Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-22 Ammonia R-11 R-12 R-22 Ammonia R-11 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Negative None of these Positive Zero Negative None of these Positive Zero 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 Dry bulb temperature Dew point temperature Specific humidity Wet bulb temperature Dry bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 1.2 5 6 0.2 1.2 5 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during humidification process Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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