/. The mission of the Occupational Safety and Health Administration (OSHA) is: -
Answer-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: - Answer-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? - Answer--- 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: - Answer-Workplace and engineering controls
/.The three main scaffold types are aerial lifts, supported scaffolds and: - Answer-
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: - Answer---
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: - Answer-Protect themselves by wearing
proper PPE
/.OSHA defines an excavation as: - Answer-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: - Answer---
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: - Answer-wrecking
balls and jackhammers
/.OSHA's electrical standards are based on: - Answer-the NEC
/.What are the four main types of electrical injuries? - Answer-Electrocution, electric
shock, burns, indirect (e.g., a fall from a ladder)
/.A shock's severity depends on: - Answer--- 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: - Answer-On the hands, from direct contact with current
/.Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: -
Answer-black or red
/.More than 50 percent of electrocutions are caused by a worker coming in direct
contact with: - Answer-energized power lines
/.The OSHA standard requires flexible cords to be rated for: - Answer-Hard or extra
hard usage
/.What is the most frequent violation of OSHA electrical standards? - Answer-improper
grounding of circuitry and equipment
/.The three elements of a basic program for electrical safety are: - Answer-recognize,
evaluate and control
/.All portable electric tools that are damaged shall be: - Answer-Removed and tagged
"Do Not Use"
/.If you have a three-prong plug and a two-hole receptacle, it is acceptable to: - Answer-
Use an adapter with an adapter wire connected to known ground
/.All hazards involved in the use of power tools can be prevented by following five basic
safety rules: Keep all tools in good condition with regular maintenance; examine each
tool for damage before use; operate according to the manufacturer's instructions;
provide and use the proper protective equipment; and: - Answer-use the right tool for
the job
/.Live parts of electric equipment operating at 50 volts or more must be: - Answer-
guarded against electrical contact