Refrigeration

refrigeration

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Question 1 of 1

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315951

120

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The high pressure in the condenser is maintained by the:

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315952

120

none

The coefficient of performance is the ratio of the amount of heat absorbed from the refrigerated medium by the to the amount of ________:

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315953

120

none

How many tonnes of refrigeration would be accomplished if 251 244 kJ were removed in 24 hours?

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315954

120

none

The low pressure in the evaporator is maintained by the:

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315955

120

none

The loss of heat from a substance will cause its temperature to drop, the heat removed from the substance is:

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315956

120

none

The liquid refrigerant Freon-12, subjected to atmospheric pressure (100.4 kPa abs, 14.56 psi), boils at:

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315957

120

none

After leaving the compressor as a high-pressure vapour, the refrigerant can be exposed to air or water temperatures in a heat exchanger, called a:

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315958

120

none

The boiling point of a liquid is raised by _____.

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315959

120

none

Which value is correct for 1 tonne of refrigeration

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315961

120

none

How many tons of refrigeration would be accomplished if 251,244 kj were removed in one hour?

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315962

120

none

Moisture in the refrigerant may lead to:

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315963

120

none

Which one of the following factors affect the leakage tendency of a refrigerant?

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315964

120

none

Liquid refrigerants absorb heat by evaporating at a low temperature and pressure and then give up that heat by _____ at a higher temperature and pressure.

Select the correct answer(s).

(0/0)

315965

120

none

The saturation temperature (boiling/condensing temperature) of a liquid in a closed vessel can be raised or lowered by altering the _____ the vessel.

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315967

120

none

In an ideal situation the refrigerating effect of a refrigerant is equal to the _____ of the refrigerant.

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Explanation

The Latent Heat of fusion is the amount of thermal energy (see note below) required to cause a a liquid to freeze (by taking that much heat out) or a solid to melt (by putting that much heat in). Latent heat of fusion is actually the total amount of entha

Refrigeration

Question 1 of 1

Time Left

The high pressure in the condenser is maintained by the:

Select the correct answer(s).

(0/0)

The coefficient of performance is the ratio of the amount of heat absorbed from the refrigerated medium by the __________ to the amount of __________________:

Select the correct answer(s).

(0/0)

How many tonnes of refrigeration would be accomplished if 251 244 kJ were removed in 24 hours?

Select the correct answer(s).

(0/0)

The low pressure in the evaporator is maintained by the:

Select the correct answer(s).

(0/0)

The loss of heat from a substance will cause its temperature to drop, the heat removed from the substance is:

Select the correct answer(s).

(0/0)

The liquid refrigerant Freon-12, subjected to atmospheric pressure (100.4 kPa abs, 14.56 psi), boils at:

Select the correct answer(s).

(0/0)

After leaving the compressor as a high-pressure vapour, the refrigerant can be exposed to air or water temperatures in a heat exchanger, called a:

Select the correct answer(s).

(0/0)

The boiling point of a liquid is raised by _____.

Select the correct answer(s).

(0/0)

Which value is correct for 1 tonne of refrigeration

Select the correct answer(s).

(0/0)

How many tons of refrigeration would be accomplished if 251,244 kj were removed in one hour?

Select the correct answer(s).

(0/0)

Moisture in the refrigerant may lead to:

Select the correct answer(s).

(0/0)

Which one of the following factors affect the leakage tendency of a refrigerant?

Select the correct answer(s).

(0/0)

Liquid refrigerants absorb heat by evaporating at a low temperature and pressure and then give up that heat by _____ at a higher temperature and pressure.

Select the correct answer(s).

(0/0)

The saturation temperature (boiling/condensing temperature) of a liquid in a closed vessel can be raised or lowered by altering the _____ the vessel.

Select the correct answer(s).

(0/0)

In an ideal situation the refrigerating effect of a refrigerant is equal to the _____ of the refrigerant.

Select the correct answer(s).

(0/0)

Explanation

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Rate Quiz

The coefficient of performance is the ratio of the amount of heat absorbed from the refrigerated medium by the to the amount of ________: