Co-efficient of Performance (COP) of a refrigerator is the ratio of the

A Work required to refrigeration obtained
B Refrigeration obtained to the work required
C Lower to higher temperature
D Higher to lower temperature

Correct Answer: Refrigeration obtained to the work required

Coefficient of performance of a refrigerator is defined as heat taken from the cold reservoir or low temperature reservoir (refrigeration) to work input for this process to take place.
Bissoy MCQ
#Chemical Engineering #Chemical Engineering Thermodynamics

Related Questions

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
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is
A Less
B More
C Same
D Dependent on climatic conditions
COP-26 কোথায় অনুষ্ঠিত হবে ? (Where will COP-26 be held?)
A Canada
B France
C Netherland
D Scottland
COP-26 এ COP মানে কী?
A কনফারেন্স অব দ্য প্যারিস
B কনফারেন্স অব দ্য পাওয়ার
C কনফারেন্স অব দ্য পার্টিস
D কনফারেন্স অব দ্য প্রটোকল
The COP of a domestic refrigerator
A Is less than 1
B Is more than 1
C Is equal to 1
D Depends upon the make
In a working refrigerator, the value of COP is always
A 0
B > 1
The coefficient of performance of Electrolux refrigerator is the ratio of
A Heat supplied by the gas burner to the heat absorbed by the evaporator
B Heat absorbed by the evaporator to the heat supplied by the gas burner
C Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner
D Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator
One fourth the price of a TV is equal to 1/6th the price of a refrigerator. If the total cost of the TV and the refrigerator is Tk 60000, what is the price of the TV?
A Tk 22000
B Tk 24000
C Tk 27500
D None of these
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
A Same
B Less
C More
D None of these
The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
A (C.O.P.)P = (C.O.P.)R + 2
B (C.O.P.)P = (C.O.P.)R + 1
C (C.O.P.)P = (C.O.P.)R - 1
D (C.O.P.)P = (C.O.P.)R

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