CHST(Latest Update )Correct 100%

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.