Workplace Hazards

How many classes of fire extinguishers are there?

• 4

• 5

• 6

• None, they're are only types

A wood or paper burning fire would be...

• Class A

• Class Class C

• Class W

• Class B

When is an entry permit required?

• When entering a confined space

• When entering a hazardous confined space

• When entering an attic

• When working in a trench

How should shoring be installed?

• From the bottom up

• From the top down

• From the first end dug

• From the inside out

What is the smallest size of lumber used for a shoring upright?

• 4x4

• 4x6

• 2x8

• 2x10

Which shoring component runs horizontally across the shoring uprights?

• Walers

• Struts

• Screw Jacks

• Verticals

Which thermal illness is related to the extreme lack of heat?

• Heat Stroke

• Cold Stroke

• Hyperthermia

• Hypothermia

Which of the the following excavation protection would not involve a carpenter to install?

• Sloping

• Shoring

• Shielding

• Screwjacks

Which of these terms refers to the slope of an excavation wall?

• The angle of repose

• The angle of pitch

• The angle of spoils

• The angle of retraction

How far back from the edge of an excavation should spoil piles be?

• 1m

• 3m

• 10ft

• 2ft