NOCTI Practice

A Class A fire extinguisher can be safely used on a/an ... fire/

• Wood

• Grease

• Electrical

• Magnesium

When welding in a confined space, the welder must have..

• All Equipment in the confined space

• A second welder inside the space

• an approved breathing device

• a watchperson outside the space

On an OFC set up, the hose with the righthanded thread fitting connects to which gas?

• acetylene

• argon

• oxygen

• C-25

which of the following is a ferrous metal?

• Aluminum

• Mild steel

• Copper

• Lead

Welding With Intermittent Welds on both sides of a tee joint will result in

• controlling distortion over the entire joint

• putting too little heat in the joint for a successful weld

• putting too much heat in the joint for a successful weld

• controlling the atmosphere around the metal on both sides of the joint

The ability of a metal to withstand shock loading is known as its

• Toughness

• Hardness

• Ductility

• Malleability

Ductility is a term used to describe what mechanical property in metals?

• Ability to resist penetration

• Ability to withstand impact

• Ability to stretched and formed

• Ability to withstand corrosion

In the graphic, the part of the grooved weld known as the toe is the part labeled number

• 1

• 2

• 3

• 4

Which of the following welds aligns two metal pieces approximately in the same plane?

• Butt joint

• Lap Joint

• Corner Joint

• T- Joint

What type of weld discontinuity is indicated by the arrow in the figure below

• Transverse crack

• Toe Crack

• Carter Crack

• Underbead Crack