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EPA 608 Certification > Practice Exam I > Flashcards

Practice Exam I Flashcards

1
Q

Crop loss, eye disease, and skin cancer have been attributed to:

A

Depletion of stratospheric ozone

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2
Q

The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for:

A

leak testing

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3
Q

The chlorine in CFC’s and HCFC’s:

A

Will not dissolve in water

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4
Q

HCFC’s contain:

A

Hydrogen, Chlorine, Fluorine, and Carbon

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5
Q

Which ASHRAE classification means slightly flammable?

A

A2L

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6
Q

The condenser

A

changes a high -pressure vapor to a high pressure liquid

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7
Q

Before shipping any used refrigerant cylinders, check that the cylinder meets what standards:

A

Department of transportation.

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8
Q

A single chlorine atom can destroy how many ozone molecules?

A

100,000

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9
Q

The compressor

A

Changes a low pressure vapor to a high pressure vapor

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10
Q 
Which of the following has the highest Ozone Depletion Potential:
HFO's
HCFC's
HFC's
CFC's
A

CFC’s

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11
Q

Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants?

A

HFO’s

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12
Q

A refrigerant cylinder designed to hold recovered refrigerant has a:

A

grey body and yellow top

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13
Q

How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act?

A

$44,539

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14
Q

Clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers, is the definition of:

A

Recycle

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15
Q

To process refrigerant to a level equal to new (virgin) product specification sas determined by chemical analysis defines:

A

Reclaiming

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16
Q 
Which of the following refrigerants is an HFO?
r22
r134a
r410a
r1234ze
A

r1234ze

17
Q

An ozone molecule contains:

A

Three oxygen atoms

18
Q

Which international agreement Treaty regulated the production and us of CFC’s, HCFCs, halons, methyl chloroform and carbon tetrachloride?

A

Montreal Protocol

19
Q

The molecule found in CFCs and HCFCs that deplets ozone is:

A

Chlorine

20
Q

Which of the following refrigerant has a GWP closest to 1?

A

R-1233zd

21
Q

Which type of refrigerant contains no chlorine?

A

HFCs

22
Q

Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for:

A

Disposable cylinders

23
Q

HFCs______________

A

will not damage stratospheric ozone, but have a high GWP

24
Q

What is the significant New Alternatives Policy(SNAP) Program?

A

EPA’s program that id’s refrigerants with lower overall risks to human health and the environment.

25
Q

Reusable refrigerant containers under high pressure must be hydrostatically tested how often?

A

5 years

EPA 608 Certification (5 decks)

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