Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -77.7°C -56.6°C -135.8°C -75.2°C -77.7°C -56.6°C -135.8°C -75.2°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Copper Aluminium Steel Brass Copper Aluminium Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Ammonia Freon-22 Freon-11 CO2 Ammonia Freon-22 Freon-11 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Maximum work input Nearly same work input as for vapour compression cycle Zero work input Very little work input Maximum work input Nearly same work input as for vapour compression cycle Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution Weak solution mixes with strong solution Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution Weak solution mixes with strong solution ANSWER DOWNLOAD EXAMIANS APP
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