3-3-10

The work sticks used to pull a cotter key on a 230-kilovolt line should be ? long. a.8' b.10' c.11' d.12'

B. 10'

Three ? spiral link sticks are used with an auxiliary arm when changing insulators or a crossarm on a 60-kilovolt angle with a boom truck. a.24" b.27" c.36" d.48"

B. 27"

Changing insulators and the crossarm from the pole when there is a line angle requires a second temporary arm to be installed ? the arm to be changed. a.90° to b.close below c.on the back of the bolt of d.within 2' above

B. Close below

The piece of equipment identified is called a ? . a.foot rest b.platform c.suspension saddle d.tower step

B. Platform

When changing a timber on a 230-kilovolt tangent structure, the center conductor is lowered ? in order to give normal limits of approach between the end of the timber and the conductor. a.15' b.20' c.25' d.30'

C. 25'

The gin pole that will lower and raise a timber on a 230-kilovolt line is four inches by four inches by ? . a.4' b.6' c.8' d.10'

D. 10'

The wire tongs used along with a temporary arm when changing insulators or crossarms on an angle are 2 1/2 inches by ? in length. a.8' b.10' c.12' d.14'

D. 14'

The insulators on a 287-kilovolt deadend insulator change are lifted using ? slings when using a boom truck with a fiberglass extension. a.2 b.3 c.4 d.5

D. 5

A fiberglass extension used on a boom truck to maneuver a 230-kilovolt phase should be ? , have a current test date sticker, and be non-retractable. a.1 1/2" in diameter b.6' long c.a minimum 6' in length d.dielectrically tested

D. Dielectrically tested

A strain cradle is the only equipment that can be used to take the strain off the insulators of a type D 230-kilovolt angle. Select one: True False

False

If one set of insulators must be changed out on a vertical running corner, an auxiliary arm must be used in conjunction with a non-retracting fiberglass boom when using the boom truck/bucket truck method. Select one: True False

False

The auxiliary arm used to hold conductors is attached to the retractable fiberglass boom on the line truck. Select one: True False

False

The insulator cradle used on a 287-kilovolt deadend is installed in the cold yoke first and then swung into position and into the hot yoke. Select one: True False

False

When changing out deadend insulators on a 60-kilovolt line, the only method to relieve the strain on the insulators is the sling, web hoist, and insulator method. Select one: True False

False

The center conductor is moved 25 feet and towards pole #1 on a 230-kilovolt H-frame timber change to allow for proper clearance. Select one: True False

True

When changing out a long timber on a 230-kilovolt type D angle, the guy wire is replaced with two ? by eight-foot strain link sticks connected end to end. a.1 1/2" b.1 3/4" c.2" d.2 1/2"

a.1 1/2"

The two trucks shown are set up to perform insulator maintenance in the ? position. a.alternate boom truck b.counter pose c.diagonal bisect d.slack guy

a.alternate boom truck

In order to maintain working clearance, the first outside conductor is raised ? using a temporary arm when changing insulators or crossarms on an angle. a.approximately 2" to 4" b.enough to provide the necessary clearance c.exactly 4' d.only if needed to allow grounds to be applie

b.enough to provide the necessary clearance

On a 287-kilovolt deadend insulator change from the pole, the ? work platform is installed approximately ? above the deadend. a.8' / 6' b.8' / 8' c.12' / 6' d.12' / 8'

c.12' / 6'

A timber is lowered from a 230-kilovolt structure using a gin pole, a snatch block, and a ? double-braided bull line. a.1/4" b.3/8" c.1/2" d.5/8"

d.5/8"

An auxiliary arm equipped with a spiral link stick, as used when changing out insulators or crossarms, must be configured so that the ? conductor is lifted first. a.center b.inside c.neutral d.outside

A. Center