Refrigeration and air-conditioning objective questions and answers


36. The domestic type of refrigerator uses.......compressor


   A.Centrifugal

   B.Axial

   C.Miniature scaled unit

   D.Piston type reciprocating


✔ View Answer


D.Piston type reciprocating

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


37. Refrigeration of aeroplane uses.......


   A.CO2

   B.Air

   C.Freon-11

   D.Freon-22


✔ View Answer


B.Air

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


38. Absorption system normally uses following refrigerant....


   A.CO2

   B.SO2

   C.Freon-11

   D.Freon-22

   D.Ammonia


✔ View Answer


E.Ammonia

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


39. The vapour pressure of the refrigerant should be.......


   A.Lower than atmospheric pressure

   B.Higher than atmospheric pressure

   C.Equal than atmospheric pressure

   D.None of the above


✔ View Answer


B.Higher than atmospheric pressure

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


40. The bank of tube at the back of domestic refrigerator are.......


   A.Condenser tube

   B.Evaporator tube

   C.Refrigerant colling tubes

   D.Capillary tubes


✔ View Answer


A.Condenser tube

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.





< 1 2 3 4 5 6 7 8 9 10 Next Page>






Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh