OSHA-Master Plumbers Exam Questions With Complete Solutions

What is a job hazard analysis correct answer: A technique that focuses on job tasks as a way to identify and correct hazards When considering controls that protect a worker from on-the-job hazards, which type of control is the most important? correct answer: Engineering controls Employees who work on scaffolds must be protected from falling if the level of the scaffold is ______ feet above the level below it. correct answer: 10 In a personal fall arrest system, lanyards and vertical lifelines must have a minimum breaking strength of: correct answer: 5,000 Pounds Personal fall arrest systems, when stopping a fall, must be rigged so that no employee can free fall more than ___ feet, nor contact any lower level. correct answer: 6 When fall arrest equipment is used, employers must assure that: correct answer: a. Users have calculated total fall distance. b. All equipment is properly inspected before each use. c. A rescue plan is in place to rescue a fallen employee. d. All of the above When is it necessary to use lockout/tagout procedures to prevent electrical injuries? correct answer: When there is potential for an unexpected energization of equipment that could cause injury to an employee Ground Fault Circuit Interrupters (GFCI) are required by the National Electrical Code: correct answer: a. When there are wet conditions. b. On all temporary power circuits. c. On portable generators over 5,000 watts. d. All of the above Who should be given access to electrical installations that are locked in a vault, room, closet or fenced area? correct answer: A qualified person only