CHST - Exam Prep UPDATED ACTUAL
QUESTIONS and CORRECT Answers
Class I Standpipe - CORRECT ANSWER - For professional Fire Fighters. Hose is 2 1/2
inches in diameter. Typically found in stairwells
Class II Standpipe - CORRECT ANSWER - Hose is 1 1/2 inches in diameter. For
occupants in the building and intended for all spaces in building. Typically found in cabinets and
spaced according to the hose length.
Class III Standpipe - CORRECT ANSWER - Both firefighters and occupants. Adjusts to 1
1/2 or 2 1/2 in diameter.
How far from electrical power lines must a scaffold be? - CORRECT ANSWER - 10 feet
The refuge area must have a fire-resistance rating of at least how much? - CORRECT
ANSWER - Minimum one hour fire resistance for walls protecting refuge area from inside
of building
Standpipe System - CORRECT ANSWER - An arrangement of piping, valves, and hose
connections installed in a structure to deliver water for fire hoses.
Metal Fume Fever - CORRECT ANSWER - What results from the inhalation of fumes,
like iron, nickel, copper, zinc. Often results from welding without proper ventilation/respiratory
protection. Resembles flu like symptoms
Symptoms of Metal Fume Fever - CORRECT ANSWER - Flu like symptoms such as
headaches, fever, chills, muscle aches/weakness, thirst, nausea, vomiting, chest pain, fatigue,
stomachaches.
, Employees who work with what substance(s) tend to have higher incidents of Metal Fume
Fever? - CORRECT ANSWER - Zinc Oxide, Chromium (stainless steel), nickel,
manganese, cobalt, lead, arsenic, copper platinum, selenium, gold and silver
What can prevent Metal Fume Fever? - CORRECT ANSWER - local or exhaust
ventilation and personal respirators
What are the safe operating procedures for utility and service lines PRIOR to demolitions? -
CORRECT ANSWER - 1. Conduct survey report
2. Document specific hazards
3. Evaluate utility functions servicing the building
What utilities must be cut PRIOR to demolition? - CORRECT ANSWER - Electric, water,
gas, sewer and any other service
What should the (preliminary) demolition survey report include? - CORRECT ANSWER -
1. Whether there are dangers posed to workers
2. Whether there are dangers posed to the environment
Ex: Chemicals, gases, explosives, flammables, or any other hazardous materials in storage
tank(s)
When can materials be dropped through floor openings? - CORRECT ANSWER - 1.
When the drop area is completely enclosed and barricaded.
What requirements must barricades meet before material can be dropped through floor openings?
- CORRECT ANSWER - Barricades must be at least 42 inches high and no closer to the
drop area than 6 feet.
At what height must a chute be used when removing waste from upper levels of buildings? -
CORRECT ANSWER - 20 feet
QUESTIONS and CORRECT Answers
Class I Standpipe - CORRECT ANSWER - For professional Fire Fighters. Hose is 2 1/2
inches in diameter. Typically found in stairwells
Class II Standpipe - CORRECT ANSWER - Hose is 1 1/2 inches in diameter. For
occupants in the building and intended for all spaces in building. Typically found in cabinets and
spaced according to the hose length.
Class III Standpipe - CORRECT ANSWER - Both firefighters and occupants. Adjusts to 1
1/2 or 2 1/2 in diameter.
How far from electrical power lines must a scaffold be? - CORRECT ANSWER - 10 feet
The refuge area must have a fire-resistance rating of at least how much? - CORRECT
ANSWER - Minimum one hour fire resistance for walls protecting refuge area from inside
of building
Standpipe System - CORRECT ANSWER - An arrangement of piping, valves, and hose
connections installed in a structure to deliver water for fire hoses.
Metal Fume Fever - CORRECT ANSWER - What results from the inhalation of fumes,
like iron, nickel, copper, zinc. Often results from welding without proper ventilation/respiratory
protection. Resembles flu like symptoms
Symptoms of Metal Fume Fever - CORRECT ANSWER - Flu like symptoms such as
headaches, fever, chills, muscle aches/weakness, thirst, nausea, vomiting, chest pain, fatigue,
stomachaches.
, Employees who work with what substance(s) tend to have higher incidents of Metal Fume
Fever? - CORRECT ANSWER - Zinc Oxide, Chromium (stainless steel), nickel,
manganese, cobalt, lead, arsenic, copper platinum, selenium, gold and silver
What can prevent Metal Fume Fever? - CORRECT ANSWER - local or exhaust
ventilation and personal respirators
What are the safe operating procedures for utility and service lines PRIOR to demolitions? -
CORRECT ANSWER - 1. Conduct survey report
2. Document specific hazards
3. Evaluate utility functions servicing the building
What utilities must be cut PRIOR to demolition? - CORRECT ANSWER - Electric, water,
gas, sewer and any other service
What should the (preliminary) demolition survey report include? - CORRECT ANSWER -
1. Whether there are dangers posed to workers
2. Whether there are dangers posed to the environment
Ex: Chemicals, gases, explosives, flammables, or any other hazardous materials in storage
tank(s)
When can materials be dropped through floor openings? - CORRECT ANSWER - 1.
When the drop area is completely enclosed and barricaded.
What requirements must barricades meet before material can be dropped through floor openings?
- CORRECT ANSWER - Barricades must be at least 42 inches high and no closer to the
drop area than 6 feet.
At what height must a chute be used when removing waste from upper levels of buildings? -
CORRECT ANSWER - 20 feet
