Related Questions

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 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 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
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
In a working refrigerator, the value of COP is always
A 0
B > 1
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
In a domestic vapour compression refrigerator, the refrigerant commonly used is
A CO2
B Ammonia
C R-12
D All of these
The bank of tubes at the back of domestic refrigerator is
A Condenser tubes
B Evaporator tubes
C Refrigerant cooling tubes
D Capillary tubes

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