Heat Transfer, Refrigeration and Air Conditioning MCQs

circulating more quantity of cooling water through the condenser

using water colder than the main circulating water

employing a heat exchanger

any one of the above

dry bulb temperature

wet bulb temperature

dew point temperature

specific humidity

sub-cooling or under-cooling

super-cooling

normal cooling

none of these

compressor and condenser

condenser and receiver

receiver and evaporator

evaporator and compres

ammonia

carbon dioxide

sulphur dioxide

R-12

equal to

less than

greater than

0.376

0.4

0.6

0.67

cost is too high

capacity control is not possible

it is made of copper

required pressure drop

parallel flow

counter flow

cross flow

all of these

Agree

Disagree