Complete Study Guide- OSHA 10-hr
Course- *Q&A* (100% Correct) 2025/2026
|VERIFIED|
The rate of work-related deaths among ironworkers is ___ times higher than the construction average.
10
Scaffold failures can typically be caused by which of the following?
unsafe erection and excess weight, lack of supervision/inspection, incomplete (no handrails/mid-
rails/toe boards), use of incompatible parts
The most common serious OSHA violations regarding steel erection involve:
lack of fall hazard training, failure to meet OSHA's fall protection general standards, failure to
provide fall protection for connectors
_______ must be removed from scaffolds to prevent hazardous, slippery conditions.
ice, snow
OSHA mandates fall protection when working near the edge of a trench or excavation that is ___ feet or
deeper.
6 ft
The third most common cause of falls in construction, leading to more than 100 fatalities annually, is the
use of ____?
ladders
Common OSHA violations involving ladders include:
ladder not extended 3 ft above the landing, lack of worker training, failure to secure ladder,
improper use of the top step of stepladders
1
,You are at an increased risk of falling if your portable ladder is ___.
not safely positioned each time you use it
Horizontal lifelines must be installed, used, and supervised by a ____ as part of a comprehensive
personal fall arrest system, ensuring a safety factor of at least two.
qualified person
Engineering controls to reduce fall risks include installing:
guardrails, walls, protective covers, parapets
Snap-hooks must be locking-type and designed to _____.
prevent opening and slipping off the connector
Fall restraint systems must meet which of the following requirements?
prevent the user from reaching areas where free falls could occur, anchorage strength of a
minimum of 3000 lbs, designed by a qualified person for fall protection
If defects are found during the inspection of fall protection equipment, or if it has been involved in an
arrest, it must be ____.
removed immediately from service
D-rings and snap-hooks must have a minimum tensile strength of ____.
5000 lbs
Body belts are permitted to be used only for:
positioning, never for fall protection
The 4:1 angle rule for extension ladders means:
2
, For every 4 ft. of height, the base of the ladder should be 1 ft. away from the wall
The most common ladder ratings in construction are:
Heavy Duty (250 lbs), Extra Heavy Duty (300 lbs), Special Duty (375 lbs)
It's crucial to secure your ladder to ____ when possible.
Fixed and secure points
Which statement is correct?
Every day, four construction workers die on the job; falls are the most frequent cause of fatal
injuries to construction workers, and the effects of a fall impact the worker, their family, and friends
Always choose a ladder that:
prevents overreaching, allows you to safely reach your work, and helps you position yourself
without your belt buckle passing the side rails
Guard rails on suspended scaffolds manufactured after 2000 must be between _____, with mid-rails
positioned approximately halfway between the rail and the platform surface.
38 and 45 inches high
Each supported scaffold and its components must support, without failure, at least ______ the intended
load.
4 times
A _____ must be available to supervise workers constructing or moving scaffolds.
competent person
Is climbing across the cross braces of scaffolds allowed?
Never
3
, Which of the following are considered scaffold access points?
Ladder, stair tower, ramps, and walkways
OSHA specifically requires this entity to assess whether walking/working surfaces have the strength and
structural integrity to support workers.
employer
"A person who supervises scaffolds during erection, movement, dismantling, or changes, and inspects
the scaffolding at completion for compliance" is known as a _____.
competent person
Regarding anchorage points, employers must:
Identify and evaluate points to ensure adequacy, ensure proper use of fall protection equipment,
and train workers to properly don and inspect their gear
Employees must not work on scaffolds until:
it has been confirmed to have the strength and structural integrity to support the intended load
Scaffold user training should cover which of the following topics?
the hazards of the scaffold type being used and its maximum load capacity
Common causes of electrocution include:
contact with underground and above-ground energized power lines, failure to lock out and tag
out energized power sources, failure to use a GFCI in wet conditions, and failure to maintain a safe
distance from energized sources
Available online resources include:
OSHA eTools, Publications, Quick Cards, and Safety and Health Topic Pages
What does the term electrocution mean?
4
