CHST Exam Questions With Verified Answers 100% Solved

CHST Exam Questions With Verified Answers 100% Solved When must a handrail be added to stairwell? - answerWhen 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? - answerSlippery 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? - answer4 times. How often should ropes and rigging in suspension scaffolding be inspected for damage? - answerAt the beginning and during each shift. How far from electrical power lines must a scaffold be? - answer10 feet What are three things scaffolds must have? - answerToe boards, guardrails and mid rails. How many catagories does an MSDS have? - answer16 What is the cheif concern in choosing the appropriate respirator? - answerMaterial hazards presented by the worksite. What type of respirator is not good for workers with asthma? - answerNegative pressure. Workers medical conditions are factors in choosing respirators. What are the three main factors to consider when choosing respirators? - answer1. The physical configuration of the jobsite. 2. The workers medical conditions. 3. Worker comfort. What does MFF stand for? - answerMetal Fume Fever. What are the symptoms of MFF? - answerResemble classical flu symptoms. Welders who work with hat tend to have higher incidence of MFF? - answerZinc Oxides What can prevent MFF? - answerWelders to wear respirators and local or exhaust ventilation can effect nearby workers. What are the safe operating procedures pertaining to utlility and service lines when a building is being prepared for demolitions. - answer1. Conduct survey inspection. 2. Document specific hazards. 3. Evaluate utility functions servic