Epa Certification

Front 1

The Montreal Protocol was a Treaty to eventually phase out production and use of?

Back 1

CFC's and HCFC's

Front 2

A technician's role is to be:
Informed
Skilled
Certified
and in _____________.

Back 2

Compliance

Front 3

Ozone consists of how many Oxygen atoms?

Back 3

3

Front 4

Ground level Ozone smells just like it does after a rain and is good for you (True or False)

Back 4

False

Front 5

Do CFC's dissolve in water?

Back 5

No

Front 6

True or False. R410A is a direct replacement for R22.

Back 6

False

Front 7

What is the chemical makeup of R12?

Back 7

Chlorine. Fluorine, and Carbon

Front 8

What is the chemical makeup of R22?

Back 8

Hydrogen, Chlorine, Fluorine and Carbon

Front 9

The measurement of a refrigerants ability to destroy the ozone in the stratosphere is called?

Back 9

Ozone Depletion Potential

Front 10

Of the following refrigerants, which ones have an ODP?
R12, R22, R410A

Back 10

R12 and R22

Front 11

True or False. Azeotropic refrigerants are a blend of 2 or more refrigerants with different boiling points?

Back 11

False, Azeotropic blends have similar boiling points.

Front 12

When was the Clean Air Act enacted?

Back 12

July, 1993

Front 13

What are the 3 R's of the Clean Air Act?

Back 13

Recover, Recycle and Reclaim. Reclaimed refrigerant is restored to a purity set by ARI 700

Front 14

True or False: Empty refrigerant bottles can be used as air tanks and propane bottles.

Back 14

False

Front 15

True or False: Your company is responsible for being in compliance.

Back 15

False

Front 16

Zeotropic and Azeotropic refrigerants should be charged as a liquid.

Back 16

True

Front 17

Which EPA certifications covers systems with more then 50 pounds of charge.

Back 17

Type III and Universal

Front 18

Do Nitrogen tanks require regulators?

Back 18

Yes

Front 19

True or False: R22 and R410A can be recovered into the same cylinder.

Back 19

False

Front 20

True or False: A coil repair is considered a minor repair.

Back 20

False, You must recover the refrigerant before replacement.

Front 21

A small amount of _________ refrigerant may be added to nitrogen when leak checking and does not need to be recovered.

Back 21

R-22

Front 22

High or excessive superheat is usually a good indicator of a ___________ in high pressure systems.

Back 22

Leak

Front 23

True or False: Guage sets should have High Loss fittings or hand valves to minimize release when disconnected.

Back 23

False, Low loss fittings are required.

Front 24

After evacuating to the required level a pressure rise indicates what?

Back 24

Some refrigerant is still in the oil.

Front 25

What happens if you are using a large vacuum pump and it evacuates too quickly?

Back 25

You may cause all the moisture to freeze. A small nitrogen charge can be used to condense the frozen moisture.

Front 26

Phosgene gas forms when refrigerants are ____________.

Back 26

Heated

Front 27

Refrigerant recovered with strong pungent odor is a sign of a __________ compressor.

Back 27

Burnt

Front 28

What is the highest temperature that cylinders should be stored at?

Back 28

125 Degrees Fahrenheit

Front 29

A mechanical room must be equipped with ____________ when systems are installed.

Back 29

Refrigerant Monitors

Front 30

What is the measurement for Deep Vacuums.

Back 30

Microns

Front 31

Which method of recovery is quicker but results in loss of oil to the system?

Back 31

Liquid

Front 32

What benefit does Ozone provide in the stratosphere?

Back 32

Protects us from the Sun's UV Rays.

Front 33

What is the working capacity of a recovery drum?

Back 33

80%

Front 34

What type of Atoms are the most harmful to the ozone layer?

Back 34

Chlorine

Front 35

What does GWP stand for?

Back 35

Al Gore, Just kidding it's Global Warming Potential

Front 36

Do HFC's have a GWP?

Back 36

Yes

Front 37

What is one negative effect of Ozone Depletion?

Back 37

Skin Cancer
Crop damage
Global Warmen
Incresed Cadillac's
Better Suntan's
Foster Grant is in the black

Front 38

Definition of Recover?

Back 38

Remove refrigerant from a system into an approved container.

Front 39

Define Recycle?

Back 39

Recover, Clean it with filters, reuse in a system with same owner.

Front 40

Define Reclaim?

Back 40

Recover refrigerant and clean to a standard of purity set by ARI 700 for resale.

Front 41

What must be done with disposable refrigerant recovery tanks?

Back 41

Recover all refrigerant and render them useless.

Front 42

Type 1 recovery equipment must be able to recover ___% of the charge and ____" vacuum with a working compressor (80% with a non-working compressor)

Back 42

90%, 4 in. vacuum

Front 43

How is refrigerant removed from the oil of type 1 equipment?

Back 43

Compressor must be heated and struck to release trapped refrigerant.

Front 44

In Type 1 equipment, If compressor does not run. What needs to be done to facilitate recovery?

Back 44

The system needs to have access valves installed on High and Low sides.

Front 45

Can a vacuum pump be used for recovery?

Back 45

No

Front 46

When using a charging cylinder you must ________ any vapor that is vented from the top of the cylinder.

Back 46

Recover

Front 47

Checking the Pressure of a recovery cylinder can reveal whether there is _____ or Non-condensables in it.

Back 47

Air

Front 48

If pressure is _______. Do not recover the system.

Back 48

Zero

Front 49

______ check all access fittings before trying to recover.

Back 49

Leak

Front 50

If using piercing valves, they must be _______ after the repairs to avoid leaks.

Back 50

Removed

Front 51

Traces of oil may indicate a _______.

Back 51

Leak

Front 52

Comfort equipment containing more then 50 lbs of refrigerant must be repaired when the leak exceeds ____% per year.

Back 52

15

Front 53

Commercial refrigeration leak rate is ___% for cold storage equipment in restaurants, ice plants and supermarkets.

Back 53

35%

Front 54

Recovery cylinders should be _______.

Back 54

Evacuated