A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by
P1ACBP2P1
ACBB1A1A
ACBDA
ADBB1A1A
- Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
- Ideal gas law is applicable at
- Sound waves propagation in air exemplifies an __________ process.
- Which of the following is not a reversible process?
- For spontaneous changes in an isolated system (S = entropy)
- Variation of equilibrium pressure with temperature for any two phases of a given substances is given…
- For an ideal solution, the value of activity co-efficient is
- The total change in the enthalpy of a system is independent of the
- A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.
- Cp of a gas at its critical temperature and pressure
- Third law of thermodynamics is concerned with the
- In any spontaneous process,
- In case of steady flow compression polytropic process (PVn = constant), the work done on air is the…
- Heat of formation of an element in its standard state is
- Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the
- Throttling process is a/an __________ process.
- The relation connecting the fugacities of various components in a solution with one another and to composition…
- Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…
- Critical temperature is defined as the temperature above which a gas will
- Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
- Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole.…
- High __________ is an undesirable property for a good refrigerant.
- Pick out the wrong statement
- Pick out the wrong statement.
- Enthalpy of a gas depends upon its
- In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
- If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
- Entropy of a substance remains constant during a/an __________ change.
- At triple point (for one component system), vapour pressure of solid as compared to that of liquid will…
- Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…