Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be All of these Water temperature being high Dirty condenser surface Lack of cooling water All of these Water temperature being high Dirty condenser surface Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these Work done by compressor Enthalpy increase in compressor Heat of compression All of these Work done by compressor Enthalpy increase in compressor Heat of compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vertical and uniformly spaced lines on a psychrometric chart indicates Specific humidity Dew point temperature Wet bulb temperature Dry bulb temperature Specific humidity Dew point temperature Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor for a cooling coil Increases with increase in velocity of air passing through it Decreases with increase in velocity of air passing through it May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering Remains unchanged with increase in velocity of air passing through it Increases with increase in velocity of air passing through it Decreases with increase in velocity of air passing through it May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering Remains unchanged with increase in velocity of air passing through it ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant decreases remains same depends on other factors increases decreases remains same depends on other factors increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Maintains different temperatures in evaporator in proportion to load None of these Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load None of these Ensures the evaporator completely filled with refrigerant of the load Is suitable only for constant load systems ANSWER DOWNLOAD EXAMIANS APP