3-3-12

The "father" of helicopters began work on helicopters as early as ? . a.1900 b.1910 c.1925 d.1930

B. 1910

The two bridle ropes used with a spreader bar in helicopter work should be 5/8 inch by ? double-braided. a.10' b.12' c.18' d.22'

C. 18'

Crew members do not need to agree on visual "hooked" and "unhooked" signals before commencing work with a helicopter as long as there is radio communication. Select one: True False

False

Normal approach distances are to be maintained during a helicopter timber change near energized lines. Select one: True False

False

Only the foreman on the work site may communicate with the pilot. Select one: True False

False

The helicopter will normally hold a new timber in place until it has been fastened in place. Select one: True False

False

When using a helicopter, insulator strings may be left in place on the old timbers when replacing them because it is the safest method. Select one: True False

False

The first military helicopter was delivered to the U.S. Army in 1941. Select one: True False

True

The radio operator must wear something that makes him or her visible to the pilot and distinct from the rest of the crew. Select one: True False

True

When working near energized power lines, the pilot must use a(n) ? load line. a.approved non-conductive b.downdraft guard on the c.safety break-away d.tag line attached to the

a.approved non-conductive

The spreader bar is allowed to make contact with the striker arm when replacing timbers using a helicopter in order to ? . a.discharge the electrical charge b.help position the helicopter c.help the Qualified Electrical Worker guide the timber d.position the new timber

a.discharge the electrical charge

The spreader bar of a timber lifting assembly should be made of ? . a.angle iron b.epoxy c.steel d.wood

b.epoxy

OSHA ? pertains to the use of helicopters. a.1910.05 b.1910.133 c.1910.183 d.1910.269

c.1910.183

The striker poles on a catch arm used when changing out a timber are to be ? long. a.2' - 5' b.3' - 6' c.4' - 6' d.5' - 8'

c.4' - 6'

The protected work zone while the helicopter is moving into position when replacing a timber is ? . a.5' below the bottom brace b.belted in above the catch arm c.belted in below the catch arm d.off the pole

c.belted in below the catch arm

When performing a live-line timber change near energized power lines, the pilot must disarm the ? . a.air-to-ground radio b.crew voice interlink c.electrically-operated quick release d.helicopter grounding feature

c.electrically-operated quick release

Catch arms are made of welded aluminum and have ? wheel-type chain tighteners attached. a.2 b.3 c.4 d.6

A. 2

If tag lines are attached to a new timber that is being installed by helicopter on an energized line, the tag lines must not be more than ? long. a.5' b.7' c.9' d.10'

A. 5'

The hook lines used as part of a spreader bar assembly should be 5/8 inch by ? double-braided rope. a.5' b.6' c.7' d.8'

A. 5'

Timber catch arms are mounted on the ? face of the pole when preparing to change out a timber using a helicopter. a.inside b.load c.outside d.source

A. Inside