CCO Questions WITH ANSWERS

CCO Questions WITH ANSWERS |\ |\ |\




Where is the best location for leveling a crane? -
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CORRECT ANSWERS ✔✔upper works |\ |\ |\




When determining the "gross load" the best method is: -
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CORRECT ANSWERS ✔✔get an accurate load weight and|\ |\ |\ |\ |\ |\ |\ |\



add the rigging
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By order of hitch strength, which is the correct answer? -
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CORRECT ANSWERS ✔✔basket, vertical, choker |\ |\ |\ |\




What is the purpose of using a jib? - CORRECT ANSWERS
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✔✔increase height |\




When taking a side strain on a boom, what concerns the
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operator most? - CORRECT ANSWERS ✔✔boom damage
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OSHA requires you to always have at least how many
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wraps on a hoist drum? - CORRECT ANSWERS ✔✔2
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On a load chart, values above the bold line mean: -
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CORRECT ANSWERS ✔✔capacities based on structural |\ |\ |\ |\ |\ |\



competence

,The primary purpose for a rooster sheave or auxiliary
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boom point sheave is to: - CORRECT ANSWERS
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✔✔Separate the hoist lines |\ |\ |\




What is the proper procedure when using an insulating
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link or a boot near power lines? - CORRECT ANSWERS
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✔✔be sure to maintain the correct allowable distance
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from the lines
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When the number of layers of rope on a drum increases
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the: - CORRECT ANSWERS ✔✔allowable lines pul
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decreases


What is the minimum allowable distance from the crane
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and power lines 50kV in table A? - CORRECT ANSWERS
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✔✔10 ft |\




The term "upper works or superstructure" refer to the
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area of the crane - CORRECT ANSWERS ✔✔above the
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turntable


Side loading may be caused by: - CORRECT ANSWERS
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✔✔starting or stopping the swing too rapidly |\ |\ |\ |\ |\ |\

,What is the best procedure to follow when underground
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utilities may be present? - CORRECT ANSWERS ✔✔contact
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local utility company
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Eccentric main boom tip reeving causes: - CORRECT |\ |\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔twisting of the boom |\ |\ |\ |\




When personnel platforms are hoisted with a telescopic
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crane: - CORRECT ANSWERS ✔✔a two block damage
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prevention system is provided |\ |\ |\




What is the safety factor required when using non
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rotating wire rope and lifting personnel in a man basket? -
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CORRECT ANSWERS ✔✔10
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Who has the responsibility for determining the correct
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weight of a load? - CORRECT ANSWERS ✔✔supervisior
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When working near power lines when is a spotter
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required? - CORRECT ANSWERS ✔✔when crane moves |\ |\ |\ |\ |\ |\ |\



within a booms length of power lines
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When an operator leaves the crane, he must first: -
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CORRECT ANSWERS ✔✔put the load on the ground and |\ |\ |\ |\ |\ |\ |\ |\ |\



put all dogs or pawls in
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, Backward stability on a R/T crane could be a problem
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when the crane is working - CORRECT ANSWERS ✔✔over
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the side at a minimum radius
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After the crane has been checked out and before crane lift
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operations begin the crew should: - CORRECT ANSWERS
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✔✔have a pre-lift meeting |\ |\ |\




According to ANSI B30.23 personnel platform lifts should
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not be made with wind in excess of: - CORRECT ANSWERS
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✔✔20 mph
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What is the OSHA standard that covers cranes and
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derricks in the construction industry? - CORRECT
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ANSWERS ✔✔Subpart CC |\ |\




During setup how do you determine machine clearances
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(counterweight, boom, outrigger)? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\



✔✔measure for correct distances |\ |\ |\




What item can be removed from a carry deck crane? -
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CORRECT ANSWERS ✔✔Boom extension |\ |\ |\