List of top Questions asked in CBSE CLASS XII

The condenser used in a domestic refrigerator:
All pathogenic types of bacteria and nearly all other objectionable organisms in milk are killed by:
Thermostatic expansion valve operates by responding to ...........
Central air conditioning system is used for:
Automatic expansion valve is also known as:
Dairy refrigeration includes:
In a window air conditioner, ............ is used as a safety device.
Normally, the ducts used in air conditioning zones have a ............ shape.
Removal of moisture from the air, without any change in its dry bulb temperature is known as:
Heating of air, without any change in its specific humidity is known as:
It is not a mode of heat transfer:
The evaporator generally used in wine cooling is:
It starts operating when the pressure in the discharge line rises above a certain predetermined pressure.
Brine is used as a secondary refrigerant in:
It is a type of relay:
It is not a water cooled condenser:
Write the steps to save a presentation.
Mention any two ways to reduce the amount of waste generated.
Define entrepreneurship.
Who is an active listener?
Write various types of spreadsheet.
What is intrinsic motivation?
Annapurna scheme is under which nutrition programme operating in India?
Where was the Sustainable Access in Rural India (SARI) project started?
Which nutrient deficiency is targeted by National Prophylaxis Programme for Prevention of Blindness?