Construction, Inspection Railing, Access, and
Fall Protection Complete Exam Study
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1. What is the maximum distance from the face for outrigger scaffolds? -
ANSWER 3 inches (8 cm).
2. What is the maximum distance from the face for plastering and lathing
operations? - ANSWER 18 inches (46 cm).
3. What should be done if scaffold platforms are abutted to create a long
platform? - ANSWER Each abutted end must rest on a separate support
surface.
4. What is required if platforms are overlapped to create a long platform? -
ANSWER The overlap must occur only over supports and be at least 12
inches (30 cm) unless secured.
5. What must be done at points where the scaffold platform changes direction?
- ANSWER Platforms resting at angles must be laid first, followed by those
at right angles.
6. What is prohibited regarding wood platforms? - ANSWER They must not
be covered with opaque finishes that obscure surfaces.
,7. What is the requirement for using scaffold components from different
manufacturers? - ANSWER They must fit together without force and
maintain structural integrity.
8. What must be determined before using scaffold components made of
dissimilar metals together? - ANSWER A competent person must determine
that galvanic action will not reduce strength.
9. What is the height to base width ratio limit for supported scaffolds? -
ANSWER More than four to one (4:1) requires restraint from tipping.
10.What should be used to prevent tipping of supported scaffolds? - ANSWER
Guying, tying, bracing, or equivalent means.
11.What are the requirements for scaffold footings? - ANSWER They must be
level, sound, rigid, and capable of supporting the loaded scaffold.
12.What is an adjustable suspension scaffold? - ANSWER A suspension
scaffold equipped with a hoist(s) that can be operated by employees.
13.Define 'Bearer' in the context of scaffolding. - ANSWER A horizontal
transverse scaffold member that joins scaffold uprights and may be
supported by ledgers or runners.
14.What is a Boatswain's chair? - ANSWER A single-point adjustable
suspension scaffold designed to support one employee in a sitting position.
15.What is the purpose of a body harness? - ANSWER To distribute fall arrest
forces over the thighs, pelvis, waist, chest, and shoulders, and attach to other
components of a fall arrest system.
,16.What does 'competent person' mean in scaffold safety? - ANSWER One
who can identify hazards and has the authority to take corrective measures.
17.What is a continuous run scaffold? - ANSWER A two-point or multi-point
adjustable suspension scaffold constructed using interconnected braced
scaffold members.
18.What is the function of a deceleration device? - ANSWER To dissipate
energy during a fall arrest or limit energy imposed on an employee.
19.What defines an independent pole scaffold? - ANSWER A supported
scaffold consisting of a platform resting on cross beams supported by a
double row of uprights independent of any structure.
20.What is a guardrail system? - ANSWER A vertical barrier erected to
prevent employees from falling off a scaffold platform or walkway.
21.What is the maximum intended load for a scaffold? - ANSWER The total
load of all persons, equipment, tools, materials, and other loads anticipated
to be applied to a scaffold at any one time.
22.Define 'exposed power lines'. - ANSWER Electrical power lines that are
accessible to employees and not shielded from contact.
23.What is a mobile scaffold? - ANSWER A portable scaffold that is caster or
wheel-mounted, either powered or unpowered.
, 24.How should the inboard ends of suspension scaffold outrigger beams be
stabilized? - ANSWER They should be stabilized by bolts or other direct
connections to the floor or roof deck, or by counterweights.
25.What is prohibited when using counterweights for suspension scaffolds? -
ANSWER Counterweights shall not be made of non-flowable materials like
sand or gravel.
26.What is the minimum distance a ladder must overextend an eave against
which it is placed? - ANSWER 3 feet
27.How far from the base of the wall must the bottom of a 20' extension ladder
be placed? - ANSWER 5 feet
28.OSHA requires protection for trench workers when the trench exceeds what
depth? - ANSWER 5 feet
29.What is the minimum setback for dirt excavated from a trench? - ANSWER
2 feet
30.What is the maximum space between a scaffold toe board and the planks
upon which a worker walks? - ANSWER 1/4 inch
31.What is the minimum height for a scaffold to be regulated by OSHA? -
ANSWER 10 feet
32.What is the maximum distance from the working face to the edge of a
scaffold system when plastering the exterior of a structure? - ANSWER 18
inches