CHST Exam Study Guide with Complete Solutions Updated 2024
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Course
2024/2025
Institution
2024/2025
CHST Exam Study Guide with Complete
Solutions Updated 2024
1910 CFR - Answer-General Industry Standards
1926 CFR - Answer-Construction Standards
1915/1917/1918 CFR - Answer-Maritime Indistry
Leading cause of fatalities - Answer-Falls from Heights
Leading Cause of Injuries - Answer-Slips and t...
Fire Class A - Answer✔✔-Most common type fire. Combustibles like wood, cloth and paper. Use
class A fire extinguishers or water
Fire class B - Answer✔✔-Ignition of flammable liquids. Water will not extinguish class b. And
should be put out with foam,CO2, or Dry chemicals
Fire class C - Answer✔✔-Are electrical fires. 1st response should be to cut off power source to
reduce to class A type fire
Class D - Answer✔✔-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 - Answer✔✔-Cooking oils are extinguished with dry chemicals Do NOT use water.
Dust explosions can be ignited by - Answer✔✔-Static electricity
Combustible material May not be stored - Answer✔✔-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 -
Answer✔✔-In approved metal safety cans
Flammable and combustible liquids of more than 25 gallons - Answer✔✔-Should be stored in
exterior plywood min 1 inch thick and must be labeled
A pre discharge is a - Answer✔✔-Alarm that sounds seconds prior to the discharge of a sprinkler
system
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