Home

What is the correct answer?

4

Which of the following is an undesirable characteristic of a refrigerant?

A. It should be non-explosive

B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

C. Its vapor pressure at the condenser temperature should be very high

D. None of these

Correct Answer :

B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils


Related Questions

Mollier diagram is a plot of With increase in temperature, the atomic heat capacities of all solid… The total change in the enthalpy of a system is independent of the In the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2, decrease… (∂T/∂P)H is the mathematical expression for y = specific heat ratio of an ideal gas is equal to Claude's liquefaction process employs the cooling of gases by __________ decreases during adiabatic throttling of a perfect gas. Boiling of liquid is accompanied with increase in the Chemical potential is a/an Which of the following is an undesirable characteristic of a refrigerant? For an ideal gas, the chemical potential is given by At the absolute zero temperature, the entropy of every perfectly crystalline… The equilibrium constant for a chemical reaction at two different temperatures… The main feature of Carnot refrigeration cycle is that, it 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times… Pick out the wrong statement. Pick out the wrong statement. Maximum work that could be secured by expanding the gas over a given pressure… In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the… At a given temperature, the volume of a gas dissolved in a solvent __________… Which of the following is not an extensive property? Which of the following is a thermodynamic property of a system? Number of phases in a colloidal system is: The partial pressure of each constituent present in an alloy is __________… The value of gas constant 'R' is The temperature at which a real gas obeys the ideal gas laws over a wide… Generation of heat by friction is an example of a/an __________ change. Standard temperature and pressure (S.T.P.) is What happens in a reversible adiabatic compression?