Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 20 to 50°C 50 to 70°C None of these 70 to 110°C 20 to 50°C 50 to 70°C None of these 70 to 110°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Required pressure drop cannot be achieved Cost is too high Capacity control is not possible It is made of copper Required pressure drop cannot be achieved Cost is too high Capacity control is not possible It is made of copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on None of these Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) None of these Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 1.2 6 0.2 5 1.2 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
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 The difference between dry bulb temperature and wet bulb temperature, is called Dew point depression Dry bulb depression Wet bulb depression Degree of saturation Dew point depression Dry bulb depression Wet bulb depression Degree of saturation ANSWER DOWNLOAD EXAMIANS APP
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