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Line Freezing

Total questions: 12

Worksheet time: 24mins

Name
Class
Date
1.

The General "Cold Shot" gas freeze kit can freeze piping in what pipe size range?

a)

1/8"-2"

b)

1"-2"

c)

1/2"-3"

d)

1/2"- 2-1/2"

2.

What type of cylinder does the General "Cold-Shot kit" use?

a)

B-tank

b)

Dewey flask cylinder

c)

Dip-tube cylinder

d)

Double containment vacuum seal cylinder

3.

What temperatures does the General "Cold-Shot" freeze kit produce?

a)

0 degrees F

b)

0 degrees C

c)

-32 degrees F

d)

-110 degrees F

4.

What type of cryogenic substance does the General "Cold-shot" freeze kit use?

a)

Liquid Nitrogen

b)

Liquid Helium

c)

Liquid CO2

d)

Liquid N2O

5.

Per the manufacturer's video what pressure can the ice pack withstand using a General Cold-Shot kit?

a)

100 psi

b)

150 psi

c)

300 psi

d)

7000 psi

6.

When using the General Cold-shot the freeze heads must be placed at least_____________ inches apart.

a)

24

b)

10

c)

12

d)

36

7.

How does the Ridgid Super Freeze kit work?

a)

It uses refrigerant to transfer heat from the pipe to the air

b)

Magic and Ice Fairies

c)

Cryogenic gases

d)

It utilizes the heat transfer properties of water and glycol

8.

What do you put on the pipe before you begin your freeze, when using a Ridgid Super-freeze kit?

a)

Pipe dope

b)

Water mist

c)

Cooling gel

d)

Rubbing alcohol

9.

Please select ALL the conditions that would adversely impact your ability to freeze a pipe or impact the time required to produce an ice plug.

a)

Hot water

b)

Flowing or circulating water

c)

Large diameter piping

d)

Ambient air temperature in the work environment

10.

What type of PPE must be worn while freezing a pipe.

a)

Safety glasses

b)

Gloves

c)

Hard hat

d)

Steel-toe boots

e)

Ear plugs

11.

What tool is used to determine the concentration of glycol in a mechanical piping system?

a)

Hydrometer

b)

Refractometer

c)

Light Spectrometer

d)

Flux Capacitor

12.

Is it possible to freeze a pipe with glycol in the system?

a)

Yes

b)

No