PVy = constant, holds good for an isentropic process, which is
Reversible and isothermal
Isothermal and irreversible
Reversible and adiabatic
Adiabatic and irreversible
- Pick out the correct equation relating 'F' and 'A'.
- The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial…
- In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
- Number of degrees of freedom for a three phase system in equilibrium comprising of three nonreacting…
- 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
- The necessary and sufficient condition for equilibrium between two phases is
- Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles…
- Joule-Thomson co-efficient depends on the
- If two gases have same reduced temperature and reduced pressure, then they will have the same
- The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…
- The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
- Throttling (Joule-Thomson effect) process is a constant __________ process.
- The expression, nRT ln(P1/P2), is for the __________of an ideal gas.
- The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria…
- 1st law of thermodynamics is nothing but the law of conservation of
- Cp of a gas at its critical temperature and pressure
- Heat is added at constant temperature in an ideal __________ cycle.
- At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
- Sublimation temperature of dry ice (solid CO2) is __________ °C.
- Consider the reaction, C + O2 CO2; ΔH = - 94 kcal. What will be the value of ΔH for the reaction…
- __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
- Which of the following identities can be most easily used to verify steam table data for superheated…
- When a gas in a vessel expands, its internal energy decreases. The process involved is
- As the time is passing, entropy of the universe
- The internal energy of an ideal gas does not change in a reversible __________ process.
- Which of the following diagrams does not represent an Otto cycle?
- Pick out the correct statement:
- Chemical potential is a/an
- Refrigeration capacity of a household refrigerator may be round about __________ tons.
- Work done in case of free expansion is