Welding

What is one reasons to use oxy-fuel welding?

• High Cost
• Not Protable
• Fast Process
• No Electricity Required

You have began to heat two pieces of metal when should you move forward?

• When the two puddles coalesce
• When both pieces get hot
• When both pieces turn red
• When its time

What is a neutral flame?

• A working flame
• an oxidizing flame
• A carbonizing flame
• A cutting flame

_______ is a difference between oxygen and acetylene tank.

• Oxygen tank is hallow and acetylene is not. 
• Oxygen tank is NOT hollow
• Acetylene is stable. 
• Oxygen tank is red. 

T or F: Cylinders with compressed gas can be dangerous so we always chain cylinders to the wall or the cart.

• True
• False

What is the difference between a cutting torch and a welding tip?

• One is used to weld, and the other is used to cut
• A cutting torch uses oxygen and a welding tip does not. 
• A welding tip uses oxygen and a cutting torch does not.
• They both use oxygen

What is the difference between a cutting torch and a welding tip?

• A cutting torch uses oxygen and a welding tip does not.
• A cutting torch uses acetylene and a welding tip does not. 
• One is for cutting and the other for welding.
• One of them attaches to the torch handle the other doesn't

How much pressure should the regulator read for oxygen and acetylene when welding?

• Oxygen 25 Acetylene 10
• Oxygen 30 and Acetylene 10
• Oxygen 15 and Acetylene 7
• Oxygen 10 and Acetylene 7

What is PSI

• Pressure per Square Inch
• Pressure per Surface Inside
• Pause per square inch
• Pause per surface inside 

What are the TWO types of flames other than neutral flame?

• Carbon and Oxygen
• Carburizing and Oxidizing
• Good Flame
• Working Flame and Neutral Flame