Excavation and Trenching Test
Questions and Correct Answers 2025-
2026 Set.
The Site Competent Person - Answer ______ is one who is capable of identifying existing and
predictable hazards in the surroundings or working conditions, which are unsanitary, hazardous,
or dangerous to employees, and who has authorization to take prompt corrective measures to
eliminate them.
2700 - Answer A cubic yard of dirt weighs approximately _____ pounds.
Bottom - Answer The greatest amount of soil pressure is exerted near the _____ of the
excavation.
62 - Answer The weight of a cubic foot of water is approximately _____ pounds.
2 - Answer A spoil pile must be kept at least ___ feet from the edge of all excavations.
25 - Answer Ladders are to be present every ___ feet along all excavations, unless there is
another means provided, such as a ramp or steps, to serve as a means of egress.
Shoring - Answer A framework of wood or metal braces using uprights members, whales, and
stringers is known as ____.
Instability - Answer Water, Course grains of sand gravel, or silt, and fissures are all a sign of soil
_____.
Stable Rock - Answer _____ is described as natural soil mineral matter.
Type A - Answer ____ does not contain fissures.
False - Answer True or False: Type C soil is a cohesive soil containing fine grains that won't
crumble.
Questions and Correct Answers 2025-
2026 Set.
The Site Competent Person - Answer ______ is one who is capable of identifying existing and
predictable hazards in the surroundings or working conditions, which are unsanitary, hazardous,
or dangerous to employees, and who has authorization to take prompt corrective measures to
eliminate them.
2700 - Answer A cubic yard of dirt weighs approximately _____ pounds.
Bottom - Answer The greatest amount of soil pressure is exerted near the _____ of the
excavation.
62 - Answer The weight of a cubic foot of water is approximately _____ pounds.
2 - Answer A spoil pile must be kept at least ___ feet from the edge of all excavations.
25 - Answer Ladders are to be present every ___ feet along all excavations, unless there is
another means provided, such as a ramp or steps, to serve as a means of egress.
Shoring - Answer A framework of wood or metal braces using uprights members, whales, and
stringers is known as ____.
Instability - Answer Water, Course grains of sand gravel, or silt, and fissures are all a sign of soil
_____.
Stable Rock - Answer _____ is described as natural soil mineral matter.
Type A - Answer ____ does not contain fissures.
False - Answer True or False: Type C soil is a cohesive soil containing fine grains that won't
crumble.
