Basic Welding Principles

What type of welding requires the use of an electrode in the form of wire spools?

• Stick
• MIG
• TIG
• OxyAcetylene

What type of welding does not require electrical power?

• MIG
• OxyAcetylene
• TIG
• Stick

What type of welding does not use a gas for the process?

• OxyAcetylene

• MIG

• TIG

• Stick

What do we call the device used to hold the electrode when welding?

• Holder

• Ground

• Clamp

• Contact tip

Which of these should not be worn while welding?

• helmet

• mask

• gloves

• shorts

Time when current is applied to the workpiece.

• Weld time

• Squeeze time

• Hold time

• Off period

Spot welding are most commonly used in

• Ships

• Automobiles

• Airplanes

• Rafts

The body structure of the car is welded by ______.

• Gas welding

• Spot welding

• Induction welding

• Arc welding

For proper eye protection when arc welding the minimum shade number should be

• 4

• 6

• 10

• 12

The welding area should be kept free of _____________.

• grease, fuels and solvents
• ultraviolet rays
• infrared rays
• electrodes