Refrigeration and Air Conditioning
A one tonne refrigerating machine means that

One tonne of water can be converted into ice
One tonne is the total mass of machine
One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min
One tonne refrigerant is used

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Dry bulb temperature is the temperature of air recorded by a thermometer, when

None of the listed here
Its bulb is surrounded by a wet cloth exposed to the air
It is not affected by the moisture present in the air
The moisture present in it begins to condense

ANSWER DOWNLOAD EXAMIANS APP