CHST questions with correct answers

When must a handrail be added to stairwell? CORRECT 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? CORRECT 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? CORRECT ANSWER 4 times. How often should ropes and rigging in suspension scaffolding be inspected for damage? CORRECT ANSWER At the beginning and during each shift. How far from electrical power lines must a scaffold be? CORRECT ANSWER 10 feet What are three things scaffolds must have? CORRECT ANSWER Toe boards, guardrails and mid rails. How many catagories does an MSDS have? CORRECT ANSWER 16 What is the cheif concern in choosing the appropriate respirator? CORRECT ANSWER Material hazards presented by the worksite. What type of respirator is not good fo