Deck 2: Environmental and Safety Practices

Question 1

Which refrigerant is used in most truck air conditioning systems?

A) R-12
B) R-22
C) R-502
D) R134a

Answer 1

D

Question 2

The ozone layer is located:

A) Between 1 to 3 miles (1.6 to 4.8 km) above the earth's surface
B) Between 0 and 7 miles (0 to 11 Km) above the earth's surface
C) Between 7 and 30 miles (11 to 48 km) above the earth's surface
D) Between 30 and 300 miles (48 to 482 km) above the earth's surface

Answer 2

C

Question 3

Which of the following refrigerants do not contain chlorine?

A) R-404a
B) R-502
C) R-22
D) R-12

Answer 3

A

Question 4

What color of container would you expect to find R-134a in?

A) White
B) Light Blue
C) Orange
D) Light Brown

Question 5

What regulation prevents the release of ozone depleting substances?

A) The Clean Air Act
B) The European Economic Community Act
C) The Environmental Protection Act
D) The Occupational Safety and Health Act

Question 6

Which of the following should be adhered to when working with refrigerant?

A) Always work in a well ventilated area
B) Never allow refrigerant vapors to come in contact with and open flame
C) Do not transport refrigerant in the passenger compartment of a vehicle
D) All of the above should be done

Question 7

Before a disposable refrigerant cylinder can be disposed of it:

A) Must be cleaned
B) Must be completely emptied of refrigerant
C) Must be filled with compressed air
D) Must be flushed with water

Question 8

How often must a refillable refrigerant cylinder be tested?

A) Every 3 years
B) Every 4 years
C) Every 5 years
D) Every 6 years

Question 9

When working with refrigerant cylinders which of the following should not be done?

A) Keep the outlet port of the refrigerant cylinder capped and the valve hood secured.
B) Open cylinder valves slowly, and close after every use.
C) Always store refrigerant cylinders in a horizontal position.
D) Never add a source of external heat to a refrigerant cylinder.

Question 10

Any person repairing or servicing motor vehicle air conditioning must be certified by:

A) Department of Transportation
B) The Ministry of Transportation
C) The Environmental Protection Agency
D) The Occupational Safety and Health Administration

Question 11

What year was the Montreal Protocol signed?

A) 1987
B) 1988
C) 1999
D) 2001

Question 12

The greenhouse effect:

A) Causes the atmosphere to trap more heat energy at the earth's surface
B) Is a naturally occurring process that helps to heat the earth's surface
C) Affected by the burning of carbon based fuels
D) All of the above statements are correct

Question 13

The health and environmental concerns caused by the breakdown of the ozone layer include:

A) Increase in skin cancers
B) Suppression of the human immune response system
C) Increase in cataracts
D) All of the above are correct

Question 14

If liquid refrigerant comes in contact with human tissue it:

A) Can freeze the skin on contact.
B) Can cause blindness.
C) Should be flushed from the skin with warm water or if eye contact is made eyes should be flushed with water for at least 15 minutes.
D) All of the above statements are true

Question 15

Which of the following products in not contained in a CFC refrigerant?

A) Chlorine
B) Fluorine
C) Carbon
D) Hydrogen