Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Steel Aluminium Brass Copper Steel Aluminium Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by All of these Halide torch Sulphur sticks Soap and water All of these Halide torch Sulphur sticks Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system None of these Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems None of these Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Moist air Saturated air Specific humidity Dry air Moist air Saturated air Specific humidity Dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 1.33 2.33 4.33 3.33 1.33 2.33 4.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a lithium bromide absorption refrigeration system Lithium bromide is used as a refrigerant and water as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent ANSWER DOWNLOAD EXAMIANS APP
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