Mechanical Engineering Questions And Answers :: Refrigeration And Air Condition: part1



Mechanical Engineering : Refrigeration And Air Condition QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The condensing pressure due to the presence of non condemnable gases, as compared to that actually required for condensing temperatures without non condemnable gases,

will be higher
will be lower
will remain unaffected
may be higher or lower depending upon the nature of non condemnable gases
unpredictable.

2.The moisture in a refrigerant is removed by

evaporator
safety relief valve
dehumidifier
driers
expansion valve

3.Ammonia-absorption refrigeration cycle requires

very little work input
maximum work input
nearly same work input as for vapour compression cycle
zero work input
none of the above.

4.In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

after passing through the condenser
before passing through the condenser
after passing through the expansion or throttle valve
before entering the expansion valve
before entering the compressor.

5.In vapour compression cycle, the condition of refrigerant is very wet vapour

after passing through the condenser
before passing through the condenser
after passing through the expansion or throttle valve
before entering the expansion valve
before entering the compressor.

More Refrigeration And Air Condition QUESTIONS AND ANSWERS available in next pages

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