Free C-20 Practice Quiz: Take our 2019 exam, see where you stand! - California.USTradeTest.com

A chiller refrigerates which of the following?

Carbon dioxide

Circulating air

Circulating water

Nitrogen

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26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Why should a drip leg be installed?

To catch excess gas

To control amount of air

To control input of gas

To collect moistur

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27% of your exam consist of Fabrication, Installation, & Startup questions. Call us at (866) 685 8564 for a free consultation.

What is the function of a thermocouple in a gas furnace?

It is a safety control for the fan

It is a safety device for electronic ignition systems

It is a safety device that controls the thermostat

It is a safety device that confirms the existence of a pilot flame

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22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

A packaged water source heat pump eliminates which of the following components?

Air-cooled condenser

Capacitor

Evaporator

Reversing valve

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27% of your exam consist of Fabrication, Installation, & Startup questions. Call us at (866) 685 8564 for a free consultation.

Reclaimed refrigerants shall not be reused in a different owners equipment unless tested and found to meet the purity requirements of__________.

ARI 700

ASHRAE 34

ASTM A53

NDPA 54

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

What is the amount of heat energy required to evaporate 1 pound of water?

370 btu

570 btu

770 btu

970 btu

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26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Pressure on the high pressure side of a mechanical refrigeration unit is called __________.

Absolute pressure

Differential pressure

Discharge or head pressure

Suction pressure

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22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

In an air conditioning and refrigeration system, what occurs in an evaporator?

Latent heat is condensed

Latent heat is released

The refrigerant absorbs the latent heat

The refrigerant evaporates latent heat

Correct! Wrong!

22% of your exam consist of Troubleshooting, Repair, and Maintenance questions. Call us at (866) 685 8564 for a free consultation.

An appliance rated at 75.000 BTHU imput must be placed in a room containing a minimum of __________cubic feet in order to be in an unconfined space.

1875

3750

7500

15000

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25% of your exam consist of Safety questions. Call us at (866) 685 8564 for a free consultation.

A customer moves up from an 8 SEER air conditioner to a 13 SEER air conditioner. What would his yearly savings be if he was paying $650 per year for air conditioning.

$197

$250

$267

$325

Correct! Wrong!

26% of your exam consist of Evaluation, Design, and Estimation questions. Call us at (866) 685 8564 for a free consultation.

Free C-20 Practice Quiz: Take our 2019 exam, see where you stand!

FAIL - You did not pass the trade portion of the C-20 HVAC practice exam.

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A chiller refrigerates which of the following?

Why should a drip leg be installed?

What is the function of a thermocouple in a gas furnace?

A packaged water source heat pump eliminates which of the following components?

Reclaimed refrigerants shall not be reused in a different owners equipment unless tested and found to meet the purity requirements of__________.

What is the amount of heat energy required to evaporate 1 pound of water?

Pressure on the high pressure side of a mechanical refrigeration unit is called __________.

In an air conditioning and refrigeration system, what occurs in an evaporator?

An appliance rated at 75.000 BTHU imput must be placed in a room containing a minimum of __________cubic feet in order to be in an unconfined space.

A customer moves up from an 8 SEER air conditioner to a 13 SEER air conditioner. What would his yearly savings be if he was paying $650 per year for air conditioning. ​

Click Here to take the Law & Business exam

Click Here to take the Law & Business exam

A customer moves up from an 8 SEER air conditioner to a 13 SEER air conditioner. What would his yearly savings be if he was paying $650 per year for air conditioning.