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NCCCO MOBILE CRANE ACTUAL EXAM -

\LATEST UPDATE \COMPLETE QUESTIONS AND

CORRECT DETAILED ANSWERS \ASSURED PASS

ALREADY GRADED PASS \GRADED A+

Mobile cranes should be level to within what percent of grade?1% Timber crane mats work best when they are Bolted together When arriving in the crane at the job site, the operator should first determine the condition of access roads Increasing the distance from the crane's center of gravity to the tipping axis will have what effect on the mobile crane?Decreases stability.Backward stability of a mobile crane is tested in which configuration listed below?Basic boom at minimum angle with no load Deflection of the boom while operating a mobile crane will increase?Load Radius (Swings out) A sudden start or stop of the hoisting function while operating a mobile crane can

produce a:

dynamic load Before lifting an occupied personnel platform on a job site, which of the following applies?Use 50% of rated capacity, Trial lift to anticipated weight, Ensure rigging dedicated to platform only.According to OSHA 1926.1431, while hoisting a personnel platform, what weather condition listed below will promptly discontinue the operation?Dangerous If working near overhead power line and using a tag Polypropylene 1 / 3

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line, which type of rope is least conductive to electricity?When working near power lines with the mobile crane, where does OSHA require caution stickers be installed on all equipment?At operators station and 2 on the outside of the equipment.According to OSHA table T, what is the minimum clearance for 133kV power lines?10ft According to OSHA's table T, what clearance should a mobile crane IN TRANSIT keep while going under 445kV lines?16ft According to OSHA when is it safe to hoist loads with a mobile crane below energized power lines?When the fully extended boom can't reach the prohibited zone.According to OSHA 1926.1411, when you encounter power lines with a voltage of 44kV and the crane is

TRAVELING,

according to Table T, what is the minimum required clearance?6ft According to OSHA, mobile crane load block hooks must not have a

twist in excess of:

According to OSHA, mobile crane load blocks hooks must not have a throat

opening in excess of:

5% Before leveling a mobile crane on outriggers, an operator should

ensure:

there is no weight of the crane bearing on any tires 2 / 3

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Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered?Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave?Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, before it should be removed from service?6 On a mobile crane, how many broken wires are permitted at the end connection of a pendent before it must be taken out of service?1 Type 1 rotation resistant hoist wire rope has a design

factor of:

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How many randomly distributed broken wires in rotation- resistant hoist wire rope are considered for replacement?

• broken wires in 6 rope diameters

The term net capacity is best defined by which of the terms listed below?Gross capacity minus capacity deductions Mobile cranes that are set up on barges, shall have a list chart provided by which of the entities listed below?Manufacturer When lifting loads on tires, 75%

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