CCO QUESTIONS TEST #1 100% VERIFIED ANSWERS 2024/2025 CORRECT STUDY SET, Exams of Organization and Business Administration

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CCO QUESTIONS TEST

100% VERIFIED ANSWERS

2024/2025 CORRECT STUDY

SET

What is the best location for leveling a crane? Upper Works When determining the "gross load" the best method is? Get an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? Basket, Vertical, chocker What is the purpose of using the jib? Increase Height When taking a side strain on the boom, what concerns the operator most? Boom damage OSHA requires you to always have at least how many wraps on the hoist drum? 2 On a load chart, values above the bold line mean: Capacities based on structural competence The primary Purpose of a rooster sheave or auxiliary boom point sheave is to: Increase the load radius.

What is the proper procedure when using an insulating link or a boot near power lines? Be sure to maintain the correct allowable distance from the lines. When the number of layers of rope on a drum increases the Allowable line pull decreases What is the minimum allowable distance from the crane and the power lines 50kV in table A? 10 ft The term "upper works of superstructure" refer to the area of the crane: Above the turntable Side loading maybe caused by: Starting or stopping the swing to rapidly. What is the best procedure to follow when underground utilities may be present? Contact local utility company Eccentric main boom tip reeving causes: Twisting of the boom How many randomly broken wires must there be to remove a running wire rope from service? 6 When personnel platforms are hoisted with a telescopic crane: A two block damage prevention system is provided. What is the safety factor required when using non rotating wire rope and lifting personnel in a man basket? 10 Who has the responsibility for determining the correct weight of the load?

Supervisor When working near power lines when is a spotter required? When crane moves within booms length of power lines. When an operator leaves the crane, he must first: Put the load on the ground and put all dogs or pawls in. Backward stability on an R/T crane could be a problem when the crane is working Over the rear at a maximum radius After the crane has been checked out and before crane lift operations begin the crew should: Have a pre-lift meeting According to ANSI B30.23 personnel platform lifts should not be made with wind in excess of: 20 mph What is the OSHA standard that covers Cranes and Derricks in the construction industry? Subpart CC During setup how do you determine machine clearances (counterweight, boom, outrigger)? Measure for correct distances What item can be removed from a carry deck crane? Boom extension When operating a truck crane what is the most unstable allowable quadrant of operation? Front What is not a good location for a crane setup? Un-compacted fill Personal platforms must not exceed what percent of a crane's capacity at any given radius?

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When can you use blocking under an outrigger beam? Never What is the difference between an Anti-two-block warning device and an Anti-two-block prevention system? Warning device only warns, but prevention system will stop the operation All telescopic boom cranes must be equipped with: Book angle indicators Why use mats or cribbing? To reduce ground pressure A telescopic crane is equipped with an anti-two-block lock-out device. When the device is activated which functions should be disabled? Hoist up, extend out, and lower the boom Should the load be applied when determining the proper boom angle? Yes Al operator performing a pick and carry operation with a R/T crane should keep the load: Positioned of the front of the carrier Load radius is the distance from the center of gravity of the suspended load to the: Center of rotation What is the primary reason for using a boom extension? Increase height What is the minimum design factor required for a right regular lay main. boom or auxiliary hoist rope?

When telescoping the boom section of an R/T, which section should be telescopes first? All sections should be telescopes equally How does the operator determine if correct load chart is being used? Matching serial Number When a cranes hydraulic boom sections are required to be extended equally and they are not, the Longest section can be damaged If the Safe Working Load (SWL) of a cranes wire rope is 10,000 lbs using one part, what is the SWL when using 4 parts? 40,000 lbs When first arriving on the jobsite, the operator should first determine the condition of the : Access Road How does the operator verify the LMI's boom length or load radius reading? Actual measurement A telescopic crane is going to lift a personnel platform, what is required? Boom length indicator All hazards and potential problems should be discovered during the: Pre-lift site inspection How many broken wires must be present in one strand of one lay for running wire rope to be removed from service? 3 In a range diagram, boom length and angle can be used to determine: Load radius

How can you tell if rotation resistant rope is damaged internally? Bird cage