Equipment, tools and prior knowledge (W2/4TH P)

The purpose of a fire watch is...

• Tell you to stop welding when there is a fire.

• Splash you with water when there is a fire.

• Observe you welding.

• To catch things on fire and watch them burn.

Oxygen bottles should never be stored ______________.

• in a well ventilated space

• in a secure location

• on its side

• secured so they won't fall over

The torch is held at a 45 degree angle when welding a T-Joint in horizontal position.

• True
• False

The welding area should be kept free of _____________.

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

When arc welding one should wear _______________.

• wool clothing
• cotton gloves
• a heavy coat
• tinted glasses

________________________________ is welding in which fusion is produced by heating with an arc between a consumable stick electrode and the workpiece.

• polarity
• surface welds
• resistance
• shielded metal arc welding

An __________ is a bare metal rod that is usually coated with chemical compounds called flux.

• electrode
• fillet weld
• electrons
• groove weld

What welding position is shown?

• 1G

• 1F

• 3G

• 1S

What does the 70 designate in a 7018 electrode?

• weld position

• polarity

• flux type

• tensile strength

Most SMAW electrodes are ______ inches in length.

• 10

• 12

• 14

• 16