Exam (elaborations)
NCCCO CORE including tables QUESTIONS & ANSWERS(RATED A)
- Course
- Institution
TT 345-750V - ANSWER 16ft TT TA 500-750V - ANSWER 35ft TA TT 50-345V - ANSWER 10ft TT TA 750-1000V - ANSWER 45ft TA
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NCCCO CORE including tablesQUESTIONS &
ANSWERS(RATED A)
TT 345-750V - ANSWER 16ft TT
TA 500-750V - ANSWER 35ft TA
TT 50-345V - ANSWER 10ft TT
TA 750-1000V - ANSWER 45ft TA
TA 50-200V - ANSWER 15ft TA
TA 350-500V - ANSWER 25ft TA
TT 750-1000 - ANSWER 20ft TT
TT .01-.75 - ANSWER 4ft TT
TA 200-350V - ANSWER 20ft TA
, TA up to 50V - ANSWER 10ft TA
TT .75-50V - ANSWER 6ft TT
How many electrocution hazard warnings must be displayed - ANSWER 1 in cab 2
outside
Using Running wire rope, ________ randomly distributed broken wires in
________ rope lay - ANSWER 6-1
________ broken wires in one STRAND in______ rope lay - ANSWER 3-1
What is the ASME/ANSI standard for mobile cranes - ANSWER B30.5
Inspections every shift - ANSWER By a competent person and no document
needed
Monthly inspection - ANSWER Competent person documented for 3 months
Annual inspection - ANSWER Qualified person documented for a year
When should taglines be used - ANSWER When load is dangerous
When hoisting personnel, within what percentage of level must a telescopic boom
need to be at - ANSWER 1%
, What do you do if a crane has been energized but no sign of fire exists - ANSWER
Stay in cab until de-energized
Net capacity of cranes main boom - ANSWER Capacity listed in load chart minus
rigging and all attachments
What area do truck cranes without a 5th outrigger have no lifting capacity -
ANSWER Over the Front
Definition of operating radius - ANSWER Distance from center of rotation to
center of gravity of the load
Which Quadrant are rough terrain crane capacities greater - ANSWER Over the
front
From which 2 points should the boom be measured - ANSWER Boom hinge pins to
center of boom tip sheeve
Which quadrant are truck crane capacities greater - ANSWER Over the rear
Which accessible area of an operating crane must always be barricaded - ANSWER
Swing radius of superstructure
When does OSHA permit hoisting personnel by crane - ANSWER When there is no
less hazardous or practicable way
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