Refrigeration and Air Conditioning
Critical temperature is the temperature above which

A gas will never liquefy
Water will evaporate
Water will never evaporate
A gas will immediately liquefy

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A refrigeration system

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

ANSWER DOWNLOAD EXAMIANS APP