CHST Exam Questions With Verified Answers
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1910 CFR
General Industry Standards
1926 CFR
Construction Standards
1915/1917/1918 CFR
Maritime Indistry
Leading cause of fatalities
Falls from Heights
Leading Cause of Injuries
Slips and trips
homocide
2nd leading cause of workplace fatalities
fire extinguishers places within every
3000 sq. Ft of protected building area
Multi story structures need fire extinguishers
On each floor regardless of sq. Ft
Pyrophorics
Undergo chemical changes upon contact with air which produces burning
Flammable liquids have a flash point which is below
100 degrees Fahrenheit
Combustible liquids are ignited at
Between 100to 200 degrees Fahrenheit
Fire Class A
Most common type fire. Combustibles like wood, cloth and paper. Use class A fire extinguishers or
water
Fire class B
Ignition of flammable liquids. Water will not extinguish class b. And should be put out with foam,CO2,
or Dry chemicals
, Fire class C
Are electrical fires. 1st response should be to cut off power source to reduce to class A type fire
Class D
Metal fires. Flammable metals like titanium and Magnesium is recommended by the NFPA to
extinguished with DRY POWDER not to be confused with dry chemical
Class K
Cooking oils are extinguished with dry chemicals Do NOT use water.
Dust explosions can be ignited by
Static electricity
Combustible material May not be stored
In stairwells hallways or any passage where workers routinely travel
combustibles or flammables liquids in the amount of more than a gallon can be store only
In approved metal safety cans
Flammable and combustible liquids of more than 25 gallons
Should be stored in exterior plywood min 1 inch thick and must be labeled
A pre discharge is a
Alarm that sounds seconds prior to the discharge of a sprinkler system
According to NSCouncil. What percentage of injuries a related to back injury
20%
Ameliorate
Improve or make better
Bagged materials like concrete lime fertilizer should be stacked by
Stepping back the layers and cross-keying
Bricks must not be stacked more than
7ft
Bricks stacked higher than 4 ft should be
Tapered back at a slope of 2 inches per ft of height
Masonry blocks stacked higher than
6 ft should be tapered back at one half block for every layer above 6 ft
100% Solved
1910 CFR
General Industry Standards
1926 CFR
Construction Standards
1915/1917/1918 CFR
Maritime Indistry
Leading cause of fatalities
Falls from Heights
Leading Cause of Injuries
Slips and trips
homocide
2nd leading cause of workplace fatalities
fire extinguishers places within every
3000 sq. Ft of protected building area
Multi story structures need fire extinguishers
On each floor regardless of sq. Ft
Pyrophorics
Undergo chemical changes upon contact with air which produces burning
Flammable liquids have a flash point which is below
100 degrees Fahrenheit
Combustible liquids are ignited at
Between 100to 200 degrees Fahrenheit
Fire Class A
Most common type fire. Combustibles like wood, cloth and paper. Use class A fire extinguishers or
water
Fire class B
Ignition of flammable liquids. Water will not extinguish class b. And should be put out with foam,CO2,
or Dry chemicals
, Fire class C
Are electrical fires. 1st response should be to cut off power source to reduce to class A type fire
Class D
Metal fires. Flammable metals like titanium and Magnesium is recommended by the NFPA to
extinguished with DRY POWDER not to be confused with dry chemical
Class K
Cooking oils are extinguished with dry chemicals Do NOT use water.
Dust explosions can be ignited by
Static electricity
Combustible material May not be stored
In stairwells hallways or any passage where workers routinely travel
combustibles or flammables liquids in the amount of more than a gallon can be store only
In approved metal safety cans
Flammable and combustible liquids of more than 25 gallons
Should be stored in exterior plywood min 1 inch thick and must be labeled
A pre discharge is a
Alarm that sounds seconds prior to the discharge of a sprinkler system
According to NSCouncil. What percentage of injuries a related to back injury
20%
Ameliorate
Improve or make better
Bagged materials like concrete lime fertilizer should be stacked by
Stepping back the layers and cross-keying
Bricks must not be stacked more than
7ft
Bricks stacked higher than 4 ft should be
Tapered back at a slope of 2 inches per ft of height
Masonry blocks stacked higher than
6 ft should be tapered back at one half block for every layer above 6 ft
