Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Carbon dioxide Fluorine Sulphur dioxide Ammonia Carbon dioxide Fluorine Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of the refrigeration is The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 15 bar 2 bar 8 bar 30 bar 15 bar 2 bar 8 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Reduced to a value below its critical temperature Equal to critical temperature Increased to a value above its critical temperature None of these Reduced to a value below its critical temperature Equal to critical temperature Increased to a value above its critical temperature None of these ANSWER DOWNLOAD EXAMIANS APP