PRACTICE QUESTIONS AND
VERIFIED ANSWERS 2026/2027
UPDATE
A ladder should extend a minimum of _____ above the top of a trench or
excavation.
1'
According to OSHA, shoring lumber shall be ____.
Select structural
Cal/OSHA inspectors cannot, under most circumstances:
Enter a business outside of normal business hours.
Every employer is required to post Material Safety Data Sheets:
On each job site
Handrails must be installed on all open side of a scaffold if workers are subject
to falls of _____ or more.
5'
When boom-type equipment is in operation, how close can it be to high
voltage power lines?
10'
How should you store oily mops or rags at the job site?
In a closed metal container.
If a Cal/OSHA inspector is coming to inspect a job site, it is best for the
contractor to:
Personally walk through the job site and check the work.
In most cases, a crane cannot lift more than ____% of its capacity. Always
consult the manufacturer's operations manual and all applicable codes before
using a crane and never attempt to use one without being thoroughly trained
and certified to operate the crane.
75%
In stable soil, a trench that is ____ or deeper requires shoring.
, 5 feet
On a construction site, flammable liquids can be found in ____ containers.
Red
Prior to erecting scaffolding, it is best to consult the:
Construction Safety Orders
The rule of thumb that is used when digging a trench near another excavation
is that the horizontal distance from the trench to the excavation is no less
than:
The depth of the trench
What agency requires Material Safety Data Sheets?
Cal/OSHA
What is MSDS?
Material Safety Data Sheets
What is painted red on a construction site?
Flammable substances
What is the danger of LP gas?
It collects near the floor
When boom-type equipment is in transit, how close can it be to high voltage?
6'
What is the minimum grade lumber which may be used for trench shoring?
#2 Douglas fir
What is the minimum safe distance required for people working near high
voltage power lines?
6'
When backing up a truck at a construction site you should:
Sound the automatic backup alarm or bells
When should you report an occupational injury on cal/OSHA Form 5020?
When medical help beyond first aid is required.
When welding in confined spaces, the main danger is_____.
Too many fumes
When welding, your gloves should be:
Made of heavy leather hide
When you are working on or near an electrical service panel, what should you
assume?