General Knowledge

Question 1

When rigging the safety zone should be at least ???

Answer 1

Equal in radius to the height of the tree

Question 2

Barberchair

Answer 2

Potentially dangerous condition whereby a limb or treee under pressure splits while being cut

Question 3

What does the downward hinge allows you to do ?

Answer 3

Allows the branch to fall slowly , brush end first

Question 4

Whats the general rule to reach for a victim??

Answer 4

Use the safest , fastest method available to get to a victim.

Question 5

How its included bark created ???

Answer 5

Where 2 branches compete for the same space . Forming a “ V “ crotch

Question 6

Electricity tends to run through the body via ?

Answer 6

Blood vessels , bones and nerves rather than over the surface of the skin

Question 7

The faster a tree grows …

Answer 7

The more porous and less dense its the wood. Density of wood is a leading factor in how easily a tree will break

Question 8

T/F One and one -third kilowatts is equal to about one horsepower

Answer 8

True

Question 9

T/f A delta circuit does not have a voltage difference between phase wires

Answer 9

True

Question 10

T/F the climbing rope shall not be used for rigging

Answer 10

True

Use other work ropes to lower limbs and handle chainsaws over 15 pounds

Question 11

What type of rope should be use to rescue a victim??

Answer 11

Clean and dry extra 1/2 rope

Question 12

The carbon created on a limb makes the tree?

Answer 12

More conductive than it was before

Question 13

100 milliamperes can cause

Answer 13

The heart to go into fibrillilation

Question 14

1 way to avoid barberchair is ?

Answer 14

To secure the trunk with a log chain and wedges or a pole binder similar to a ratchet strap on a heavy duty dolly.

Question 15

The MAD are based on ?

Answer 15

The maximum potential operating voltage phase to phase in the energized conductors

Question 16

When the trees are excurrent like pines rigging should start ?

Answer 16

From bottom and work up

Question 17

Whats inside a tree?

Answer 17

Bark- phloem- cambium - xylem and heartwood

Question 18

Rigging on decurrent trees may start?

Answer 18

From the top and work down

Question 19

When its the upward hinge useful?

Answer 19

When pulling overhangs in line clearance

Question 20

Dropping a limb on two phase wires will??

Answer 20

Cause a flash , a loud noise and an interruption to electric service

Question 21

All line clearance tree pruning can de divided into the following five general types

Answer 21

Row
Top
Side
Under
Overhang

Question 22

T/F grass its a non-woody plant

Answer 22

True

The meristem is located just below the soil level

Question 23

When the stem bark ridge turns upward …

Answer 23

The stems have a strong union

Question 24

First task on any removal job ??

Answer 24

Inspection of the job site and job briefing for the entire crew

Question 25

After how many minutes the brain damages starts to occur??

Answer 25

When the brain its without oxygen after 4 minutes .. rescuers should try to rescue the victims in 4 mins if possible

Question 26

Reclosers in descending order from substation to single phase line

Answer 26

100 amps from substation to 3 phase line largest number of customers . 100 amps 3 phase line - second largest number of customers. 50 amps single phase line - third highest number of customers 25 amps single phase cutouts or reclosers are the smaller number of electric customers

Question 27

A switch that functions like a circuit breaker protecting circuits from fault conditions

Answer 27

Recloser

Question 28

To break the contact between a victim and energized conductor what should you do ??

Answer 28

Use a non-conductive or insulated tool

Question 29

One ampere is equal to

Answer 29

1000 milliamperes

Question 30

When deciduous tree branches have sprouts growing into utility lines what should you do ??

Answer 30

Remove the entire branch and not just the tips

Question 31

What are the dielectric testing requierements for pole pruners??

Answer 31

50,000 volts for 1 minute per foot on wood poles 75,000 volts for 1 minute per foot on fiberglass poles

Question 32

Dr alex shigo in 1983 develop a revolutionary theory for ??

Answer 32

Identifying a process by which trees respond to wounding CODIT

Question 33

When the stem bark ridge turns inward (arrows going down) ...

Answer 33

Th stems have a weak union , climbers should be careful tree eventually fail

Question 34

T/F its OSHA a federal law ??

Answer 34

True

Question 35

Copper and aluminum have ??

Answer 35

Low resistance and are good conductors

Question 36

A qualified line clearance arborist can work up to ?

Answer 36

2’ 4” with a maximum potential operating voltage of 1.1 to 15.0 kv phase to phase

Question 37

Arborist climbing line should be what size when new ??

Answer 37

Shall have a minimum diameter of 1/2” and be constructed of synthetic fiber with a minimum nominal breaking strength of 5,400 pounds when new

Question 38

What does a hinge cut does ?

Answer 38

The branch in hinged up and away from the electric conductor using a fall crotch and a pulley in the tree , a hinge cut is made on the opposite direction where the arborist wants the limb to swing

Question 39

T/F The fatality of a worker in 1968 was the impetus behind the development of the original standard

Answer 39

True

Question 40

Whats the first rule in pruning?

Answer 40

No cutting without a reason

Question 41

0.05 to 1.0 at an elevation of 5000 feet sea elevation

Answer 41

Avoid direct or indirect contact

Question 42

T/F crotch the climbing rope around the main leader rather than on a lateral branch

Answer 42

True

Question 43

Most common kind of non-lethal harm suffered by electric shock ???

Answer 43

Neurological problems

Question 44

T/F trees grow by stem elongation?

Answer 44

True | Tree branches always add new growth beginning where the old growth stopped.

Question 45

Whats the most conductive part of a live tree ??

Answer 45

Sapwood (xylem)

Question 46

Type 2 climbing saddles

Answer 46

Must have drop forged support D rings

Question 47

Appropiate rope size for block size

Answer 47

Sheave diameter ———rope diameter ``` 4” ——— 1/2” 5” ——— 5/8 6” ———3/4 7” ———-7/8 8” ———- 1” ```

Question 48

T/F silver maples grow faster than sugar maples

Answer 48

True

Question 49

Should a a tree thats its leaning heavily due to ice or snow should be removed with normal notch and backcut??

Answer 49

No . There is unusual pressure on the trunk of the trees and barberchair could occur