NCCER/OSHA Scaffold SG Examination with Complete Questions & Verified
Answers | Latest Version 2026\2027 graded a+ \100% pass!!
Adjustings screw jacks are used to -answer-level the scaffold
Any scaffolding, including accessories such as braces, trusses, and ladders, damaged
or weakened from any cause should be? -answer-repaired or replaced immediately
Drawing and specifications for all frame scaffolds over how many feet I height above the
base plates must be designed by a registered professional engineer? -answer-125
The component that distributes the scaffold's leg load over a larger area is a -answer-
Base plate
The hoisting are is rated for 75 pounds; the pulley is rated for 100 pounds; and the rope
is rated for 250 pounds, What is the maximum load that can be lifted/ -answer-75
Pounds
The midrail should withstand a minimum pressure of how many pounds? -answer-150
A system scaffold should be plumbed and leveled after -answer-each ring or wrap is
completed
What is the best power to use? -answer-Air
Side brackets, hoist arms, and cantilevered platforms on a scaffold may result in -
answer-Overturning/tipping
OSHA defines bearers on a scaffold as the? -answer-horizontal tubes upon which the
scaffold platform rests
Where there is a danger of falling objects, toe boards on scaffolds are required when
the working platform is how many feet above lower levels? -answer-10
, On a light duty tube and clamp scaffold, the scaffold post should not exceed -answer-4'
x 10'
Which of the following is a leveling device located at the base of a scaffold? -answer-
Screw jacks
Cross braces and diagonal braces on a fabricated frame scaffold should be installed to
ensure that vertical members are aligned, so that the scaffold will be -answer-plumb,
square, and rigid
OSHA defines runners as the -answer-horizontal tubes that run in the same direction
as the scaffold planks
What bracing is placed between opposite corners to keep the scaffold plumb and
secure? -answer-Diagonal
What is used to stabilize a rolling scaffold being moved on a surface with a 2-inch drop?
-answer-Outrigger
A licensed professional engineer shall design all scaffold erected higher than how many
feet? -answer-125
According to OSHA, what is the maximum allowable distance between different levels of
ledger wraps and runners? -answer-6 feet 6 inches
On a medium duty tube and clamp scaffold, the scaffold post spacing for nominal 2-inch
O.D. steel tube or pipe should be a maximum of -answer-4' x 7'
What must a competent person have to implement corrective action promptly, in order
to eliminate hazardous working conditions? -answer-Authority
A rolling scaffold must have -answer-a horizontal diagonal brace
What should be the builder's first task in any type of scaffold assembly? -answer-
Gather all necessary scaffold components and inspect them for any damage
Where may diagonal bracing be attached if it cannot be attached to the post? -answer-
Runners/ledgers
Why is it important to use locking pins casters? -answer-Keep wheels attached to the
frame
Swivel clamps should be installed so that if the clamp opens, the tube will -answer-not
fail
What grade of planking should be used for scaffolding? -answer-Scaffold grade
Answers | Latest Version 2026\2027 graded a+ \100% pass!!
Adjustings screw jacks are used to -answer-level the scaffold
Any scaffolding, including accessories such as braces, trusses, and ladders, damaged
or weakened from any cause should be? -answer-repaired or replaced immediately
Drawing and specifications for all frame scaffolds over how many feet I height above the
base plates must be designed by a registered professional engineer? -answer-125
The component that distributes the scaffold's leg load over a larger area is a -answer-
Base plate
The hoisting are is rated for 75 pounds; the pulley is rated for 100 pounds; and the rope
is rated for 250 pounds, What is the maximum load that can be lifted/ -answer-75
Pounds
The midrail should withstand a minimum pressure of how many pounds? -answer-150
A system scaffold should be plumbed and leveled after -answer-each ring or wrap is
completed
What is the best power to use? -answer-Air
Side brackets, hoist arms, and cantilevered platforms on a scaffold may result in -
answer-Overturning/tipping
OSHA defines bearers on a scaffold as the? -answer-horizontal tubes upon which the
scaffold platform rests
Where there is a danger of falling objects, toe boards on scaffolds are required when
the working platform is how many feet above lower levels? -answer-10
, On a light duty tube and clamp scaffold, the scaffold post should not exceed -answer-4'
x 10'
Which of the following is a leveling device located at the base of a scaffold? -answer-
Screw jacks
Cross braces and diagonal braces on a fabricated frame scaffold should be installed to
ensure that vertical members are aligned, so that the scaffold will be -answer-plumb,
square, and rigid
OSHA defines runners as the -answer-horizontal tubes that run in the same direction
as the scaffold planks
What bracing is placed between opposite corners to keep the scaffold plumb and
secure? -answer-Diagonal
What is used to stabilize a rolling scaffold being moved on a surface with a 2-inch drop?
-answer-Outrigger
A licensed professional engineer shall design all scaffold erected higher than how many
feet? -answer-125
According to OSHA, what is the maximum allowable distance between different levels of
ledger wraps and runners? -answer-6 feet 6 inches
On a medium duty tube and clamp scaffold, the scaffold post spacing for nominal 2-inch
O.D. steel tube or pipe should be a maximum of -answer-4' x 7'
What must a competent person have to implement corrective action promptly, in order
to eliminate hazardous working conditions? -answer-Authority
A rolling scaffold must have -answer-a horizontal diagonal brace
What should be the builder's first task in any type of scaffold assembly? -answer-
Gather all necessary scaffold components and inspect them for any damage
Where may diagonal bracing be attached if it cannot be attached to the post? -answer-
Runners/ledgers
Why is it important to use locking pins casters? -answer-Keep wheels attached to the
frame
Swivel clamps should be installed so that if the clamp opens, the tube will -answer-not
fail
What grade of planking should be used for scaffolding? -answer-Scaffold grade
