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6305 H&S LO4 Gases and Fires

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6305 H&S LO4 Gases and Fires
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas is stored in a cylinder with a blue color and uses a left hand thread direction?

Propane

Butane

Oxygen

Acetylene

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you see a gas cylinder with a maroon color, which gas does it most likely contain?

MAPP (mix)

Acetylene

Propane

Oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A technician needs to connect a gas cylinder with a right hand thread direction. Which gas should they expect to be using?

Propane

Butane

Oxygen

MAPP (mix)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Why is a flashback arrestor an important part of oxyacetylene equipment?

It measures gas pressure.

It prevents flames from traveling back into the hoses.

It controls the flow of gas to the torch.

It mixes oxygen and acetylene.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If propane is drawn off too quickly from its container, what is a likely consequence?

The gas will become lighter than air

The propane will turn into a solid

The valves can freeze

The CO₂ will dissipate quickly

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given that LPG is heavier than air, what is a potential risk if it leaks in a confined space?

It will rise and escape easily

It will mix with oxygen and become harmless

It will settle and increase the risk of fire or explosion

It will turn into a solid at room temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use leak detection fluid on joints when inspecting gas equipment?

To lubricate the joints for easier assembly

To identify potential gas leaks at the joints

To clean the equipment

To prevent rust formation

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