Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Corrosion of whole system High power consumption Freezing automatic regulating valve Ineffective refrigeration Corrosion of whole system High power consumption Freezing automatic regulating valve Ineffective refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Sub-cooling or under-cooling Super-cooling Normal cooling None of the listed here Sub-cooling or under-cooling Super-cooling Normal cooling None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. DX coil None of these Flooded Dry DX coil None of these Flooded Dry ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Superheated vapour Saturated liquid Dry saturated vapour Wet vapour Superheated vapour Saturated liquid Dry saturated vapour Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Liquid Wet vapour Saturated liquid Sub-cooled liquid Liquid Wet vapour Saturated liquid Sub-cooled liquid ANSWER DOWNLOAD EXAMIANS APP