Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation) 0.622 Pv / (Pb - Pv) None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Screw Centrifugal Rotating Reciprocating Screw Centrifugal Rotating Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour is driven out of solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Small displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Large displacements and high condensing pressures Small displacements and high condensing pressures Large displacements and low condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Dehumidification Cooling and dehumidification Cooling and humidification Dehumidification and pure sensible cooling Dehumidification Cooling and dehumidification Cooling and humidification Dehumidification and pure sensible cooling ANSWER DOWNLOAD EXAMIANS APP
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