A refrigerator may be termed as a
Heat pump
Heat engine
Carnot engine
None of these
- The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
- The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
- Critical compressibility factor for all substances
- Refrigeration cycle
- Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…
- A system is said to be isopiestic, if there is no __________ change.
- Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
- If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
- In an ideal gas mixture, fugacity of a species is equal to its
- The specific heat of saturated water vapour at 100°C is
- For a cyclic process, a fixed ratio between heat and work
- Chemical potential is a/an
- The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.
- A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the…
- At absolute zero temperature, the __________ of the gas is zero.
- The acentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr-1 = 0.7, where,…
- The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
- For a constant volume process __________ by the system is used only to increase the internal energy.
- An isentropic process is carried out at constant
- Solubility of a substance which dissolves with an increase in volume and liberation of heat will be…
- A large iceberg melts at the base, but not at the top, because of the reason that
- Which is not a refrigerant?
- The equation, PV = nRT, is best obeyed by gases at
- For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion…
- For any system, what is the minimum number of degrees of freedom?
- For a single component two phase mixture, the number of independent variable properties are
- At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero.…
- The adiabatic throttling process of a perfect gas is one of constant enthalpy
- First law of thermodynamics deals with the
- Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…