FREE ESCO EPA 608 Questions and Answers

Question 1

The use and release of CFCs and HCFCs has a far-reaching effect on ________.

Accepted Answer

the stratosphere

Answer

our transportation

Answer

heating equipment

Answer

our water supply

Question 2

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

Accepted Answer

Depletion of Stratospheric ozone

Answer

Depletion of Stratospheric nitrogen

Answer

Depletion of Stratospheric chlorine monoxide

Answer

Depletion of Stratospheric oxygen

Question 3

The chlorine in CFCs and HCFCs:

Accepted Answer

will not dissolve in water.

Answer

will dissolve in water.

Answer

will rain out of the atmosphere.

Answer

is heavier than air and cannot rise to the stratosphere.

Question 4

A refrigerant cylinder designed to hold recovered refrigerant has a:

Accepted Answer

grey body and yellow top.

Answer

yellow body and grey top.

Answer

green body and yellow top.

Answer

orange body and grey top.

Question 5

Before shipping any used refrigerant cylinders, what standards should be checked?

Accepted Answer

Department of Transportation

Answer

The Significant New Alternatives Policy (SNAP)

Answer

Underwriters Laboratories

Answer

All of the above

Question 6

Technicians who perform sealed-system service on small appliances must have:

Accepted Answer

Type I or Universal certification

Answer

Type I, II, or III certification.

Answer

Type II certification

Answer

A Universal 609 certification

Question 7

A small appliance is defined by the EPA as:

Accepted Answer

Appliances are manufactured, charged, and hermetically sealed in a factory that contains 5 lbs. or less of refrigerant.

Answer

Appliances are charged and hermetically sealed in a factory that contains 8 lbs or less of refrigerant.

Answer

Appliances are charged and hermetically sealed in a factory that contains 10 lbs or less of refrigerant.

Answer

Appliances with internal volumes no greater than 3 cubic feet.

Question 8

Which HC refrigerant is allowed for use in new domestic small appliances?

Accepted Answer

R-600a

Answer

R-404A

Answer

R-410a

Answer

R-717

Question 9

When using a system-dependent recovery system on an appliance that has an operating compressor, the technician should:

Accepted Answer

Run the compressor and recover from the high side of the system only.

Answer

Run the compressor and recover from the low side of the system only.

Answer

Install access fittings on both the high and low-pressure sides of the system.

Answer

Never allow the refrigerant to go to the high side of the system.

Question 10

After the refrigerant has been recovered, which of the following should be used to flush the system?

Accepted Answer

Nitrogen

Answer

R-22

Answer

Compressed air

Answer

Water