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Welding and Cutting Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is acetylene commonly used for?

a)

As a food additive

b)

As a colorless gas widely used as a fuel and chemical building block

c)

As a cleaning agent

d)

As a cooling agent

2.

What is the process of brazing?

a)

Joining two pieces of base metal with a mechanical fastener

b)

Joining two pieces of base metal with a metal filler that flows across the joint and cools to form a solid bond

c)

Joining two pieces of base metal with glue

d)

Joining two pieces of base metal with a plastic filler

3.

What is a carburizing flame?

a)

A flame that burns at a high temperature and removes carbon from welds

b)

A flame that burns at a low temperature and can add extra carbon to welds

c)

A flame that burns at a medium temperature and adds oxygen to welds

d)

A flame that burns at a low temperature and removes oxygen from welds

4.

What is the function of a check valve?

a)

To allow gas to flow in only one direction

b)

To allow gas to flow in both directions

c)

To stop gas flow completely

d)

To increase gas pressure

5.

What is a cutting torch used for?

a)

To weld materials together

b)

To cut materials

c)

To polish materials

d)

To paint materials

6.

What is a flint style striker used for?

a)

To cut materials

b)

To weld materials

c)

To strike sparks from high carbon or alloyed steel

d)

To measure gas pressure

7.

What does gouging mean?

a)

To scoop or force something out of its position

b)

To weld two pieces of metal together

c)

To polish a surface

d)

To measure gas pressure

8.

What is an injector torch also called?

a)

A high-pressure torch

b)

A low-pressure torch

c)

An equal-pressure torch

d)

A variable-pressure torch

9.

What is a neutral flame?

a)

A flame with an excessive amount of oxygen

b)

A flame with an excessive amount of acetylene

c)

A flame in which the amount of oxygen is just enough for burning

d)

A flame with no oxygen

10.

What is the function of a non-return valve?

a)

To increase gas pressure

b)

To prevent shock waves from coming back up the hoses and entering the cylinder

c)

To allow gas to flow in both directions

d)

To stop gas flow completely

11.

What is an oxidizing flame?

a)

A flame with an excessive amount of acetylene

b)

A flame with an excessive amount of oxygen

c)

A flame with no oxygen

d)

A flame with a balanced amount of oxygen and acetylene

12.

What does PSI stand for?

a)

Pounds per square inch

b)

Pressure per square inch

c)

Pounds per square meter

d)

Pressure per square meter

13.

What is the primary use of a cutting torch?

a)

To weld materials

b)

To cut materials

c)

To measure gas pressure

d)

To polish materials

14.

What is the purpose of a flint style striker?

a)

To measure gas pressure

b)

To cut materials

c)

To strike sparks from high carbon or alloyed steel

d)

To weld materials

15.

What is the main characteristic of a neutral flame?

a)

It has an excessive amount of oxygen

b)

It has an excessive amount of acetylene

c)

It has just enough oxygen for burning

d)

It has no oxygen