Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high It is made of copper Required pressure drop cannot be achieved Capacity control is not possible Cost is too high It is made of copper Required pressure drop cannot be achieved Capacity control is not possible ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Difference of (A) and (B) Heat dissipated to the surroundings Heat stored in the human body Sum of (A) and (B) Difference of (A) and (B) Heat dissipated to the surroundings Heat stored in the human body Sum of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, Will be higher Will be lower May be higher or lower depending upon the nature of non-condensable gases Will remain unaffected Will be higher Will be lower May be higher or lower depending upon the nature of non-condensable gases Will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
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