EPA 608 Type 3

EPA 608 Type 3

10th Grade

15 Qs

quiz-placeholder

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EPA 608 Type 3

EPA 608 Type 3

Assessment

Quiz

Science

10th Grade

Practice Problem

Medium

NGSS
HS-LS2-7, HS-PS1-4, HS-ETS1-3

+2

Standards-aligned

Created by

Lisa Thompson

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When you are finished with a disposable refrigerant cylinder you should

dispose of it in a construction dumpster

refill it again as long as you do not use a CFC

recover any refrigerant, render the cylinder unusable, and properly dispose of it

use it as an air tank

Tags

NGSS.HS-LS2-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When brazing or exposing refrigerants to open flames or red hot metal,

R-12 and R-22 can form a phosgene gas.

R-12 and R-22 can form hydrochloric and hydroflouric acids

ensure you are in a well ventilated area.

All of the above

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When using system dependent (passive) recovery, the EPA requires

80% of the refrigerant to be removed if the compressor is operating

80% of the refrigerant to be removed if the compressor is not operating.

90% of the refrigerant to be removed if the compressor is not operating

70% of the refrigerant to be removed if the compressor is operating

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following refrigerants must be recovered with a current recovery system?

R-12 CFC

R-502 azeotrope

R-717 ammonia

R-22 HCFC

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

While recovering refrigerant, why is it necessary to install a piercing valve on both the high and the low side of a small appliance that has an inoperative compressor?

It will help drain the oil out of the system while recovering the refrigerant.

It will help decrease the rate of refrigerant evaporating

It is just a waste of time and is not necessary at all

It will decrease the time of the refrigerant recovery

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which refrigerant is the closest match to R-12 on your pressure temperature chart?

R-22

R-134a

R-502

R-124

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If after you install piercing valves on a sealed system you connect your manifold gauges and read 0 psig.

Do not begin the recovery process

You should pressure test the system

Report to the EPA that someone must have vented the refrigerant

Recover as you normally

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