50 Questions | Total Attempts: 42  Settings  Ya ya yah yah ayeah yeah

• 1.
The ability of a material to resist the flow of current
• A.

• B.

Fire retardant

• C.

Resistance factor

• D.

Die electric strength

• 2.
What is the general rule for determining the correct depth in which to set a pole
• A.

8% + 2ft

• B.

7% + 2ft

• C.

10% + 2ft

• D.

9% + 2ft

• 3.
What is the minimum depth of ducts or directly buried cabled on public roads
• A.

55.5 inches

• B.

45.5 inches

• C.

35.5 inches

• D.

25.5 inches

• 4.
Used in paralleling two primary line
• A.

Universal stick

• B.

Phase rotation meter

• C.

Phasing stick

• D.

Volt meter

• 5.
A meter put on a conductor to measure the maximum current over period of time
• A.

Ammeter

• B.

Volt meter

• C.

Phase rotation meter

• D.

Maxi meter

• 6.
An insulator that has flashed over should be
• A.

Cleaned with dry cloth

• B.

Removed and replaced

• C.

Ignored

• D.

Observed

• 7.
When using a clip on an ammeter what should be done with the volt meter leads
• A.

Removed

• B.

Leave as is

• C.

Cleaned

• D.

Replaced

• 8.
What current range on the clip on ammeter should the first reading be take at
• A.

Lowest

• B.

Mid range

• C.

Highest

• D.

Doesnt matter

• 9.
How can a three phase motor be made to turn in the different direction
• A.

• B.

Increasing voltage

• C.

Installing winding device

• D.

Removing the ground

• 10.
What is the minimum allowable gaff lenght for your spurs to be at
• A.

1 1/4 inches

• B.

1 1/2 inches

• C.

2 inches

• D.

1 inch

• 11.
Why is it important to rotate the sleeve when making a compression connection
• A.

For aesthetic purpose

• B.

To prevent cracks on the connector

• C.

To make a successful connection

• D.

To make sure it stays straight

• 12.
Can volt meter ranges be switched while attached to an energized circuit
• A.

Yes, nothing will happen

• B.

No, it could cause harm to unit and user

• 13.
Two methods for determining the correct sag of conductor
• A.

Conductor measurement and transit sagging

• B.

• C.

Visual sagging with transit and measurement with dynamometer

• D.

Visual sagging and estimate of clicks

• 14.
The best clothing to wear while performing linework are made of what kind of fabrics
• A.

Wool

• B.

Cotton or natural fibers

• C.

Nylon or plastic

• D.

Leather

• 15.
Which die on an MDs exerts most pressure, the inside die or the outside nose die?
• A.

Same

• B.

Inside

• C.

Outside

• D.

Neither

• 16.
What is the current drawn by a 1500watt electric heater connected to a 240 volt source
• A.

4.25amps

• B.

5.25amps

• C.

6.25amps

• D.

7.25amps

• 17.
What determines that sag of a conductor?
• A.

Elevation, temperature, tension

• B.

Weight of conductor, elevation, span length

• C.

Span length, tension, weight of conductor

• D.

Temperature, type and size of conductor, span length

• 18.
If after testing a boom truck for leakage the result was over limit
• A.

Seal the leakage

• B.

Be extra cautious and proceed with work

• C.

Bring truck to shop

• D.

Wipe liners with solvent

• 19.
How do you figure trailer capacity
• A.

Weight and length

• B.

Width and length

• C.

Class and weight

• D.

Weight and width.

• 20.
Power transformers are used
• A.

To step down

• B.

Nothing

• C.

• D.

To step up

• 21.
What instrument is used to test transformer winding insulation
• A.

Phase meter stick

• B.

Megger

• C.

Maxi meter

• D.

Ammeter

• 22.
To maintain constant voltage on an AC distribution with variations in load
• A.

• B.

Install new transformer

• C.

Install voltage regulator

• D.

• 23.
What snuffs the arc as the circuit breaker interrupts on heavily loaded circuits ?
• A.

Water

• B.

Air

• C.

Oil

• D.

• 24.
Can circuit breakers have a reclosing fuction?
• A.

Yes

• B.

No

• C.

Maybe

• D.

Unknown

• 25.
Where are power transformers located?
• A.

Relay stations

• B.

Substations

• C.

Metering facility

• D.

Power generation plants Back to top