Preview Quiz

At what height does a worker need fall protection

• 6'

• 5'

• 4'

• 10'

Water flow to control silica-containing dust is considered

• Engineering Control

• Administrative Control

• Personal Protection

• A good idea

Speed of soil during a cave-in:

• 55

• 45

• 60

• 100

OSHA states the exposure limit to take action on Silica is

• 50 micrograms per cubic meter of air

• 25 micrograms per cubic meter of air

• 75 micrograms per cubic meter of air

• 100 micrograms per cubic meter of air

An authorized employee is someone that does not actually perform the LOTO but works around the equipment

• True

• False

OSHA regulates Confined Spaces as Excavations

• True

• False

Hydrogen Sulfide is an odorless, colorless gas that accumulates towards the top of the space

• True

• False

The required slope in a trench for Class C soil is

• 43 degrees

• 45 degrees

• 34 degrees

• 57 degrees

The spoil pile must be set back _______ from the edge of the trench.

• 1'

• 2'

• 3'

• 4'

The crushing weight of soil is approximately 3,000 lbs per cubic yard

• True

• False