CHST EXAM PREP GUIDE ELABORATED
QUESTIONS WITH VERIFIED SOLUTIONS
GRADED A+ 2025-2026
, When must a handrail be added to stairwell? ANSWER >> When it is 30 inches or one
having four or more risers.
What are four concerns a CHST must address regarding unsafe use of ladders and
stairwells? ANSWER >> Slippery conditions, handrails on specific types, not used for
storage and examined for weak structure.
Specifications state that scaffolding must be of sufficent strength to hold more than how
many times its specified weight? ANSWER >> 4 times.
How often should ropes and rigging in suspension scaffolding be inspected for
damage? ANSWER >> At the beginning and during each shift.
How far from electrical power lines must a scaffold be? ANSWER >> 10 feet
What are three things scaffolds must have? ANSWER >> Toe boards, guardrails and
mid rails.
How many catagories does an MSDS have? ANSWER >> 16
What is the cheif concern in choosing the appropriate respirator? ANSWER >>
Material hazards presented by the worksite.
What type of respirator is not good for workers with asthma? ANSWER >> Negative
pressure. Workers medical conditions are factors in choosing respirators.
What are the three main factors to consider when choosing respirators? ANSWER >>
1. The physical configuration of the jobsite. 2. The workers medical conditions. 3.
Worker comfort.
What does MFF stand for? ANSWER >> Metal Fume Fever.
What are the symptoms of MFF? ANSWER >> Resemble classical flu symptoms.
QUESTIONS WITH VERIFIED SOLUTIONS
GRADED A+ 2025-2026
, When must a handrail be added to stairwell? ANSWER >> When it is 30 inches or one
having four or more risers.
What are four concerns a CHST must address regarding unsafe use of ladders and
stairwells? ANSWER >> Slippery conditions, handrails on specific types, not used for
storage and examined for weak structure.
Specifications state that scaffolding must be of sufficent strength to hold more than how
many times its specified weight? ANSWER >> 4 times.
How often should ropes and rigging in suspension scaffolding be inspected for
damage? ANSWER >> At the beginning and during each shift.
How far from electrical power lines must a scaffold be? ANSWER >> 10 feet
What are three things scaffolds must have? ANSWER >> Toe boards, guardrails and
mid rails.
How many catagories does an MSDS have? ANSWER >> 16
What is the cheif concern in choosing the appropriate respirator? ANSWER >>
Material hazards presented by the worksite.
What type of respirator is not good for workers with asthma? ANSWER >> Negative
pressure. Workers medical conditions are factors in choosing respirators.
What are the three main factors to consider when choosing respirators? ANSWER >>
1. The physical configuration of the jobsite. 2. The workers medical conditions. 3.
Worker comfort.
What does MFF stand for? ANSWER >> Metal Fume Fever.
What are the symptoms of MFF? ANSWER >> Resemble classical flu symptoms.
