Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will never evaporate Water will evaporate A gas will never liquefy A gas will immediately liquefy Water will never evaporate Water will evaporate A gas will never liquefy A gas will immediately liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Same None of these Lower Higher Same None of these Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Equal to unity Always less than unity Always more than unity Any one of the above Equal to unity Always less than unity Always more than unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Rankine cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 8°C 22°C 14°C 5°C 8°C 22°C 14°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide Carbon dioxide R-12 Lithium bromide Sulphur dioxide Carbon dioxide R-12 Lithium bromide ANSWER DOWNLOAD EXAMIANS APP