OSHA 500 COMPREHENSIVE EXAM 2026 QUESTIONS
AND SOLUTIONS RATED A+
✔✔What are the open yard storage requirements? - ✔✔o Driveways between and
around combustible storage piles should be at least 15 feet wide.
o At locations where there is a danger of an underground fire, the land should not be
used for combustible or flammable storage.
o Combustible materials should be piled no higher than 20 feet.
o No combustible material should be stored outdoors within ten feet of a building or a
structure.
✔✔A fire extinguisher, rated 2A or greater, must be provided for every
_______________ square feet of protected building area. - ✔✔3,000
✔✔The traveling distance to retrieve a fire extinguisher should not exceed
____________ feet. - ✔✔100 Feet
✔✔What is a flash point? - ✔✔Minimum temperature at which a liquid gives off vapor
within a test vessel in sufficient concentration to form an ignitable mixture with air near
the surface of the liquid.
✔✔What is the correct placement of exhaust systems? - ✔✔Should be located no more
than 12 inches above the floor and should be designed to provide for a complete
change of air within the room at least six times each hour.
✔✔How should you safely handle flammable and combustible liquids? - ✔✔Only
approved containers and portable tanks can be used for the storage and handling.
✔✔What must containers and vaporizers be equipped with? - ✔✔One or more
approved safety relief valves or devices.
✔✔What is the correct procedure for filling containers with fuel for trucks or motor
vehicles from bulk storage containers? - ✔✔Should be performed at a distance of not
less than ten feet from the nearest masonry walled building.
✔✔What are the safe venting and mounting procedures for temporary heating devices?
- ✔✔Should be equipped with a primary safety control to stop the flow of fuel in the
event of flame failure.
✔✔Alloy: - ✔✔A substance that is a mixture of two or more metals, or a mixture of a
metal with a nonmetallic material.
,✔✔Corrosion: - ✔✔A process in which something, especially a metal, is destroyed
progressively as a result of a chemical action.
✔✔Diameter: - ✔✔The width or thickness of something, especially something circular or
cylindrical.
✔✔Gouge: - ✔✔hole or groove in something, usually caused by a sharp tool.
✔✔Phenolic: - ✔✔A type of thermosetting resin derived from phenol and used in
plastics, paints and adhesives.
✔✔How can aisles and passageways be made safe for movement of material handling
equipment or employees? - ✔✔Must be kept clear in order and maintained in good
repair.
✔✔What are the requirements for the safe storage of materials? - ✔✔o Non-compatible
materials must be segregated when in storage.
o Bagged materials should be stacked by stepping back the layers and cross-keying the
bags when the stacks reach a height of at least ten bags.
o Materials, in excess of the supplies needed for immediate operations, are not
permitted to be stored on scaffolds or on runways.
o Brick stacks must not be more than seven feet in height. When a loose brick stack
reaches a height of four feet, it must be tapered back two inches for every foot of height
above the four-foot level.
o When masonry blocks are stacked higher than six feet, the stack must be tapered
back one-half block for every tier above the six-foot level.
✔✔How should lumber be stacked? - ✔✔Lumber must be stacked on level and solidly
supported sills and should be stacked so that it is self-supporting.
Should not exceed 20 feet in height provided that lumber to be handled manually is not
stacked higher than 16 feet.
✔✔Which limitations apply to the use of wire rope? - ✔✔Wire rope must not be used if,
in any length of eight diameters, the total number of visible broken wires exceeds ten
percent of the total number of wires or, if the rope shows other signs of excessive wear,
corrosion or defect.
✔✔When should synthetic web slings be removed from service? - ✔✔o acid or caustic
burns
, o melting or charring of any part of the sling surface
o snags, punctures, tears or cuts
o broken or worn stitches
o distortion of fittings
o knots used to shorten slings
✔✔What are the requirements for alloy steel chain slings? - ✔✔Must have a
permanently affixed and durable
identification tag stating the size, grade and rated capacity of the sling and the name of
the sling manufacturer.
Job or shop hooks and links, or makeshift fasteners, formed from bolts, rods, etc.,
must not be used.
✔✔How often should slings and rigging hooks be inspected? - ✔✔Inspected daily.
✔✔How can you prevent corrosion in wires? - ✔✔All ropes and chains must be
lubricated on a regular basis.
✔✔What should one look for when performing hook inspections? - ✔✔Check for wear
Deformation
Cracks
Sharp nicks
✔✔Combustion: - ✔✔The act of burning.
✔✔Cylinder Valve: - ✔✔Opening in the cylinder through which gas is released.
✔✔Gas Cylinders: - ✔✔The long iron storage containers in which gas is kept.
✔✔Hose: - ✔✔A device which is used to transport gases without releasing any into the
atmosphere or work area.
✔✔What precautions should be taken in the transporting, moving and storing of
compressed gas cylinders? - ✔✔They should be placed properly and secured.
✔✔What are the requirements for safe welding, cutting, or heating operations? -
✔✔Shall be protected by suitable eye protective equipment.
A test shall be made by a competent person to determine its flammability.
✔✔What precautions can be taken when welding, cutting, or heating on surfaces
covered toxic preservative coatings? - ✔✔Stripped of all toxic coatings for a distance of
at least 4 inches from the area of heat application.
AND SOLUTIONS RATED A+
✔✔What are the open yard storage requirements? - ✔✔o Driveways between and
around combustible storage piles should be at least 15 feet wide.
o At locations where there is a danger of an underground fire, the land should not be
used for combustible or flammable storage.
o Combustible materials should be piled no higher than 20 feet.
o No combustible material should be stored outdoors within ten feet of a building or a
structure.
✔✔A fire extinguisher, rated 2A or greater, must be provided for every
_______________ square feet of protected building area. - ✔✔3,000
✔✔The traveling distance to retrieve a fire extinguisher should not exceed
____________ feet. - ✔✔100 Feet
✔✔What is a flash point? - ✔✔Minimum temperature at which a liquid gives off vapor
within a test vessel in sufficient concentration to form an ignitable mixture with air near
the surface of the liquid.
✔✔What is the correct placement of exhaust systems? - ✔✔Should be located no more
than 12 inches above the floor and should be designed to provide for a complete
change of air within the room at least six times each hour.
✔✔How should you safely handle flammable and combustible liquids? - ✔✔Only
approved containers and portable tanks can be used for the storage and handling.
✔✔What must containers and vaporizers be equipped with? - ✔✔One or more
approved safety relief valves or devices.
✔✔What is the correct procedure for filling containers with fuel for trucks or motor
vehicles from bulk storage containers? - ✔✔Should be performed at a distance of not
less than ten feet from the nearest masonry walled building.
✔✔What are the safe venting and mounting procedures for temporary heating devices?
- ✔✔Should be equipped with a primary safety control to stop the flow of fuel in the
event of flame failure.
✔✔Alloy: - ✔✔A substance that is a mixture of two or more metals, or a mixture of a
metal with a nonmetallic material.
,✔✔Corrosion: - ✔✔A process in which something, especially a metal, is destroyed
progressively as a result of a chemical action.
✔✔Diameter: - ✔✔The width or thickness of something, especially something circular or
cylindrical.
✔✔Gouge: - ✔✔hole or groove in something, usually caused by a sharp tool.
✔✔Phenolic: - ✔✔A type of thermosetting resin derived from phenol and used in
plastics, paints and adhesives.
✔✔How can aisles and passageways be made safe for movement of material handling
equipment or employees? - ✔✔Must be kept clear in order and maintained in good
repair.
✔✔What are the requirements for the safe storage of materials? - ✔✔o Non-compatible
materials must be segregated when in storage.
o Bagged materials should be stacked by stepping back the layers and cross-keying the
bags when the stacks reach a height of at least ten bags.
o Materials, in excess of the supplies needed for immediate operations, are not
permitted to be stored on scaffolds or on runways.
o Brick stacks must not be more than seven feet in height. When a loose brick stack
reaches a height of four feet, it must be tapered back two inches for every foot of height
above the four-foot level.
o When masonry blocks are stacked higher than six feet, the stack must be tapered
back one-half block for every tier above the six-foot level.
✔✔How should lumber be stacked? - ✔✔Lumber must be stacked on level and solidly
supported sills and should be stacked so that it is self-supporting.
Should not exceed 20 feet in height provided that lumber to be handled manually is not
stacked higher than 16 feet.
✔✔Which limitations apply to the use of wire rope? - ✔✔Wire rope must not be used if,
in any length of eight diameters, the total number of visible broken wires exceeds ten
percent of the total number of wires or, if the rope shows other signs of excessive wear,
corrosion or defect.
✔✔When should synthetic web slings be removed from service? - ✔✔o acid or caustic
burns
, o melting or charring of any part of the sling surface
o snags, punctures, tears or cuts
o broken or worn stitches
o distortion of fittings
o knots used to shorten slings
✔✔What are the requirements for alloy steel chain slings? - ✔✔Must have a
permanently affixed and durable
identification tag stating the size, grade and rated capacity of the sling and the name of
the sling manufacturer.
Job or shop hooks and links, or makeshift fasteners, formed from bolts, rods, etc.,
must not be used.
✔✔How often should slings and rigging hooks be inspected? - ✔✔Inspected daily.
✔✔How can you prevent corrosion in wires? - ✔✔All ropes and chains must be
lubricated on a regular basis.
✔✔What should one look for when performing hook inspections? - ✔✔Check for wear
Deformation
Cracks
Sharp nicks
✔✔Combustion: - ✔✔The act of burning.
✔✔Cylinder Valve: - ✔✔Opening in the cylinder through which gas is released.
✔✔Gas Cylinders: - ✔✔The long iron storage containers in which gas is kept.
✔✔Hose: - ✔✔A device which is used to transport gases without releasing any into the
atmosphere or work area.
✔✔What precautions should be taken in the transporting, moving and storing of
compressed gas cylinders? - ✔✔They should be placed properly and secured.
✔✔What are the requirements for safe welding, cutting, or heating operations? -
✔✔Shall be protected by suitable eye protective equipment.
A test shall be made by a competent person to determine its flammability.
✔✔What precautions can be taken when welding, cutting, or heating on surfaces
covered toxic preservative coatings? - ✔✔Stripped of all toxic coatings for a distance of
at least 4 inches from the area of heat application.
