The mission of the Occupational Safety and Health Administration (OSHA) is:
Accurate 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: Accurate 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?
Accurate 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: Accurate Answer - Workplace and engineering
controls
The three main scaffold types are aerial lifts, supported scaffolds and:
Accurate 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:
Accurate 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: Accurate Answer -
Protect themselves by wearing proper PPE
, OSHA defines an excavation as: Accurate 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:
Accurate 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:
Accurate Answer - wrecking balls and jackhammers
OSHA's electrical standards are based on: Accurate Answer - the NEC
What are the four main types of electrical injuries? Accurate Answer -
Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder)
A shock's severity depends on: Accurate 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: Accurate Answer - On the hands, from direct contact
with current
Hot wires, ungrounded wires that can cause a shock if you touch them, are
usually: Accurate Answer - black or red
More than 50 percent of electrocutions are caused by a worker coming in
direct contact with: Accurate Answer - energized power lines
The OSHA standard requires flexible cords to be rated for: Accurate
Answer - Hard or extra hard usage
What is the most frequent violation of OSHA electrical standards?
Accurate Answer - improper grounding of circuitry and equipment