Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Rubber Lead Iron Aluminium Rubber Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Toxic Non-inflammable and toxic Inflammable Nontoxic and non-inflammable Toxic Non-inflammable and toxic Inflammable Nontoxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Yellow Orange Red Bright green Yellow Orange Red ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant temperature Takes place at constant entropy Involves no change in volume Takes place at constant pressure Takes place at constant temperature Takes place at constant entropy Involves no change in volume Takes place at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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