AM NOCTI Review

When putting out a fire involving oily rags, use a ___ extinguisher.

• Class A

• Class B

• Class C

• Class D

A person with a serious electrical injury should be moved ____.

• as soon as possible.

• as soon as the power is turned off.

• only if they are in immediate danger.

• only by paramedics.

The government organization that sets and enforces worksite safety and health standards is___.

• OPM

• EEOC

• BBB

• OSHA

Which of the following should be stored in metal containers for safety measures?

• metal scraps

• welding equipment

• sharp tools

• flammable materials

In GMAW, _____ or CO₂ is added to shielding gas to improve arc stability and weld puddle fluidity.

• oxygen

• nitrogen

• hydrogen

• helium

Most oxyfuel welding uses a combination of oxygen and

• propane

• acetylene

• hydrogen

• carbon

On a grinding wheel, the abrasive grain type is indicated by a ___?

• number

• letter

• color

• symbol

Which of the following plastics can be welded?

• vulcanized rubber

• celluloid

• melamine resin

• polyimides

Factors that determine weld quality are speed of travel, position of the electrode, and ___.

• type of tip and cone

• length of the current

• length of the arc

• welding position

A wheel with a radius of 5' is turning and produces a force of 600lbs. What is the torque?

• 120 pound feet

• 595 pound feet

• 605 pound feet

• 3000 pound feet