Study Guide for NCCER/OSHA Final
Certification Exam Questions and
Answers
The footing or anchorage for scaffolds must be capable of carrying the maximum
intended load without: - CORRECT ANSWER-Tying or guying
Erectors of a scaffold who exposed to potential falling object hazards shall be provided
with: - CORRECT ANSWER-Over head protection
Osha requires a rest landing at intervals not exceed: - CORRECT ANSWER-35 feet
The top handrail of a scaffold must be able to withstand how many pounds of pressure?
- CORRECT ANSWER-200
When Building a scaffold inside a "goggle area" - CORRECT ANSWER-Everyone inside
the area must wear goggles
The ladder should be located on a mobile scaffold will not - CORRECT ANSWER-tip
over
When should ties be installed? - CORRECT ANSWER-During the erection process
What body produces the primary Code or regulations guiding the scaffolding industry? -
CORRECT ANSWER-OSHA (Occupational Safety and Healthy Agency)
What should be used to erect scaffolding on uneven ground? - CORRECT ANSWER-
Leveling Jacks
OSAH specifically prohibits the use of? - CORRECT ANSWER-Lean to scaffolds
Boards or wooden pad placed on the soil to support scaffold legs are? - CORRECT
ANSWER-Mudsills
The tube of a tube and clamp scaffold is normally what size O.D.? - CORRECT
ANSWER-1.9 Inches
Scaffold decks that overlap a minimum of how many inches, unless secured in some
other way? - CORRECT ANSWER-12
the bearer in a tube and clamp scaffold is always? - CORRECT ANSWER-Placed
above the adjacent runner.
, What must a rolling scaffold have on each caster or roller? - CORRECT ANSWER-
Positive locking device
Who must inspect a scaffold each work shift and after any occurrence which could
effect a scaffold's structural integrity? - CORRECT ANSWER-Competent person
What is the minimum tensile strength of D-rings and snap hooks on a safety harness? -
CORRECT ANSWER-5,000 pounds
What part of the picture is identified by the letter "G"? - CORRECT ANSWER-Sill or
mudsill
what part of the scaffold is identified by letter "A"? - CORRECT ANSWER-Guardrail
What part of the scaffold is identified by the letter "C"? - CORRECT ANSWER-Runner
What part of the scaffold is identified by the letter "F"? - CORRECT ANSWER-Base
plate
When is it allowed to notch out scaffold planks to make them fit? - CORRECT
ANSWER-"Never"
When erecting a scaffold, the screw jack fir the adjustable leg base should not extend
more than how many inches? - CORRECT ANSWER-12 Inches
Which of the following should be used to safely secure scaffold boards to the platform? -
CORRECT ANSWER-#9 tie wire and toe boards
According to OHSA, scaffold erection, movement, alteration, and dismantling must be
supervised by who? - CORRECT ANSWER-Competent person
All of the following safety device should be used when a worker is using a circular saw
except? - CORRECT ANSWER-Ground Fault Circuit Interrupter (FGCI)
The handle of a claw hammer near the wedge should not be covered because the
covered handle will? - CORRECT ANSWER-Hide any damages
Safe use of any type of wrench Requires it to be? - CORRECT ANSWER-Pushed away
from the body
Which tool is normally used to check the plumb of a vertical scaffold pole during
erection of a quick erect scaffold? - CORRECT ANSWER-Torpedo Level
When may a guard on a circular saw be wired open? - CORRECT ANSWER-The guard
may not be wired open.
Certification Exam Questions and
Answers
The footing or anchorage for scaffolds must be capable of carrying the maximum
intended load without: - CORRECT ANSWER-Tying or guying
Erectors of a scaffold who exposed to potential falling object hazards shall be provided
with: - CORRECT ANSWER-Over head protection
Osha requires a rest landing at intervals not exceed: - CORRECT ANSWER-35 feet
The top handrail of a scaffold must be able to withstand how many pounds of pressure?
- CORRECT ANSWER-200
When Building a scaffold inside a "goggle area" - CORRECT ANSWER-Everyone inside
the area must wear goggles
The ladder should be located on a mobile scaffold will not - CORRECT ANSWER-tip
over
When should ties be installed? - CORRECT ANSWER-During the erection process
What body produces the primary Code or regulations guiding the scaffolding industry? -
CORRECT ANSWER-OSHA (Occupational Safety and Healthy Agency)
What should be used to erect scaffolding on uneven ground? - CORRECT ANSWER-
Leveling Jacks
OSAH specifically prohibits the use of? - CORRECT ANSWER-Lean to scaffolds
Boards or wooden pad placed on the soil to support scaffold legs are? - CORRECT
ANSWER-Mudsills
The tube of a tube and clamp scaffold is normally what size O.D.? - CORRECT
ANSWER-1.9 Inches
Scaffold decks that overlap a minimum of how many inches, unless secured in some
other way? - CORRECT ANSWER-12
the bearer in a tube and clamp scaffold is always? - CORRECT ANSWER-Placed
above the adjacent runner.
, What must a rolling scaffold have on each caster or roller? - CORRECT ANSWER-
Positive locking device
Who must inspect a scaffold each work shift and after any occurrence which could
effect a scaffold's structural integrity? - CORRECT ANSWER-Competent person
What is the minimum tensile strength of D-rings and snap hooks on a safety harness? -
CORRECT ANSWER-5,000 pounds
What part of the picture is identified by the letter "G"? - CORRECT ANSWER-Sill or
mudsill
what part of the scaffold is identified by letter "A"? - CORRECT ANSWER-Guardrail
What part of the scaffold is identified by the letter "C"? - CORRECT ANSWER-Runner
What part of the scaffold is identified by the letter "F"? - CORRECT ANSWER-Base
plate
When is it allowed to notch out scaffold planks to make them fit? - CORRECT
ANSWER-"Never"
When erecting a scaffold, the screw jack fir the adjustable leg base should not extend
more than how many inches? - CORRECT ANSWER-12 Inches
Which of the following should be used to safely secure scaffold boards to the platform? -
CORRECT ANSWER-#9 tie wire and toe boards
According to OHSA, scaffold erection, movement, alteration, and dismantling must be
supervised by who? - CORRECT ANSWER-Competent person
All of the following safety device should be used when a worker is using a circular saw
except? - CORRECT ANSWER-Ground Fault Circuit Interrupter (FGCI)
The handle of a claw hammer near the wedge should not be covered because the
covered handle will? - CORRECT ANSWER-Hide any damages
Safe use of any type of wrench Requires it to be? - CORRECT ANSWER-Pushed away
from the body
Which tool is normally used to check the plumb of a vertical scaffold pole during
erection of a quick erect scaffold? - CORRECT ANSWER-Torpedo Level
When may a guard on a circular saw be wired open? - CORRECT ANSWER-The guard
may not be wired open.
