Mechanical Engineering Questions And Answers :: Refrigeration And Air Condition: part2



Mechanical Engineering : Refrigeration And Air Condition QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

collect liquid refrigerant and prevent it from going to compressor
detect liquid in vapour
superheat the vapour
collect vapours
increase refrigeration effect.

22.Domestic refrigerator working on vapour compression cycle uses the following type of expansion device

electrically operated throttling valve
manually operated valve
thermostatic valve
capillary tube
expansion valve.

23.The vapour pressure of refrigerant should be

lower than atmospheric pressure
higher than atmospheric pressure
equal to atmospheric pressure
could be anything
none of the above.

24.At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

decreases
increases
remains same
depends on other factors
none of the above.

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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Identify your problems but give your power and energy to solutions- Tony Robbins