OSHA 10 Test Answers With Verified Solutions

OSHA 10 Test Answers With Verified Solutions The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day Electricity travels in closed circuits, and its normal route is through a conductor. Electric shock occurs when: Your body becomes part of the circuit Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? -- Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor -- Guard or securely cover all holes created or uncovered before leaving a work area -- Always use a PFAS when working over an unguarded or uncovered opening more than six feet above a lower level The two steps for avoiding hazards that are always taken before the need for PPE is considered are: Workplace and engineering controls The three main scaffold types are aerial lifts, supported scaffolds and: suspended scaffolds Because using cranes or derricks to hoist personnel poses a serious risk to the employees being lifted, any cranes and derricks that hoist personnel must: -- Be placed on a firm foundation and be uniformly level within 1 percent of level grade -- Move the personnel platform slowly and cautiously and have rotation-resistant rope with a safety factor of 10 -- Have all brakes and locking devices set when the occupied personnel platform is in stationary position If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: Protect themselves by wearing proper PPE OSHA defines an excavation as: Any man-made cavity, depression, trench or cut in the earth's surface formed by earth removal A training program to teach proper lifting techniques should cover: -- Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk -- The use of safe lifting postures and timing Mechanical demolition refers to demolition using equipment like: wrecking balls and jackhammers OSHA's electrical standards are based on: the NEC What are the four main types of electrical injuries? Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder) A shock's severity depends on: -- Length of exposure to electricity -- The amount of current and its frequency -- The current's path Electrical burns are the most serious of the three major types of burns, and most often occur: On the hands, from direct contact with current Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: black or red More than 50 percent of electrocutions are caused by a worker coming in direct contact with: energized power lines