cco written core study guide Correct Questions & Answers(RATED A+)cco written core study guide Correct Questions & Answers(RATED A+)
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Course
Cco written core
Institution
Cco Written Core
what is the purpose of Mats or cribbing under outrigger floats - ANSWERdistribute the force over a larger area
where is the best location to level a crane - ANSWERupper works
Before leveling a mobile Crane on out riggers and operator should ensure - ANSWERThere is no weight of the Crane beari...
cco written core study guide Correct Questions &
Answers(RATED A+)
what is the purpose of Mats or cribbing under outrigger floats - ANSWERdistribute the force over a
larger area
where is the best location to level a crane - ANSWERupper works
Before leveling a mobile Crane on out riggers and operator should ensure - ANSWERThere is no
weight of the Crane bearing on any tires
Parading a mobile Crane with a long boom on uneven ground what support conditions should be
considered - ANSWERKeeping a 90 ﾟ angle between cylinder rod and pad
One may blocking or cribbing be placed under outrigger beams on mobile cranes - ANSWERNever
approved
Mobile cranes should be level to within what percent of grade - ANSWEROne percent
Timber Crane mats work best when they are - ANSWERBolted together
When arriving in the Crane at the job site the operator should 1st determine the condition of -
ANSWERAccess roads
White surface listed below would not be a good location for assembly or set up of a mobile Crane -
ANSWERAbove underground vaults
Each outrigger pad and it's blocking should be sufficient to support - ANSWERThe total weight of the
Crane and its load
How many randomly broken wires in a lay length must there be on a mobile Crane hoist line before it
should be removed from service - ANSWERSix
, What is the minimum design factor required for a write regular lay boom or hoist wire - ANSWER3.5
On a mobile Crane how many broken wires are permitted at the end connection of a pennant line
before it must be taken out of service - ANSWER1
How does high wind effect a mobile Crane with a long Boom - ANSWERIntroduces side load on to the
boom
What is the only time the out rigger beam should be less than fully extended - ANSWERThe load
chart indicates that this is allowed
What is the primary purpose for rooster sheave or auxiliary boom point sheave - ANSWERTo separate
the load hoist lines
Eccentric main boom tip reaving causes which of the following - ANSWERTwisting of the main boom
Which type of wire rope listed below is installed on most mobile cranes - ANSWERright regular leg
The Hoist drum flange shall extend a minimum of what distance over the top layer of wire rope at all
times while Crane is in operation - ANSWER1/2 inch
Which of the following is classified has standing wire rope - ANSWERPendant lines
When lifting on outriggers to floats or pads should Always be - ANSWERSecured to the out rigger
cylinders
Type one rotation resistant coyest wire rope has a design factor of - ANSWER5 to 1
It is important to know when lubricating Crane hoists wire rope that the lubricant must - ANSWERNot
hinder a visual inspection
How often is the competent person required to inspect the running wire rope on a mobile -
ANSWEREach shift
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