Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Any one of the above Equal to unity Always more than unity Always less than unity Any one of the above Equal to unity Always more than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -135.8°C -56.6°C -77.7°C -75.2°C -135.8°C -56.6°C -77.7°C -75.2°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up Room sensible heat load only Room latent heat load only None of the listed here Both room sensible heat and latent heat loads Room sensible heat load only Room latent heat load only None of the listed here Both room sensible heat and latent heat loads ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is CO? Ammonia R-12 All of these CO? Ammonia R-12 All of these ANSWER DOWNLOAD EXAMIANS APP