Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Expansion Evaporation Compression Condensation Expansion Evaporation Compression Condensation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Air Freon-22 Freon-11 CO2 Air Freon-22 Freon-11 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It improves the C.O.P., as the condenser is small It leads to significant cost reduction The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It improves the C.O.P., as the condenser is small It leads to significant cost reduction The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Specific humidity Wet bulb temperature Dew point temperature Dry bulb temperature Specific humidity Wet bulb temperature Dew point temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator Compressor and condenser Condenser and expansion valve Expansion valve and evaporator Compressor and evaporator Compressor and condenser Condenser and expansion valve Expansion valve and evaporator 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. It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. All of these It reacts with copper and its alloys. It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. All of these ANSWER DOWNLOAD EXAMIANS APP
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