Nccco core practice quiz Questions Answered And Graded (Updated To Pass!)
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Course
Nccco
Institution
Nccco
what is important for the operator to do when extwnding the outriggers - Correct Answer make visual contact or post a signalperson
what is the minimum swing clearance required between the crane counterweight and any obstacle - Correct Answer 2ft of 360 degree rotation
what function do axl...
Nccco core practice quiz Questions Answered
And Graded (Updated To Pass!)
what is important for the operator to do when extwnding the outriggers - Correct Answer make visual
contact or post a signalperson
what is the minimum swing clearance required between the crane counterweight and any obstacle -
Correct Answer 2ft of 360 degree rotation
what function do axle lockouts (osicillation locks) perform on a rough terrain crane ? - Correct Answer
locks the rear axle and prevents oscillation
what should be primary cocern of an operator when setting up a crane on construction site with newly
constructerd buildings - Correct Answer site compaction
what is the the purpose of placing mats or cribbing under outriggers floats - Correct Answer to
distribute the force when on soft ground
what can happen as a result of the vibrations caused a working crane - Correct Answer underground
utilities may collapse
what should be avoided when setting up crane for work - Correct Answer any area near a trench
what is the purpose of placing the timber blocking under the ends of the crawler tracks - Correct Answer
make the crane more stable
when may blocking be placed under the outriggers beams - Correct Answer blocking is never to be
placed under beams
when lifting with crawler crane how can groudn bearing pressure be reduced - Correct Answer lift over
the side
, when working aroud energized high voltage power lines an operator should never - Correct Answer
allow anyone standing on the ground to touch the crane
when a law requires a crane to be equipped with cage-type boom guards insulating limks and or
proximity warning devices - Correct Answer the crane may handle loadsunder power lines without
additional personnel aid
where shall signs be installed warning that electrocution or serious bodily injury may occur unless
minimum clerance are maintained between the crane or the load being hauled and energized power
lines - Correct Answer at the operator station and outside the crane
which of the foolowing should be considered first during site preparation and planning - Correct Answer
satisfactory access roads
when should all potential site hazards be discovered - Correct Answer during planning and site
inspection
a crane's operating location must be wll clear of - Correct Answer trenches and burried utilities
according to OSHA, which is the minimum clearnace required for a crane in transit when passing under
50kv power lines - Correct Answer 6 feet
what conditions may required an operator to increasee clearance between the crane and energized
power lines while in transit with no load - Correct Answer environmental conditions
which of the following lifts would required a lift review with site supervisior - Correct Answer when two
or more pieces of lifiting equipment are required to work in unison
what is one way to ensure pededestrian traffic does not interfere with crane operations - Correct Answer
block off public access
if a crane is provided with a foot pedal brake lock, the operator has thr freedom to - Correct Answer
allow the legs to relaxwhile keeping feet on the brake pedal
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