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AE-JE (ME) || Refrigeration and Air-Conditioning Quiz - 2
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Question 1
In an Electrolux refrigerator
Question 2
The COP of an vapor-absorption type refrigerator is given by, wherein
T1 = Temp. At which refrigerant receives heat.
T2 = Temp. of cooling water.
T3 = Evaporator temperature.
T1 = Temp. At which refrigerant receives heat.
T2 = Temp. of cooling water.
T3 = Evaporator temperature.
Question 3
In a vapour absorption refrigeration, heat is rejected in
Question 4
In a vapour absorption refrigeration system, the COP of the system is 0.3. If the heat extracted from the refrigerated space is 15 kW, then heat received by generator, if the efficiency of generator is 80 %.
Question 5
Which of the following is true about flash chamber?
Question 6
In gas cycle refrigeration system, an expander replaces the throttle valve of a vapour compression system, because
Question 7
When the Brayton cycle working in the pressure limits of p1 and p2 is reversed and operated as a refrigerator, what is the ideal value of COP for such a cycle?
Question 8
Gas refrigerator working on reverse Brayton cycle is with pressure ratio is 4. If the specific heat ratio for gas is 1.5, then what will be the COP of the cycle.
Question 9
COP of reverse Brayton cycle is depends on
Question 10
Where is an air refrigeration cycle generally employed?
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