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My Utility Specialist Knowledge > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

Where does the compass point??

A

Magnetic north

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2
Q

Trees with the potential to affect the operation of utilities in the future ???

A

Utility forest

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3
Q

Topping is also known as ?

A

Roundover or hat rack

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4
Q

Trees produce more sprouts when??

A

Larger branches are pruned back to smaller branches

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5
Q

Subordination is used …

A

Selectively in specific branches to improve structure

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6
Q

Risk to utility facilities can be mitigated by?

A

Decreasing the load on decayed Branch unions

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7
Q

The majority of electric pruning takes place on?

A

Distribution lines which generally have voltages ranging from 3 to 35 kv

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8
Q

Unlike other trees palms ..

A

Have no means of closing such wounds and are monocots

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9
Q

The practice of pollarding requires??

A

Annual removal of all sprout growth

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10
Q

T/F

Aluminium poles are never used

A

True

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11
Q

Dielectric testing for pole pruners

A

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

75000 volts for 1 minute per foot on fiberglass poles

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12
Q

What do you do if you knock down any utility wires??

A

Report immediately to the utility company and do not touch any wire

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13
Q

What kind of hard hats do you need for utility work??

A

Class E they resist up to 35 pounds impact

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14
Q

T/F

Climbing rope should be use for riigging??

A

False

Climbing rope its only to support the climber and to raise or lower tools less than 15 pounds

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15
Q

Its climbing line a safety rope ?

A

Yes it should never be crotched around the limb being removed

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16
Q

Wheres the best part of the tree to crotch the climbing line ??

A

Around the main leader rather than a lateral branch

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17
Q

How much does an average chainsaw weights with a 12” blade??

A

10 pounds or less

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18
Q

The upward hinge its always useful in line clearance when??

A

Pulling overhangs

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19
Q

The maximum wire sag and sway occurs where??

A

At the center of span . Span is pole to pole

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20
Q

Secondary or service wires can easily be maintained with ??

A

A pole pruner usually operated from the ground

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21
Q

What do you do if the trees are below the wires ??? Or in the middle

A

Call utility center

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22
Q

Aerial devices tools should be clean with ??

A

Non-film cleaning agent

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23
Q

You must maintain lifts by using ??

A

Non-conductive hydraulic oil

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24
Q

The DC. Pump on the aerial lift its intended to do what?

A

For emergency lowering use only, do not run it for over 3 years continuously

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25
Q

Whats the most conductive layer of the tree ??

A

Sapwood ( water / xylem. )

26
Q

The PPE its listed where on a chemical container??

A

The precautionary statements

27
Q

What to do if a tip of a branch its touching lines ??

A

Use insulated or non-conductive tools , they posses a high relatively resistanceto the flow ofelectricity

28
Q

What tools to use if the branch its touching a conductor ??

A

Wooden or fiberglass pole pruner

29
Q

Dropping a limb on two phase wires will cause?

A

A flash , a loud noise and in interruption to electric service

30
Q

Trees that become pinned by another larger tree??

A

Springpoles

31
Q

How to release springpoles?

A

Make a series of kerf cuts

32
Q

Whats the distance of the safety zone when removing a tree??

A

At least equal in radius to the heigh of the tree

33
Q

Tree growth regulators works best on what kind of trees?

A

Decurrent trees ,,, not so much on excurrent trees like pines

34
Q

On excurrent trees work may start ?

A

From the bottom to the top

35
Q

On decurrent trees work can start ?

A

From the top and work your way down

36
Q

Climbing lines should be at least?

A

A minimum diameter of
1/2
Synthetic fiber
Minimum breaking strenght of 5400 pounds

37
Q

Is OSHA a federal law ?

A

Yes

38
Q

Disadvantages to use a rear tractor brush hog ?

A

Rocks flying everywhere

39
Q

Reclosers are to protect what??

A

The distribution lines

40
Q

The MAD minimum approach distance is bases on ?

A

Maximum potential operating voltage phase to phase

41
Q

0.05 to 1.0 kv

A

Avoid contact direct or indirect

42
Q

1.1 kv to 15kv

A

2.4 feet minimum approach distance for qualified clearance arborist

43
Q

Fire extinguisher pass

A

Pull aim squeeze sweep

44
Q

Copper and aluminum has ?

A

Low resistance and are good conductors

45
Q

Cut outs or fuses protect?

A

Customer appliances and utilities hardware

46
Q

GIS

A

Geographic Information System

47
Q

Electric wires on a primary distribution circuit are

A

Sub-station to 3 phase wire 100amp First large number of customers

3 phase to 3 phase 100 amp second largest number of customers

48
Q

Phases are called depending on the utility

A

A B OR C
X Y OR Z
ROAD - MIDDLE - FIELD

49
Q

Whats the function of the wire thats wrapped around the triplex wire ?

A

Is acting as neutral or ground which acts as carrier or messenger

50
Q

Whats does a loop (snowshoes) do??

A

To store spare fiber

The loop allow the wire to uncoil or stretch rather than break

51
Q

We are not tree trimmers

A

We are utility arborist

52
Q

We dont trim trees

A

We prune trees

53
Q

The generator at the power plant rotates at?

A

3600 rpm equals 60 cycles times 60 seconds

54
Q

Fire extiguisher PASS

A

Pull-Aim-Squeeze- Sweep

55
Q

Switches

A

Help manage the electrical network

Manually operated

NOT designed for line protection

56
Q

A disadvantage of substation circuiits

A

When one blows it takes down a whole section of transmission

57
Q

Everytime a recloser opens its called

A

A permanent operation or lockout

58
Q

T/F

Cutouts are fuses to operate above 600 V

A

True

59
Q

How many bushings does a voltage regulator have normally?

A

Usually have 3 bushings and a gauge

60
Q

What does a capacitator fo ?

A

Hold and slowly release voltage

My Utility Specialist Knowledge (1 decks)

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