Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It reacts with copper and its alloys. All of these It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. It reacts with copper and its alloys. All of these It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Indirect Direct Compression Absorption Indirect Direct Compression Absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as None of the listed here Effective temperature Dew point temperature Mean radiant temperature None of the listed here Effective temperature Dew point temperature Mean radiant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser Evaporator Absorber Condenser, absorber and separator (rectifier) Condenser Evaporator Absorber Condenser, absorber and separator (rectifier) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Zero Positive None of these Negative Zero Positive None of these Negative ANSWER DOWNLOAD EXAMIANS APP