cco written core study guide exam questions & answers 2024/2025
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Course
Cco written core
Institution
Cco Written Core
cco written core study guide exam questions & answers 2024/2025
what is the purpose of Mats or cribbing under outrigger floats - ANSWERSdistribute the force over a larger area
where is the best location to level a crane - ANSWERSupper works
Before leveling a mobile Crane on out riggers a...
cco written core study guide exam
questions & answers 2024/2025
what is the purpose of Mats or cribbing under outrigger floats - ANSWERSdistribute the force over a
larger area
where is the best location to level a crane - ANSWERSupper works
Before leveling a mobile Crane on out riggers and operator should ensure - ANSWERSThere 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 - ANSWERSKeeping a 90 ﾟ angle between cylinder rod and pad
One may blocking or cribbing be placed under outrigger beams on mobile cranes - ANSWERSNever
approved
Mobile cranes should be level to within what percent of grade - ANSWERSOne percent
Timber Crane mats work best when they are - ANSWERSBolted together
When arriving in the Crane at the job site the operator should 1st determine the condition of -
ANSWERSAccess roads
White surface listed below would not be a good location for assembly or set up of a mobile Crane -
ANSWERSAbove underground vaults
Each outrigger pad and it's blocking should be sufficient to support - ANSWERSThe total weight of the
Crane and its load
, How does high wind effect a mobile Crane with a long Boom - ANSWERSIntroduces side load on to the
boom
What is the only time the out rigger beam should be less than fully extended - ANSWERSThe load chart
indicates that this is allowed
What is the primary purpose for rooster sheave or auxiliary boom point sheave - ANSWERSTo separate
the load hoist lines
Eccentric main boom tip reaving causes which of the following - ANSWERSTwisting of the main boom
Which type of wire rope listed below is installed on most mobile cranes - ANSWERSright 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 - ANSWERS1/2 inch
Which of the following is classified has standing wire rope - ANSWERSPendant lines
When lifting on outriggers to floats or pads should Always be - ANSWERSSecured to the out rigger
cylinders
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 - ANSWERSSix
What is the minimum design factor required for a write regular lay boom or hoist wire - ANSWERS3.5
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 - ANSWERS1
Type one rotation resistant coyest wire rope has a design factor of - ANSWERS5 to 1
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