Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Fluorine Carbon dioxide Sulphur dioxide Ammonia Fluorine Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant All of these Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative humidity lines on a psychrometric chart are Curved lines Vertical and uniformly spaced Horizontal and non-uniformly spaced Horizontal and uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and non-uniformly spaced Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Same in winter and summer Lower in winter than in summer Higher in winter than in summer Not dependent on season Same in winter and summer Lower in winter than in summer Higher in winter than in summer Not dependent on season ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input 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 Specific humidity Moist air Dry air Saturated air Specific humidity Moist air Dry air Saturated air ANSWER DOWNLOAD EXAMIANS APP