OSHA 510 UPDATED 2026 EXAMINERS
QUESTIONS AND ANSWERS SURE A+
✔✔Dusts, fumes and mists are measured in - ✔✔weight per unit of volume (mg/m^3)
✔✔Gasses and Vapors are measured in - ✔✔volume of contaminant per volume of air
sampled (ppm)
✔✔PEL - ✔✔Permissable Exposure Limits
✔✔TLV - ✔✔Threshold Limit Value
✔✔TLV-TWA - ✔✔Time Weighted Average and last for 8 hours/day or 40-hour week
✔✔TLV-STEL - ✔✔Short-Term Exposure Limit and lasts for few 15-minute time periods
✔✔TLV-C - ✔✔Ceiling value and should never be exceeded
✔✔The maximum travel distance for any point of the protected area to the nearest fire
extinguisher shall not exceed __ - ✔✔100 feet
✔✔All hand and power tools, whether paid for by the employer or employee, shall be in
a __ - ✔✔safe condition with proper storage and regular maintenance
, ✔✔Whenever practicable, all arc welding and cutting operations shall be __ to protect
employees and other persons working in the vicinity. - ✔✔shielded
✔✔Failure to inspect for oil or grease on regulator fittings, valves, or the cap threads on
a cylinder of oxygen can result in __ - ✔✔fire or explosion
✔✔An "Assured equipment grounding conductor program" deals with the cord-set and
receptacles which are not part of the __ - ✔✔building's permanent writing
✔✔__ is the maximum voltage before guarding is required against accidental contact by
cabinets, other forms of enclosures, or by location in a room or enclosure accessible
only to qualified persons (electricians). - ✔✔50 volts or greater
✔✔The practice of connecting two metallic objects to prevent static sparks is called __.
- ✔✔bonding
✔✔Before the start of any work covered under Subpart V - Power Transmission and
Distribution, __ - ✔✔existing conditions are determined by an inspection or a test
✔✔Eye and face protection equipment used to protect against hazards shall meet the
requirements specified in __________. - ✔✔
✔✔Respirators used in the construction industry are covered under OSHA standard
1910._____. - ✔✔
✔✔Accident prevention signs such as; danger, caution and exit signs shall be _______
when work is being performed. - ✔✔
✔✔A material chute used during demolition operations must be enclosed when its angle
is equal to or greater than __ from the horizontal. - ✔✔45 degrees
✔✔__ is the trigger height when the masonry walls must be braced? - ✔✔over 8 feet
✔✔When a masonry wall is being constructed, a limited access zone at least the height
of the wall plus a minimum of __feet tall shall be established on the side of the wall
without scaffolding. - ✔✔
✔✔Except for extra-heavy-duty metal or plastic portable ladders, all portable ladders
must support __ the maximum intended load. - ✔✔4 times
✔✔Portable ladders with structural defects such as, broken or missing rungs or split
rails shall be __ from service until repaired. - ✔✔removed
QUESTIONS AND ANSWERS SURE A+
✔✔Dusts, fumes and mists are measured in - ✔✔weight per unit of volume (mg/m^3)
✔✔Gasses and Vapors are measured in - ✔✔volume of contaminant per volume of air
sampled (ppm)
✔✔PEL - ✔✔Permissable Exposure Limits
✔✔TLV - ✔✔Threshold Limit Value
✔✔TLV-TWA - ✔✔Time Weighted Average and last for 8 hours/day or 40-hour week
✔✔TLV-STEL - ✔✔Short-Term Exposure Limit and lasts for few 15-minute time periods
✔✔TLV-C - ✔✔Ceiling value and should never be exceeded
✔✔The maximum travel distance for any point of the protected area to the nearest fire
extinguisher shall not exceed __ - ✔✔100 feet
✔✔All hand and power tools, whether paid for by the employer or employee, shall be in
a __ - ✔✔safe condition with proper storage and regular maintenance
, ✔✔Whenever practicable, all arc welding and cutting operations shall be __ to protect
employees and other persons working in the vicinity. - ✔✔shielded
✔✔Failure to inspect for oil or grease on regulator fittings, valves, or the cap threads on
a cylinder of oxygen can result in __ - ✔✔fire or explosion
✔✔An "Assured equipment grounding conductor program" deals with the cord-set and
receptacles which are not part of the __ - ✔✔building's permanent writing
✔✔__ is the maximum voltage before guarding is required against accidental contact by
cabinets, other forms of enclosures, or by location in a room or enclosure accessible
only to qualified persons (electricians). - ✔✔50 volts or greater
✔✔The practice of connecting two metallic objects to prevent static sparks is called __.
- ✔✔bonding
✔✔Before the start of any work covered under Subpart V - Power Transmission and
Distribution, __ - ✔✔existing conditions are determined by an inspection or a test
✔✔Eye and face protection equipment used to protect against hazards shall meet the
requirements specified in __________. - ✔✔
✔✔Respirators used in the construction industry are covered under OSHA standard
1910._____. - ✔✔
✔✔Accident prevention signs such as; danger, caution and exit signs shall be _______
when work is being performed. - ✔✔
✔✔A material chute used during demolition operations must be enclosed when its angle
is equal to or greater than __ from the horizontal. - ✔✔45 degrees
✔✔__ is the trigger height when the masonry walls must be braced? - ✔✔over 8 feet
✔✔When a masonry wall is being constructed, a limited access zone at least the height
of the wall plus a minimum of __feet tall shall be established on the side of the wall
without scaffolding. - ✔✔
✔✔Except for extra-heavy-duty metal or plastic portable ladders, all portable ladders
must support __ the maximum intended load. - ✔✔4 times
✔✔Portable ladders with structural defects such as, broken or missing rungs or split
rails shall be __ from service until repaired. - ✔✔removed
