Wet and dry vapour
E.Wet and superheated vapours
A.external work done
B.increased kinetic energy of molecules
C.increase in volume is more rapid as compared to that of pressure
D.None of the above
A.Only dependent on temperature
B.Zero
C.Maximum
D.Minimum
E.None of the above
A.Decreases
B.Increases
C.Does not change
D.Will be equal to the efficiency of a practical engine
E.Depends on their factors
A.Enthalpy
B.Enthalpy and temperature
C.Temperature and pressure
D.Pressure and volume
E.Pressure, volume and temperature
A.5 to 7 percent
B.7 to 10 percent
C.10 to 20 percent
D.25 to 35 percent
E.50 to 70 percent
A.Radiant flux density
B.Total absorptivity
C.Radiant energy
D.Radiant intensity
E.None of the above
A.Increase
B.Remain unaltered
C.Decrease
A.at high pressures
B.at low pressures
C.at low temperatures
D.at all temperatures