List of top Air Conditioning and Refrigeration Questions on Refrigeration and air conditioning asked in CBSE CLASS XII

Differentiate between Blower and Exhauster.
What do you understand by ‘Heat Transfer’? Write the different modes of heat transfer.
Describe the preservation of meat products.
Write some components of a spreadsheet.
In ‘Shell and Tube’ condenser:
The relay which is connected in series with the running winding is:
The air supplied to the conditioned space is made free from all foreign matters such as dirt, fumes, smoke and harmful bacteria by ..............
The fan which removes air or gases from a space by suction is:
Heat transfers through the metal wall of tubing by:
All pathogenic types of bacteria and nearly all other objectionable organisms in milk are killed by:
In a window air conditioner, ............ is used as a safety device.
It is not a mode of heat transfer:
Write the steps to save a presentation.