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Download NCCCO QUESTIONS TEST 1 EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS A+ ALREADY GRADED and more Exams Advanced Education in PDF only on Docsity!
Where is the best location for leveling a crane? - correct answers Upperworks When determining the "grass load" the best method is: - correct answers Get an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? - correct answers Basket, vertical, choker What is the purpose of using a jib? - correct answers Increase height When taking a side strain on a boom, what concerns the operator most? - correct answers Boom damage You should always have at least how many wraps ona hoist drum? - correct answers 2 On a load chart, values above the bold line mean: - correct answers Capacities based on structural competence. The primary purpose for a rooster sheave or Auxiliary boom point is to: - correct answers Separate the hoist lines. What is the proper procedure when using an insulating link or a boot near power lines? - correct answers Be sure to maintain the correct allowable distance from the lines. When the number of layers of rope on a drum increases, the: - correct answers Allowable line pull decreases. What is the minimum allowable distance from the crane and power lines under 50kV? - correct answers 10 ft. The term "Upperworks or Superstructure" refer to the area of the crane: - correct answers Above the turntable Side loading may be caused by: - correct answers Starting or stopping the swing too rapidly. What is the best procedure to follow when underground utilities may be present? - correct answers Contact local utility company Eccentric main boom tip reeving causes: - correct answers Twisting of the boom How many randomly broken wires must there be to remove a running wire rope from service? - correct answers 6 When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor is? - correct answers 7 What is the safety factor required when using non rotating wire rope and lifting personnel in a man- basket? - correct answers 10 Who has the responsibility for determining the correct weight of a load? - correct answers Supervisor When working near power lines, when is a signal person required? - correct answers When crane moves within a boom's length of power lines. When an operator leaves the crane, he must first: - correct answers Put the load on the ground and put all dogs or pawls in. If replacing the hoist line wire rope on a crane, how do you determine the size of type of wire rope to use? - correct answers Use Manufacturer's operators manual or load chart. Tipping capacities of crawler cranes are based on what percentage of tipping? - correct answers 75% Should the load be applied when determining the proper boom angle? - correct answers Yes When should the operator use the "run by the seat of the pants" technique? - correct answers Never Load radius is the distance from the center of gravity of the suspended load to the: - correct answers Center of rotation Why is the primary reason fro using a boom extension? - correct answers Increase height What is the minimum design factor required for a right regular lay main, boom, or auxiliary hoist? - correct answers 3.5 When telescoping the boom section of an R/T, which section should be telescoped first? - correct answers All sections should be telescoped equally How does the operator determine if correct load chart is being used? - correct answers Matching serial number Net capacity is equal to: - correct answers Gross capacity minus capacity deductions If the SWL of a crane's wire rope is 10,000 Ibs. using one part, what is the SWL when using 4 parts? - correct answers 40,000 Ibs When first arriving on the job site, the operator should first determine the condition of the: - correct answers Access roads How does the operator verify the LMI's boom length or load radius reading? - correct answers Actual measurements If the rated capacity of the crane is above the solid line or within the shaded areas or has an asterisk next to it, this means the capacity is based on: - correct answers Structural competence All hazards and potential problems should be discovered during the: - correct answers 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? - correct answers 3 In a range diagram, boom length and angle can be used to determine: - correct answers Load radius 
