HAZWOOPER 40 FINAL EXAM AND PRACTICE EXAM NEWEST
2025/2026 ACTUAL EXAM 600 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |A+ GRADED
The two elements of Hazwoper training for a general site worker engaged in
cleanup operations are - ANSWER-Offsite and onsite
Which might be a cause for additional training? - ANSWER-Employees may
be exposed to new hazards
A tailgate meeting should last about - ANSWER-10 to 15 min
Which of the following is a reason for a tailgate meeting? - ANSWER-
Addressing a current health or safety problem on the job
Unsafe work attitudes
Work practices that may cause an accident
topics relating to specific site requirements
OSHA requires that emergency responders at a TSD facility receive
additional training - ANSWER-True
A new employee at a TSD facility is required to have a minimum of 1 day
supervised field experience - ANSWER-False
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A good way to start a toolbox meeting - ANSWER-talk about broad safety
requirements
The most fatalities occur in trenches within the following range of depths -
ANSWER-5 to 15 feet
A cubic yard of soil may weigh up to - ANSWER-2700 lbs
The following is true of the difference between a trench and an excavation -
ANSWER-Only a trench must be deeper and longer than it is wide
Where trench work is taking place the competent person must be on site at
all time s - ANSWER-False
One of the most common failures in trenching is a failure in the belly of the
trench - ANSWER-True
Soil cannot be classified as type A if it has been previously disturbed -
ANSWER-True
Shoring is not necessarily required for trenches under five feet - ANSWER-
True
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When your trench is deeper than 4 feet and hazards may be present, air
monitoring must be done before entry - ANSWER-True
To be classified as Type A, the soil cannot be: - ANSWER-previously
disturbed
part of a mixed layered system
subject to vibration
seeping water
Which of the following is non an excavation myth? - ANSWER-If the trench
is deeper than 5 feet, you must shore or protect the excavation
What is the minimum distance allowed between a spoils pile and trenchs
edge? - ANSWER-2 ft
Trench or excavation inspections must be completed by a competent person
- ANSWER-Before work begins
A defining feature of stable rock is that it will - ANSWER-Remain intact while
exposed
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OSHA requires that the competent person perform one _________ and one
__________ test on a soil sample. - ANSWER-visual
manual
Type A soils are usually clays and cemented soils such as caliche and
hardpan - ANSWER-
Shores must be pumped to a minimum pf 750 pounds of pressure but more
is recommended. - ANSWER-True
Which of the following is true of kickout? - ANSWER-Side rails must extend
to within 2 feet of the bottom to prevent it
It occurs when soils at the bottom of the trench fall
It causes the loss of support along entire vertical soil matrix behind the shore
Aluminum hydraulic shoring permits both installation and removal without
entering the trench - ANSWER-True
In type C soil, the angle of repose is very low; how many degrees must the
angle be? - ANSWER-34 degrees
Which soil type is the most common? - ANSWER-Type B