Exam (elaborations)
115(ECE)QUESTIONS WITH COMPLETE SOLUTIONS
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115(ECE)QUESTIONS WITH COMPLETE SOLUTIONS
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115The temperature in the evaporator: - correct answer ✔✔Depends on pressure in the evaporator
Raising the condensing point (saturation temperature) of the refrigerant vapor above the temperature of
the cooling medium is the function of the: - correct answer ✔✔Compressor
A refrigeration system circulates warm brine back to a chiller. Which of the following statements about
this system is true? - correct answer ✔✔The evaporator cools the brine
Which of the following is not a component of a closed cycle compression refrigeration system? - correct
answer ✔✔Absorber
Choose the true statement. The economiser of a packaged water chiller, used for air conditioning, does
NOT
a. Have an intercooling effect on the compressor
b. Reduce the power required for compression of the refrigerant
c. Reduce the flash vapour in the evaporator
d. Increase the refrigerating capacity of a system
e. Eliminate liquid carryover to the compressor - correct answer ✔✔Eliminate liquid carryover to the
compressor
In the condenser of a refrigeration system: - correct answer ✔✔The condensing medium absorbs heat
from the refrigerant
Which of the following is not an advantage of a factory assembled, packaged refrigeration unit? - correct
answer ✔✔The final installation must be according to code
In the evaporator of a refrigeration system: - correct answer ✔✔The refrigerant absorbs heat from the
surrounding medium
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