cco written core study guide QUESTIONS WITH ANSWERS.

cco written core study guide QUESTIONS
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WITH ANSWERS |\




what is the purpose of Mats or cribbing under outrigger
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floats - CORRECT ANSWERS ✔✔distribute the force over a
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larger area |\




where is the best location to level a crane - CORRECT
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ANSWERS ✔✔upper works |\ |\




Before leveling a mobile Crane on out riggers and
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operator should ensure - CORRECT ANSWERS ✔✔There is
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no weight of the Crane bearing on any tires
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Parading a mobile Crane with a long boom on uneven
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ground what support conditions should be considered -
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CORRECT ANSWERS ✔✔Keeping a 90 ﾟ angle between |\ |\ |\ |\ |\ |\ |\



cylinder rod and pad |\ |\ |\




One may blocking or cribbing be placed under outrigger
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beams on mobile cranes - CORRECT ANSWERS ✔✔Never
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approved

,Mobile cranes should be level to within what percent of
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grade - CORRECT ANSWERS ✔✔One percent
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Timber Crane mats work best when they are - CORRECT
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ANSWERS ✔✔Bolted together |\ |\




When arriving in the Crane at the job site the operator
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should 1st determine the condition of - CORRECT
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ANSWERS ✔✔Access roads |\ |\




White surface listed below would not be a good location
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for assembly or set up of a mobile Crane - CORRECT
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ANSWERS ✔✔Above underground vaults |\ |\ |\




Each outrigger pad and it's blocking should be sufficient
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to support - CORRECT ANSWERS ✔✔The total weight of
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the Crane and its load
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How does high wind effect a mobile Crane with a long
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Boom - CORRECT ANSWERS ✔✔Introduces side load on to
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the boom
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What is the only time the out rigger beam should be less
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than fully extended - CORRECT ANSWERS ✔✔The load
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chart indicates that this is allowed
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, What is the primary purpose for rooster sheave or
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auxiliary boom point sheave - CORRECT ANSWERS ✔✔To
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separate the load hoist lines |\ |\ |\ |\




Eccentric main boom tip reaving causes which of the |\ |\ |\ |\ |\ |\ |\ |\ |\



following - CORRECT ANSWERS ✔✔Twisting of the main |\ |\ |\ |\ |\ |\ |\ |\



boom


Which type of wire rope listed below is installed on most
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mobile cranes - CORRECT ANSWERS ✔✔right regular leg
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The Hoist drum flange shall extend a minimum of what
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distance over the top layer of wire rope at all times while
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Crane is in operation - CORRECT ANSWERS ✔✔1/2 inch
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Which of the following is classified has standing wire rope
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- CORRECT ANSWERS ✔✔Pendant lines
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When lifting on outriggers to floats or pads should Always
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be - CORRECT ANSWERS ✔✔Secured to the out rigger
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cylinders