Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the

A. Cold reservoir approaches zero

B. Hot reservoir approaches infinity

C. Either (A) or (B)

D. Neither (A) nor (B)

Related Questions

Dry ice is Ideal refrigeration cycle is In a turbine, the fluid expands almost 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done… In case of steady flow compression polytropic process (PVn = constant),… In a P-V diagram (for an ideal gas), an isothermal curve will coincide… The relation connecting the fugacities of various components in a solution… Which of the following is not affected by temperature changes? Fugacity is a measure of the Gibbs free energy (G) is represented by, G = H - TS, whereas Helmholtz… On a P-V diagram of an ideal gas, suppose a reversible adiabatic line… What is the degree of freedom for two miscible (non-reacting) substances… The intensive properties are A refrigerator works on the principle of __________ law of thermodynamics. If atmospheric temperature and dew point are nearly equal, then the relative… The standard Gibbs free energy change of a reaction depends on the equilibrium Which of the following is not an extensive property? A system in which there is exchange of energy but not of mass, is called… Measurement of thermodynamic property of temperature is facilitated by… Ideal gas law is applicable at Gibbs free energy of a pure fluid approaches __________ as the pressure… Which of the following processes cannot be made reversible even under… Throttling process is a/an __________ process. A liquid under pressure greater than its vapour pressure for the temperature… The difference between isothermal compressibility and adiabatic compressibility… Isentropic process means a constant __________ process. Pick out the wrong statement. Joule-Thomson co-efficient depends on the Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H… The co-efficient of performance (COP) of a refrigerating system, which…