HVAC Excellence test

hvac-excellence-test

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Question 1 of 1

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125586

150

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Heat wich causes a change in temperature of a substance is called;

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125587

120

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Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process is called?

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125588

120

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Heat added to the refrigerant in a vapor state after the evaporation process is called;

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125589

120

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A scroll compressir move refrigerant by means of;

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125590

120

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The movement of heat by way of fluid (on air) is called;

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125591

120

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The movement of heat through a solid object is called;

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125595

120

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The standard unit for measuring the quantity of heat in a substance is;

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125596

120

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A refrigerant gives up heat when;

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125597

120

none

9. Why must refrigerant in the suction line be slightly warmer than the saturation temperature?

Select the correct answer(s).

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125598

120

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The state of the refrigerant in the suction line should be;

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125599

120

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The state of the refrigerant entering the condenser is;

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125600

120

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The evaporator;

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125601

120

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Which of the following is NOT a thermodynamic property of refrigerants?

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125602

120

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The sequential order of steps in the vapor - compression process are;

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125605

120

none

HVAC Excellence test

Question 1 of 1

Time Left

Heat wich causes a change in temperature of a substance is called;

Select the correct answer(s).

(0/0)

Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process is called?

Select the correct answer(s).

(0/0)

Heat added to the refrigerant in a vapor state after the evaporation process is called;

Select the correct answer(s).

(0/0)

A scroll compressir move refrigerant by means of;

Select the correct answer(s).

(0/0)

The movement of heat by way of fluid (on air) is called;

Select the correct answer(s).

(0/0)

The movement of heat through a solid object is called;

Select the correct answer(s).

(0/0)

The standard unit for measuring the quantity of heat in a substance is;

Select the correct answer(s).

(0/0)

A refrigerant gives up heat when;

Select the correct answer(s).

(0/0)

9. Why must refrigerant in the suction line be slightly warmer than the saturation temperature?

Select the correct answer(s).

(0/0)

The state of the refrigerant in the suction line should be;

Select the correct answer(s).

(0/0)

The state of the refrigerant entering the condenser is;

Select the correct answer(s).

(0/0)

The evaporator;

Select the correct answer(s).

(0/0)

Which of the following is NOT a thermodynamic property of refrigerants?

Select the correct answer(s).

(0/0)

The sequential order of steps in the vapor - compression process are;

Select the correct answer(s).

(0/0)

If a 30 pound cylinder of reclaimed R-410A refrigerant has been stored over night at 70 F, the pressure in the cylinder should be approximately;

Select the correct answer(s).

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