Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 20 to 50°C None of these 50 to 70°C 70 to 110°C 20 to 50°C None of these 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Brass Copper Steel Aluminium Brass Copper Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Indirect Compression Direct Absorption Indirect Compression Direct Absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It is toxic to mucous membranes. It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. All of these It is toxic to mucous membranes. It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vertical and uniformly spaced lines on a psychrometric chart indicates Dry bulb temperature Specific humidity Dew point temperature Wet bulb temperature Dry bulb temperature Specific humidity Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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