OSHA 30 Exam Study Questions
Those who work on a crane or near crane operations must be trained. Which of the following is
true for this training? - ✔✔D. All of the above
Certain inspections of crane equipment may be
...
OSHA 30 Exam Study Questions
Those who work on a crane or near crane operations must be trained. Which of the following is
true for this training? - ✔✔D. All of the above
Certain inspections of crane equipment may be made by a(n) ___________ person; however,
crane inspections are typically required to be made by a(n) __________ person. - ✔✔Competent,
qualified
After safety-related modifications have been made to crane equipment, the equipment must be
inspected by __________ prior to use. - ✔✔A qualified person
Under OSHA construction requirements for crane and derricks, when a crane operator is
employed by a company, who must pay for the crane operator's certification? - ✔✔The crane
operator's employer
Inspection of hoists should include: - ✔✔Both A & B (Hooks & Safety latches)
Hoists shall be: - ✔✔All of the above
Daily inspections need to include: - ✔✔Checking of the wire rope for damage or "caging"
Hoists shall be inspected: - ✔✔Daily, prior to use
Do not perform maintenance on a conveyor until: - ✔✔All hazardous energies are disconnected
and blocked
Which crane has the ability to be "jacked-up" as needed? - ✔✔Tower
Load charts must: - ✔✔Indicate rates lifting capacity and be visible to operator
Standards for safety can be found in: - ✔✔29 CFR 1926 Subpart CC
If a crane contacts a power line, the operator should normally stay in the cab until power has
been de-energized. - ✔✔True
Above the heavy line crossing the load chart are values for failure in: - ✔✔Structure
Cranes must maintain a minimum of ____ feet away from power lines: - ✔✔10'
Each of the following is true for an operator who needs the leave a suddenly energized crane
EXCEPT: - ✔✔Walk to safety in a zigzag pattern
An annual inspection of each crane: - ✔✔All of the above
What is the minimum distance allowed between a spoils pile and trench's edge? - ✔✔Two feet
To be classified as Type A, the soil cannot be: - ✔✔All of the Above
A cubic yard of soil can weigh as much as: - ✔✔A small pickup truck
A soils are usually clays and cemented soils such as caliche and hardpan. - ✔✔True
Each of the following is Type B soil EXCEPT: - ✔✔Sand
Which of the following are common soil classification tests? - ✔✔All except C
The definition of type C-60 soil is provided by manufacturers to allow the competent person an
opportunity to use vertical shores or... - ✔✔True
A defining feature of Stable Rock is that it will: - ✔✔Remain intact while exposed
OSHA requires that the competent person perform two visual and two manual tests on a soil
sample fresh out of the ground and not impacted by weather conditions at the site. - ✔✔False
A soil cannot be Type A if it is: - ✔✔All of the above
The most important distinction between Stable Rock/Types A&B and Type C is: - ✔✔Degrees
of stability
Which of the following statements is true of kickout? - ✔✔All of the above
Mixed oak timbers have a greater bending strength per square inch than Douglas fir. - ✔✔False
Type B soils afford afford how many options of protection? - ✔✔Four
In type C soil, the angle of repose is very low; how many degrees must the angle be? - ✔✔34
degrees
Which soil type is the most common? - ✔✔Type B
Shores must be pumped to a minimum pf 750 pounds of pressure but more is recommended. -
✔✔True
Aluminum hydraulic shoring permits both installation and removal without entering the trench -
✔✔True
The struts of a screw jack system must be adjusted manually, which creates a hazard because the
worker is required to: - ✔✔Be in the trench in order to adjust the strut
The depth at which an excavation needs attention from a registered professional engineer is: -
✔✔20 feet
Shoring and shielding can be custom-built from tabulated data approved by a registered
professional engineer. - ✔✔True
All systems have a seat of manufacturer's tabulated data to be used for proper design and
installation of the equipment. - ✔✔True
Placing a shield between the side of an excavation and the work area can minimize the risk in the
event of a cave-in. - ✔✔True
Walkways must have handrails when at ________ or more above lower level. - ✔✔6 feet
Establishing eye contact with your equipment operator is a general safety principle when
working outside the working radius. - ✔✔True
All surface encumbrances must be removed or supported within: - ✔✔The zone of influence
A competent person must inspect all excavations, adjacent areas, and protective systems daily,
____________, and as needed throughout the shift. - ✔✔Before work begins
When using a ladder in a trench, it must be: - ✔✔All of the above
Being dangerously close to a falling load is: - ✔✔Not allowed
Each of the following is true of accumulating water hazards EXCEPT: - ✔✔Special supports or
shields are not allowed
Each of the following is true of underground installations EXCEPT: - ✔✔They must be removed
A surface encumbrance is anything that could create a ___________ in or around a trench. -
✔✔Hazard
When exposed to vehicular traffic, your evacuation site must have: - ✔✔All of the above
Warning systems for Mobile Equipment include barricades, hand signals, stop logs. - ✔✔True
Which are properties of cohesive soil: - ✔✔All of the above
"Free-seeping" soil is considered submerged soil. - ✔✔True
A hand-sized sample of cemented soil can't be crushed into a powder. - ✔✔True
When vibrated, the cohesive material in wet soil will: - ✔✔All of the above
An increase or a decrease in moisture can both damage trench stability. - ✔✔True
When a vertical face of a trench shears along a tension crack line, it is known as: - ✔✔Toppling
Tension cracks are rarely a sign of imminent trench failure. - ✔✔False
Boiling is an upward water flow into the bottom of the cut. - ✔✔True
[Show More]