Guiding Principles for HVACR Service Technicians Concepts Flashcards

1
Q

Recovery is a process in which a refrigerant is​ _____.

A

removed and stored

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2
Q

A person must have EPA certification to​ _____.

A

buy or use refrigerant

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3
Q

Releasing refrigerants to the atmosphere is​ _____.

A

prohibited by federal law

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4
Q

Before starting work on a​ building, a contractor must apply for a​ ______.

A

permit

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5
Q

An ERV uses cooled or heated air exiting the building to​ _____.

A

​pre-condition fresh air being forced into the occupied space

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6
Q

Before attempting to restart the burner when servicing an oil​ furnace, what can you do to avoid a possible​ explosion?

A

Allow accumulated oil to vaporize and leave the chamber.

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7
Q

Which of these companies is most likely to install HVACR equipment during the construction of a large office​ building?

A

Mechanical contractor

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8
Q

What program identifies energy efficient products and​ designs?

A

ENERGY STAR

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9
Q

A person who handles refrigerants must pass a written examination to become certified by which​ organization?

A

EPA

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10
Q

An important difference between codes and standards is​ that_______.

A

codes are enforced by law

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11
Q

Which of the following produces carbon​ monoxide?

A

Furnaces burning natural gas or propane

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12
Q

To be resold to other​ customers, a refrigerant must have been​ _____.

A

reclaimed

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13
Q

Mandatory directives that regulate construction are called​ _____.

A

building codes

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14
Q

According to OSHA​ regulations, technicians must use personal fall protection equipment when working at heights above​ ____.

A

​6’ (1.8​ m)

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15
Q

The size of HVACR equipment has no impact on the LEED certification standards.

A

FALSE

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