Gas Cycle Refrigeration - MCQs with Answers
Q1. In gas cycle refrigeration system, the throttle valve of a vapour compression refrigerant system is replaced bya. capillary tube
b. expander
c. reverse throttle valve
d. none of the above
View Answer / Hide Answer Q2. How much is the temperature drop of real gas by throttling?a. vary big temperature drop
b. very small temperature drop
c. no temperature drop
d. cannot say
View Answer / Hide Answer ANSWER: b. very small temperature drop
Q3. The ideal gas-refrigeration cycle is similar to a. Brayton cycle
b. Reversed Brayton cycle
c. Rankine cycle
d. Reversed Rankine cycle
View Answer / Hide Answer ANSWER: b. reversed Brayton cycle
Q4. How is the COP of gas-refrigeration cycle compared with the COP of vapour compression cycle, for the same capacity?a. the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity
b. the COP of gas-refrigeration cycle is higher than the COP of vapour compression cycle, for the same capacity
c. the COP of gas-refrigeration cycle is same as the COP of vapour compression cycle
d. none of the above
View Answer / Hide Answer ANSWER: a. the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity
Q5. The gas-refrigeration system is a. more heavy and bulky than the vapour compression cycle
b. less heavy and bulky than the vapour compression cycle
c. same in construction with the vapour compression cycle
d. none of the above
View Answer / Hide Answer ANSWER: b. less heavy and bulky than the vapour compression cycle
