COMPREHENSIVE FREQUENTL Y TESTED

NCCCO MOBILE CRANE Update

COMPREHENSIVE FREQUENTL Y TESTED

QUESTIONS and verified answers WITH RATIONALES|100% accurate answers | already graded A+ Terms in this set (99)

• What action does a

signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up?

• Boom down
• Swing
• Boom up
• Extend boom

c.

• When hoisting

personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid?

• 1%
• 2%
• 5%
• 8%

a.1/9/25, 7:57 PM NCCCO MOBILE CRANE Update COMPREHENSIVE FREQUENTLY TESTED QUESTIONS and verified answers WITH … https://quizlet.com/991244918/nccco-mobile-crane- -update-comprehensive-frequently-tested-questions-and-verified-answers-with-rationale… 1/25 1 / 3

• The load line of the

crane you're operating contacts an energized power line. There's no sign of any other danger, such as fire. What should you do?

• Climb down carefully

from the crane cab

• Jump down, feet

together

• Stay in the cab until the

lines are de-energized

• Get as far away from

the crane as possible c.

• According to OSHA

1926.1413, how many randomly distributed broken wires in rotation- resistant rope are cause for replacement of the rope?

• 1 broken wire in 6 rope

diameters

• 2 broken wires in 30

rope diameters

• 3 broken wires in one

strand in one lay

• 2 broken wires in 6

rope diameters d.1/9/25, 7:57 PM NCCCO MOBILE CRANE Update COMPREHENSIVE FREQUENTLY TESTED QUESTIONS and verified answers WITH … https://quizlet.com/991244918/nccco-mobile-crane- -update-comprehensive-frequently-tested-questions-and-verified-answers-with-rationale… 2/25 2 / 3

• What is the net

capacity of a crane on main boom unless the manufacturer states otherwise?

• The capacity listed in

the load chart minus the weight of the rigging and all attachments

• The capacity listed in

the load chart plus the weight of the rigging and all attachments

• The capacity listed in

the load chart minus the weight of the rigging and all attachments not in use

• The capacity listed in

the load chart minus the weight of the rigging alone a.

• What may happen to a

properly rigged load when lifted off the ground unless the operator takes account of boom deflection?

• It could swing out

away from the crane

• It could swing in

towards the crane

• It could raise

absolutely vertically

• It could shift in its

rigging a.1/9/25, 7:57 PM NCCCO MOBILE CRANE Update COMPREHENSIVE FREQUENTLY TESTED QUESTIONS and verified answers WITH … https://quizlet.com/991244918/nccco-mobile-crane- -update-comprehensive-frequently-tested-questions-and-verified-answers-with-rationale… 3/25

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