The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

Refrigeration and Air Conditioning
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

May be higher or lower depending upon the nature of non-condensable gases

Will be higher

Will be lower

Will remain unaffected

May be higher or lower depending upon the nature of non-condensable gases

Will be higher

Will be lower

Will remain unaffected

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Refrigeration and Air Conditioning
Highest pressure encountered in a refrigeration system should be

Much above critical pressure

Near critical pressure

Much below critical pressure

Critical pressure of refrigerant

Much above critical pressure

Near critical pressure

Much below critical pressure

Critical pressure of refrigerant

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Refrigeration and Air Conditioning
The alignment circle is marked on the psychrometric chart at

26°C DBT and 50% RH

20°C DBT and 60% RH

26°C DBT and 60% RH

20°C DBT and 50% RH

26°C DBT and 50% RH

20°C DBT and 60% RH

26°C DBT and 60% RH

20°C DBT and 50% RH

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Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

0.67

1.5

0.3

0.6

0.67

1.5

0.3

0.6

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Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Constant pressure cooling process

Isentropic compression process

Constant pressure expansion process

Isentropic expansion process

Constant pressure cooling process

Isentropic compression process

Constant pressure expansion process

Isentropic expansion process

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Refrigeration and Air Conditioning
The thermostatic expansion valve is used in ________ type of evaporators.

DX coil

Flooded

Dry

None of these

DX coil

Flooded

Dry

None of these

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be

Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at

Refrigeration and Air Conditioning In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during

Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators.

Refrigeration and Air Conditioning
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

Refrigeration and Air Conditioning
Highest pressure encountered in a refrigeration system should be

Refrigeration and Air Conditioning
The alignment circle is marked on the psychrometric chart at

Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

Refrigeration and Air Conditioning
In a reversed Brayton cycle, the heat is absorbed by the air during

Refrigeration and Air Conditioning
The thermostatic expansion valve is used in ________ type of evaporators.