ISA master study set, Over 450 Questions And
Correct Answers
As used in many standards and regulations, the term _______ denotes a
mandatory requirement, and the term _______ denotes an advisory
recommendation.
shall
should
Name five pieces of personal protective equipment that are generally required for
all tree workers.
hard hat
eye protection
hearing protection, when applicable
leg protection, when applicable
sturdy work boots and appropriate clothing
True/False - All communications wires and cables shall be considered to be
energized with potentially fatal voltages and shall never be touched directly or
indirectly.
True
True/False - OSHA regulates industrial safety and health issues in the United
States (OHSA, in Canada)
True
The safety standard for tree care operations in the United States is the ______.
ANSI Z133
True/False - Head protection need only be worn while there are climbers in the
trees.
False
True/False - Eye protection is not required for tree work.
False
True/False - Hearing protection may be in the form of ear plugs or ear-muff-type
devices.
True
True/False - Workers must not wear gauntlet-type gloves while chipping brush.
True
If a climber warns, "Stand clear," he or she must not proceed until hearing the
acknowledgement, _______ _______.
"all clear"
Each job should begin with a _______ _______, which coordinates the activities
of every worker.
job briefing
The voice _______ and _______ system ensures that warning signals are heard,
acknowledged, and acted on.
command
response
,All workers should receive some education and training in _______ _______
procedures including CPR, first aid, and aerial rescue.
emergency response
True/False - Any tree workers who work in proximity to electrical conductors
must receive training in electrical hazards.
True
True/False - "Electrical conductor" is defined as any overhead or underground
electrical device, including wires and cables, power lines, and other such
facilities.
True
True/False - Rubber footwear and gloves provide absolute protection from
electrical hazards.
False
Always engage the ______ ______ before starting a chain saw.
chain brake
True/False - The chain brake must be engaged if the operator takes one hand off
the running saw or takes more than two steps.
True
True/False - The chain saw engine must be stopped for refueling.
True
True/False - Kickback can occur when the upper tip of the chain saw guide bar
contacts an object.
True
True/False - A well-trained climber, in good condition, should be able to dodge
the kickback of a chain saw.
False
Name three types of notches used in tree felling.
open face
traditional (45 degrees)
Humboldt
Generally, the depth of the felling notch should not exceed ______ - ______ of the
diameter of the tree.
one-third
The _______ is critical in controlling the direction of fall.
hinge
Sometimes, if the tree is leaning in the direction of fall or has internal faults, the
tree can split upward from the back cut. This is called a ______ ______, and it can
be very dangerous.
barber chair
Workers should feed brush into chippers from the ______ and not allow any part
of the body to cross the plane of the in-feed chute.
side
True/False - Safety is the responsibility of all employees from the owner to the
ground worker.
True
,A condition that often follows accidents in which the victim may experience a
weak and rapid pulse, shallow breathing, and cool, clammy skin is known as
______.
shock
If a victim is not breathing, it is necessary to perform ______ ______.
artificial respiration
In the United States, three plants that can cause severe skin rashes are ______
______, ______ ______, and ______ ______.
poison ivy, poison oak, poison sumac
leg protection for chain saw use
chaps
advisory recommendation
should
cardiopulmonary resuscitation
CPR
body touches energized conductor
direct contact
mobile elevated work platform
MEWP
mandatory requirement
shall
meets applicable standards
approved
touching an object in contact with an energized conductor
indirect contact
According to many standards, the term "shall" denotes...
a mandatory requirement
Which of the following should be considered energized with a potentially fatal
voltage?
overhead electric lines
underground electric lines
telephone and cable TV wires
Head protection is required for tree workers...
whenever performing tree care operations
The situation that can cause chain saw kickback is...
the upper quadrant of the guide bar contacts an object
Which of the following should be treated first?
severe bleeding
suspended breathing
poisoning
heat stroke
suspended breathing
List four defects that might be found during rope inspection that would require a
rope to be retired.
, cuts, excessive fraying
puffs, pulled or herniated fibers
abrasions
changes in diameter
discoloration
glazing of the fibers
Before climbing a tree, a climber should inspect the tree for hazards such as...
(list 5)
broken limbs
electrical hazards
dead limbs
decay
splits
True/False - The load on any piece of climbing or rigging equipment can be many
times higher than the weight of the climber or the limb being rigged.
True
The ______ ______ reported by the manufacturer is the breaking strength of a
rope or piece of hardware.
tensile strength
Climbers may also choose to use a ______ - ______ device when tying in. This
can reduce the wear on the rope and damage to the tree and can, in some cases,
facilitate climbing.
friction-saving
A _____ - _____ knot is often tied in the tail from the climbing hitch as a _____
_____ to prevent the end from going through climbing hitch.
figure-8
stopper knot
A _____ is a type of knot used to secure a rope around an object, another rope, or
the standing part of the same rope. A _____ joins two rope ends together.
hitch
bend
Two methods of using a climbing line to ascend a tree are _____ - _____ and
_____ _____.
body-thrust
secured footlock
True/False - When footlocking, putting the hands on or above the Prusik hitch
could cause it to slide down the climbing line, creating a fall.
True
Because _____ _____ can damage a tree, they are approved for use only on trees
to be removed, or for aerial rescues.
climbing spurs
For added stability and safety, a climber should be secured with a _____ - _____
_____ in addition to the climbing line when using a chain saw in a tree.
work-positioning lanyard (or another line)
True/False - The most important factor in any aerial rescue situation is speed -
getting the victim to the ground in the shortest amount of time possible.
