Refrigeration and Air Conditioning
A refrigeration system

Removes heat from a low temperature body and delivers it to a high temperature body
Removes heat from a high temperature body and delivers it to a low temperature body
None of the listed here
Rejects energy to a low temperature body

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A one tonne refrigerating machine means that

One tonne refrigerant is used
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 of water can be converted into ice
One tonne is the total mass of machine

ANSWER DOWNLOAD EXAMIANS APP