The co-efficient of performance (COP) of a refrigerating system, which – McqOptions

MCQOPTIONS

1.	The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.$?
A.	Kinematic viscosity
B.	Work
C.	Temperature
D.	None of these
Answer» E.

Discussion

No Comment Found

Related MCQs

Which of the following liquid metals has the highest thermal conductivity?%!
A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0¬¨‚àûC, 760 mm Hg) will be __________ litres.%!
Heat pump%!
If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will
For an irreversible process involving only pressure-volume work%!
Which is a state function?%!
In an ideal gas mixture, fugacity of a species is equal to its%!
Absolute zero temperature signifies the%!
The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is%!
In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13¬¨‚àûC and 37¬¨‚àûC respetively, the Carnot COP will be%!