Welding and Cutting Quiz

What is acetylene commonly used for?

• As a food additive

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

• As a cleaning agent

• As a cooling agent

What is the process of brazing?

• Joining two pieces of base metal with a mechanical fastener

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

• Joining two pieces of base metal with glue

• Joining two pieces of base metal with a plastic filler

What is a carburizing flame?

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

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

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

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

What is the function of a check valve?

• To allow gas to flow in only one direction

• To allow gas to flow in both directions

• To stop gas flow completely

• To increase gas pressure

What is a cutting torch used for?

• To weld materials together

• To cut materials

• To polish materials

• To paint materials

What is a flint style striker used for?

• To cut materials

• To weld materials

• To strike sparks from high carbon or alloyed steel

• To measure gas pressure

What does gouging mean?

• To scoop or force something out of its position

• To weld two pieces of metal together

• To polish a surface

• To measure gas pressure

What is an injector torch also called?

• A high-pressure torch

• A low-pressure torch

• An equal-pressure torch

• A variable-pressure torch

What is a neutral flame?

• A flame with an excessive amount of oxygen

• A flame with an excessive amount of acetylene

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

• A flame with no oxygen

What is the function of a non-return valve?

• To increase gas pressure

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

• To allow gas to flow in both directions

• To stop gas flow completely