True/False Indicate whether the
statement is true or false.
|
|
1.
|
When starting a chainsaw, the
chain brake should be engaged.
|
|
2.
|
For safety reasons, it is
advisable to carry a chainsaw forward with the bar in front of the body.
|
|
3.
|
Bumper spikes are considered a
safety feature since they help the operator stabilize the saw during a cut.
|
|
4.
|
Kickback is the single greatest
cause of injury to chainsaw users.
|
|
5.
|
You should call a professional arborist if at any time the cutting situation
requires more skills than you have.
|
Multiple Choice Identify the
choice that best completes the statement or answers the question.
|
|
6.
|
Which of the following is NOT considered to be one of the four steps to
prevention of chain saw injuries?
a. | education | d. | chain sharpening | b. | supervised practice | e. | safe operation at the site | c. | the planning
phase |
|
|
7.
|
Which is NOT part of chain saw operations?
a. | starting | c. | bucking | e. | felling | b. | limbing | d. | chipping |
|
Multiple Response Identify one
or more choices that best complete the statement or answer the question.
|
|
8.
|
The two most common places for injuries are the _______ ________ _________
and the ________ _________ _________.
|
|
9.
|
Check all of the items that should be on a personal equipment list for a chain
saw operator.
|
Numeric Response
|
|
10.
|
According to your notes, over ____________ people are injured by chain saws
every year. (do NOT use a comma in your answer)
|
|
11.
|
A chain saw muffler can reach as much as ______ º F, making it a potential
safety hazard on the saw.
|
|
12.
|
When someone is cutting down a tree, the felling notch should not exceed _____%
of the tree’s diameter.
|
|
13.
|
You should always plan an escape route that is a path at a ______º angel
away from the line of the tree’s fall.
|
Completion Complete each
statement.
|
|
14.
|
One in five chain saw injuries are from _________________.
|
|
15.
|
The removing of branches from a fallen tree is known as ______________.
|
|
16.
|
The cutting of a log into sections is known as _____________.
|
|
17.
|
There are two main types of felling cuts: the _____________ cut and the open
face cut.
|
|
18.
|
When cutting down a tree, the ________ cut is made last.
|
Matching
|
|
|
Match the following chain saw operator injury or safety hazard with its
description. a. | entanglement | f. | crown shatter | b. | widowmaker | g. | barber chair | c. | vibration syndrome | h. | spring pole | d. | setback | i. | kickback | e. | stump jump | j. | moving tree |
|
|
19.
|
A tree can become arched as it is felled and when cut it can violently strike
out.
|
|
20.
|
Is caused by the hinge being cut or breaking when the tree is falling; the tree
can jump or roll in any direction.
|
|
21.
|
This occurs when the backcut or felling cut is made and if the tree leans too
far, the butt of the tree can kick backward.
|
|
22.
|
This occurs when the crown of the tree has been felled or a nearby tree snaps
or shatters.
|
|
23.
|
This is caused by loose branches falling from the tree due to vibrations from
the chain saw.
|
|
24.
|
This is caused by a spinning chain coming in contact with resistance; the chain
saw can come back toward your face very rapidly.
|
|
25.
|
Frequent users of chain saws get white knuckles and a loss of feeling in their
fingers from the vibrations of the chain saw.
|
|
26.
|
Trees that are being cut down may sometimes drag or snap other trees.
|
|
|
Match the following parts:
|
|
27.
|
guide bar
|
|
28.
|
chain sprocket
|
|
29.
|
bumper spike
|
|
30.
|
chain catcher
|
|
31.
|
twist lock
|
|
32.
|
chain brake
|
|
|
Match the following parts:
|
|
33.
|
rear handle
|
|
34.
|
rear hand guard
|
|
35.
|
front handle
|
|
36.
|
muffler
|
|
37.
|
front hand guard
|
|
38.
|
starter grip
|
|
39.
|
master control lever
|
|
40.
|
throttle trigger interlock
|