Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
Air cycle
Carnot cycle
Ordinary vapour compression cycle
Vapour compression with a reversible expansion engine
- If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
- All gases except __________ shows a cooling effect during throttling process at atmospheric temperature…
- Clausius-Clapeyron Equation gives accurate result, when the
- During a reversible isothermal expansion of an ideal gas, the entropy change is
- At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.
- The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium,…
- For a constant volume process
- (∂E/∂T)V is the mathematical expression for
- For an ideal gas, the internal energy depends upon its __________ only.
- Which of the following decreases with increase in pressure?
- y = specific heat ratio of an ideal gas is equal to
- As the time is passing, entropy of the universe
- What happens in a reversible adiabatic expansion process?
- A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________…
- The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium,…
- Throttling process is a/an __________ process.
- For an ideal gas, the enthalpy
- The compressibility factor for an ideal gas is 1. Its value for any other real gas is
- The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
- The free energy change for a chemical reaction is given by (where, K = equilibrium constant)
- Fugacity is most helpful in
- COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about
- Boiling of liquid is accompanied with increase in the
- For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist…
- In a homogeneous solution, the activity coefficient of a component depends upon the
- Fugacity co-efficient of a substance is the ratio of its fugacity to
- In a reversible process
- Which of the following will increase the volume of a real gas by four times?
- In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
- Which of the following represents the Virial equation of state?