NCCER/OSHA Scaffold SG Questions and
Verified Answers 2025
, A boatswain's (bosun's) chair and work cage are what type of suspension scaffolds? -
CORRECT ANSWER Single point
A licensed professional engineer shall design all scaffold erected higher than how many feet?
- CORRECT ANSWER 125
A putlog is a truss used in scaffolding applications where? - CORRECT ANSWER
Bridging over an obstruction is required
A rolling scaffold must have - CORRECT ANSWER a horizontal diagonal brace
A rolling scaffold should only be used on surfaces such as steel and - CORRECT ANSWER
concrete
A system scaffold should be plumbed and leveled after - CORRECT ANSWER each ring
or wrap is completed
According OSHA, a medium duty scaffold is designed and constructed to carry a working
load of how many pounds per square foot? - CORRECT ANSWER 50
According to OHSA, scaffold erection, movement, alteration, and dismantling must be
supervised by who? - CORRECT ANSWER Competent person
According to OSHA, a light-duty scaffold is designed and constructed to carry a working
load of how many pounds per square foot? - CORRECT ANSWER 25
According to OSHA, what is the maximum allowable distance between different levels of
ledger wraps and runners? - CORRECT ANSWER 6 feet 6 inches
Adjustings screw jacks are used to - CORRECT ANSWER level the scaffold
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)
Verified Answers 2025
, A boatswain's (bosun's) chair and work cage are what type of suspension scaffolds? -
CORRECT ANSWER Single point
A licensed professional engineer shall design all scaffold erected higher than how many feet?
- CORRECT ANSWER 125
A putlog is a truss used in scaffolding applications where? - CORRECT ANSWER
Bridging over an obstruction is required
A rolling scaffold must have - CORRECT ANSWER a horizontal diagonal brace
A rolling scaffold should only be used on surfaces such as steel and - CORRECT ANSWER
concrete
A system scaffold should be plumbed and leveled after - CORRECT ANSWER each ring
or wrap is completed
According OSHA, a medium duty scaffold is designed and constructed to carry a working
load of how many pounds per square foot? - CORRECT ANSWER 50
According to OHSA, scaffold erection, movement, alteration, and dismantling must be
supervised by who? - CORRECT ANSWER Competent person
According to OSHA, a light-duty scaffold is designed and constructed to carry a working
load of how many pounds per square foot? - CORRECT ANSWER 25
According to OSHA, what is the maximum allowable distance between different levels of
ledger wraps and runners? - CORRECT ANSWER 6 feet 6 inches
Adjustings screw jacks are used to - CORRECT ANSWER level the scaffold
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)
