Excavation Foreman BOARD EVALUATION
2026 GUARANTEED PASS ANSWERS
GRADED A+
● To be classified as type A, the soil cannot be Answer: All of the above
(disturbed, part of a mixed layered system, subject to vibration, seeping
water
● When your trench is deeper than 4 ft and hazards may be present, air
monitoring must be done before entry Answer: True
● A soil cannot be Type A if it is: Answer: All of the above
● Which of the following are common soil classification tests? Answer:
All except C
● A soils are usually clay and cemented soils such as caliche and
hardpan Answer: True
● Each of the following is Type B soil EXCEPT: Answer: Sand
● The definition of type C-60 soil is provided by manufactures to allow
the competent person an opportunity to use vertical shores or other
, protective systems in accordance with tables provided by the
manufacture Answer: True
● The most important distinction b/w stable rock types A&B and type C
is: Answer: Degree of stability
● A defining feature of stable rock is that it will: Answer: Remain intact
while exposed
● OSHA requires that the competent person perform two visual and two
manual test on a soil sample fresh out of the ground and not impacted by
weather conditions at the site Answer: False
● Aluminum hydraulic shoring permits both installation and removal
without entering the trench Answer: True
● Shores must be pumped to a minimum of 750 pounds of pressure but
more is recommended Answer: True
● Type B soils afford how many options of protection? Answer: Four
● Which soil type is the most common? Answer: Type B
2026 GUARANTEED PASS ANSWERS
GRADED A+
● To be classified as type A, the soil cannot be Answer: All of the above
(disturbed, part of a mixed layered system, subject to vibration, seeping
water
● When your trench is deeper than 4 ft and hazards may be present, air
monitoring must be done before entry Answer: True
● A soil cannot be Type A if it is: Answer: All of the above
● Which of the following are common soil classification tests? Answer:
All except C
● A soils are usually clay and cemented soils such as caliche and
hardpan Answer: True
● Each of the following is Type B soil EXCEPT: Answer: Sand
● The definition of type C-60 soil is provided by manufactures to allow
the competent person an opportunity to use vertical shores or other
, protective systems in accordance with tables provided by the
manufacture Answer: True
● The most important distinction b/w stable rock types A&B and type C
is: Answer: Degree of stability
● A defining feature of stable rock is that it will: Answer: Remain intact
while exposed
● OSHA requires that the competent person perform two visual and two
manual test on a soil sample fresh out of the ground and not impacted by
weather conditions at the site Answer: False
● Aluminum hydraulic shoring permits both installation and removal
without entering the trench Answer: True
● Shores must be pumped to a minimum of 750 pounds of pressure but
more is recommended Answer: True
● Type B soils afford how many options of protection? Answer: Four
● Which soil type is the most common? Answer: Type B
