Refrigeration and Air Conditioning
A good refrigerant should have

High specific volume and high latent heat of vaporisation
High latent heat of vaporisation and low freezing point
High operating pressures and low freezing point
Low C.O.P. and low freezing point

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
One ton of the refrigeration is

The cooling effect produced by melting 1 ton of ice
The standard unit used in refrigeration problems
The refrigeration effect to produce 1 ton of ice at NTP conditions
The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Which of the following statement is correct?

The wet bulb and dry bulb temperature are equal at saturation condition
The wet bulb temperature is a measure of enthalpy of moist air
The constant enthalpy lines are also constant wet bulb temperature lines
All of the listed here

ANSWER DOWNLOAD EXAMIANS APP