The boiling point of ammonia is

Refrigeration and Air Conditioning
The boiling point of ammonia is

-10.5°C

-30°C

-33.3°C

-77.7°C

-10.5°C

-30°C

-33.3°C

-77.7°C

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The material of pipe lines for a system using Freon as a refrigerant should be

Aluminium

Copper

Brass

Steel

Aluminium

Copper

Brass

Steel

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Degree of saturation or percentage humidity is

The mass of water vapour present in 1 kg of dry air

The mass of water vapour present in 1 m³ of dry air

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure

The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure

The mass of water vapour present in 1 kg of dry air

The mass of water vapour present in 1 m³ of dry air

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure

The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Coefficient of performance of refrigeration

Refrigerating efficiency

Coefficient of performance of heat pump

Relative coefficient of performance

Coefficient of performance of refrigeration

Refrigerating efficiency

Coefficient of performance of heat pump

Relative coefficient of performance

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Relative humidity

Specific humidity

Dry bulb temperature

Wet bulb temperature

Relative humidity

Specific humidity

Dry bulb temperature

Wet bulb temperature

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The specific humidity during humidification process

Increases

Decreases

Remains constant

None of these

Increases

Decreases

Remains constant

None of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning

Refrigeration and Air Conditioning The boiling point of ammonia is

Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be

Refrigeration and Air Conditioning Degree of saturation or percentage humidity is

Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Refrigeration and Air Conditioning During humidification process, __________ increases.

Refrigeration and Air Conditioning The specific humidity during humidification process

Refrigeration and Air Conditioning
The boiling point of ammonia is

Refrigeration and Air Conditioning
The material of pipe lines for a system using Freon as a refrigerant should be

Refrigeration and Air Conditioning
Degree of saturation or percentage humidity is

Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Refrigeration and Air Conditioning
The specific humidity during humidification process