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GATE 2023 II Air Refrigeration Cycle II Quiz 35
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Question 1
Which of the following statements is incorrect with respect to air standard refrigeration cycle
Question 2
A refrigeration cycle working on the reversed Brayton cycle with isentropic expansion and compression processes has an operating pressure ratio of 5. The COP of the refrigeration cycle is ___________
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Question 3
Which of the following statements are correct with respect to gas refrigeration cycle.
(a) They have low refrigeration capacity
(b) They involve simple and lighter component
(c) They are suitable for air craft cooling
(d) All of above
Question 4
A Bell – Coleman air refrigeration cycle works as a reversed
Question 5
In gas cycle refrigeration system, an expander replaces the throttle valve of a vapour compression system, because
Question 6
A Bell Coleman refrigeration cycle works between pressure limits of 1 bar and 5 bar. The adiabatic efficiency of compression is 85% and expansion is 90%. Find out the tonnage capacity when the air flow rate is 1 kg/sec. The ambient temperature is 27ºC and the refrigerator temperature is 0 ºC.
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