OSHA 10 Test Exam and Answers
Updated Rated A+ 2025
A ground-fault circuit interrupter (GFCI) protects workers from shock by: - ANSWER-
Matching the amount of current going into an electrical device against the amount
returning from the device and shutting down power if a ground fault is detected
A noise level of 95 dB is ______ than the lowest level at which hearing protection is
required (85 dB), and your exposure should be limited to six hours or less. - ANSWER-
Ten times louder than
A scaffold must be erected "plumb, square, and level," because: - ANSWER-If a
scaffold is built even a few degrees off plumb, the resulting instability could cause the
weight of the scaffold to shift, potentially causing the overloading of one leg and the
eventual collapse of the scaffold
A shock's severity depends on: - ANSWER--- Length of exposure to electricity
-- The amount of current and its frequency
-- The current's path
A system used to arrest a worker in a fall from a working level that consists of an
anchorage, connectors, a body belt or body harness, and may include a lanyard,
deceleration device, lifeline, or suitable combinations of these is called a: - ANSWER-
Personal Fall Arrest System (PFAS)
A training program to teach proper lifting techniques should cover: - ANSWER---
Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk
-- The use of safe lifting postures and timing
Acute silicosis occurs after a few months or as long as 2 years following exposures to
________ concentrations of respirable crystalline silica. - ANSWER-extremely high
AEGCP's are implemented on construction sites to oversee: - ANSWER--- All cord sets
-- Cord sets and equipment connected by plug and cord
-- Receptacles that are not part of a building or structure
All explosives must be accounted for at all times, and all not being used must be kept in
a: - ANSWER-locked magazine
All hazards involved in the use of power tools can be prevented by following five basic
safety rules: Keep all tools in good condition with regular maintenance; examine each
tool for damage before use; operate according to the manufacturer's instructions;
provide and use the proper protective equipment; and: - ANSWER-use the right tool for
the job
, All jacks - lever and ratchet jacks, screw jacks, and hydraulic jacks - must have a device
that stops them from: - ANSWER-Jacking up too high (a stop indicator)
All portable electric tools that are damaged shall be: - ANSWER-Removed and tagged
"Do Not Use"
All vehicles used for the transportation of explosives shall have tight floors, and any
exposed spark-producing metal on the inside of the body shall be: - ANSWER-Covered
with wood or other non-sparking material
Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire
must: - ANSWER-be attached to known ground
Approximately 75 percent of struck-by fatalities involve: - ANSWER-Heavy equipment
such as cranes or trucks
As mentioned in this module, in addition to cave-ins and related hazards, workers
involved in excavation work also are exposed to hazards involving: - ANSWER-Falls,
falling loads and mobile equipment
At holes, guardrail systems must be set up: - ANSWER-On all unprotected sides and
edges
Audiometric testing monitors an employee's hearing: - ANSWER-over time
Because the number of injuries from operating powered industrial trucks was on the
rise, the OSHA standard for Powered Industrial Trucks was revised March 1, 1999.
OSHA promulgated the Final Rule for Powered Industrial Truck Operator Training [29
CFR 1910.178(1)], which: - ANSWER--- Requires operator training and licensing as well
as periodic evaluations of operator performance
-- Requires operators to take and pass a written and road test (similar to a driver's
education) before they can operate the forklift.
Because using cranes or derricks to hoist personnel poses a serious risk to the
employees being lifted, any cranes and derricks that hoist personnel must: -
ANSWER--- Be placed on a firm foundation and be uniformly level within 1 percent of
level grade
-- Move the personnel platform slowly and cautiously and have rotation-resistant rope
with a safety factor of 10
-- Have all brakes and locking devices set when the occupied personnel platform is in
stationary position
Before an abrasive wheel is mounted, it should be inspected closely and: - ANSWER-
Sound- or ring-tested to ensure that it is free from cracks or defects
Updated Rated A+ 2025
A ground-fault circuit interrupter (GFCI) protects workers from shock by: - ANSWER-
Matching the amount of current going into an electrical device against the amount
returning from the device and shutting down power if a ground fault is detected
A noise level of 95 dB is ______ than the lowest level at which hearing protection is
required (85 dB), and your exposure should be limited to six hours or less. - ANSWER-
Ten times louder than
A scaffold must be erected "plumb, square, and level," because: - ANSWER-If a
scaffold is built even a few degrees off plumb, the resulting instability could cause the
weight of the scaffold to shift, potentially causing the overloading of one leg and the
eventual collapse of the scaffold
A shock's severity depends on: - ANSWER--- Length of exposure to electricity
-- The amount of current and its frequency
-- The current's path
A system used to arrest a worker in a fall from a working level that consists of an
anchorage, connectors, a body belt or body harness, and may include a lanyard,
deceleration device, lifeline, or suitable combinations of these is called a: - ANSWER-
Personal Fall Arrest System (PFAS)
A training program to teach proper lifting techniques should cover: - ANSWER---
Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk
-- The use of safe lifting postures and timing
Acute silicosis occurs after a few months or as long as 2 years following exposures to
________ concentrations of respirable crystalline silica. - ANSWER-extremely high
AEGCP's are implemented on construction sites to oversee: - ANSWER--- All cord sets
-- Cord sets and equipment connected by plug and cord
-- Receptacles that are not part of a building or structure
All explosives must be accounted for at all times, and all not being used must be kept in
a: - ANSWER-locked magazine
All hazards involved in the use of power tools can be prevented by following five basic
safety rules: Keep all tools in good condition with regular maintenance; examine each
tool for damage before use; operate according to the manufacturer's instructions;
provide and use the proper protective equipment; and: - ANSWER-use the right tool for
the job
, All jacks - lever and ratchet jacks, screw jacks, and hydraulic jacks - must have a device
that stops them from: - ANSWER-Jacking up too high (a stop indicator)
All portable electric tools that are damaged shall be: - ANSWER-Removed and tagged
"Do Not Use"
All vehicles used for the transportation of explosives shall have tight floors, and any
exposed spark-producing metal on the inside of the body shall be: - ANSWER-Covered
with wood or other non-sparking material
Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire
must: - ANSWER-be attached to known ground
Approximately 75 percent of struck-by fatalities involve: - ANSWER-Heavy equipment
such as cranes or trucks
As mentioned in this module, in addition to cave-ins and related hazards, workers
involved in excavation work also are exposed to hazards involving: - ANSWER-Falls,
falling loads and mobile equipment
At holes, guardrail systems must be set up: - ANSWER-On all unprotected sides and
edges
Audiometric testing monitors an employee's hearing: - ANSWER-over time
Because the number of injuries from operating powered industrial trucks was on the
rise, the OSHA standard for Powered Industrial Trucks was revised March 1, 1999.
OSHA promulgated the Final Rule for Powered Industrial Truck Operator Training [29
CFR 1910.178(1)], which: - ANSWER--- Requires operator training and licensing as well
as periodic evaluations of operator performance
-- Requires operators to take and pass a written and road test (similar to a driver's
education) before they can operate the forklift.
Because using cranes or derricks to hoist personnel poses a serious risk to the
employees being lifted, any cranes and derricks that hoist personnel must: -
ANSWER--- Be placed on a firm foundation and be uniformly level within 1 percent of
level grade
-- Move the personnel platform slowly and cautiously and have rotation-resistant rope
with a safety factor of 10
-- Have all brakes and locking devices set when the occupied personnel platform is in
stationary position
Before an abrasive wheel is mounted, it should be inspected closely and: - ANSWER-
Sound- or ring-tested to ensure that it is free from cracks or defects
