NCCCO CORE QUESTIONS AND ANSWERS GUARANTEE A

NCCCO CORE QUESTIONS AND ANSWERS GUARANTEE A+

✔✔According to OSHA 1926. 1408, the minimum clearance between any part of the crane and power lines rated 50kV or below shall be: - ✔✔10 feet w/encroachment precautions

✔✔According to OSHA 1926 1408, for power lines rated 100kV the minimum clearance between the crane and any lines shall be? - ✔✔15 feet w/encroachment precautions

✔✔The term "jib offset" can be expressed as the jib angle to which mobile crane component listed below? - ✔✔Boom

✔✔On a mobile crane the term "part's of line" refers to which item listed below? - ✔✔The number of lines running thru the load block and boom point sheaves

✔✔What is the design factor for grade 80 chain slings? - ✔✔4

✔✔What grade alby steel chain should be used for hoisting slings? - ✔✔80

✔✔Loads rigged using a basket hitch should be ____ to prevent slippage. - ✔✔Balanced

✔✔When slings encounter sharp edges on loads to be lifted, riggers shall ensure that

slings are: - ✔✔Protected or padded

✔✔According to OSHA, quadruple sling bridle ratings are the same as - ✔✔triple sling bridle ratings

✔✔Which statement listed below is correct about basic load rigging? - ✔✔As horizontal load angle decreases, stress increases

✔✔The approximate percentage of strength of choker, vertical, and basket hitches

respectively are: - ✔✔75%, 100%, 200%

✔✔According to ASME which of the following listed below shall NOT be used for the suspension system on suspended personnel platforms? - ✔✔Synthetic web bridle

✔✔When rigging a bundle of pipe or tubing, which of the following would provide the best contact between sling and load? - ✔✔Double wrap choker

✔✔For any signal other than emergency stop, who is permitted to give hand signals to the crane operator during a lift - ✔✔A qualified signal person 1 / 2

✔✔Move slowly hand signal - ✔✔

✔✔Use whipline hand signal - ✔✔

✔✔What is the first element of voice signals given to a crane operator prior to the lift? - ✔✔Function and direction

✔✔According to OSHA, each series of voice signals contain how many elements? - ✔✔Three

✔✔ Before leveling a mobile crane on outriggers, an operator should ensure: - ✔✔there is no weight of the crane bearing on any tires

✔✔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: - ✔✔5 to 1

✔✔How many randomly distributed broken wires in rotation- resistant hoist wire rope are considered for replacement? - ✔✔2 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, mobile cranes are rated at what percentage of tipping? -

✔✔75%

✔✔How does the effective weight of a slowed extension relate to the actual weight of the extension? - ✔✔Higher than the actual weight.

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