Question

Statement (I): The estimation of exact cooling load calculations of space to be conditioned is important to know because it involves both the initial cost and operating cost.

Statement (II): The outside heat gain to conditioned space is called external load and the heat gain from inside the conditioned space is called internal load.
1. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (1)
2. Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (1)
3. Statement (I) is true but Statement (II) false 
4. Statement (I) is false but Statement (II) is true 

Answer 1

Correct Answer - Option 2 : Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (1)

Before selecting the apparatus for the air - conditioner it is important to know the load requirements of the conditioned space, therefore the load calculations are important input for the initial cost of the conditioner and the operating cost also depends upon the loading conditions of the space.

Following loads are acting upon the components of a air - conditioner

External loads are due to the external environment, which includes heat loss or gain through Walls, roof, windows, ceiling etc.

Internal loads are loads due to occupants, lights appliances within the conditioned space..

Infiltration: Air leakage and moisture migration

System: Outside air, duct gain, reheat

Therefore both the statements are individually true.