NCCCO Test 1 Questions with Correct Answers

NCCCO Test 1 Questions with Correct Answers Where is the best location for leveling a crane? - Answer-Upperworks When determining the "gross load" the best method is: - Answer-Get an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? - Answer-Basket, vertical, choker What is the purpose of using a jib? - Answer-Increase height When taking a side strain on a boom, what concerns the operator most? - Answer- Boom damage You should always have at least how many wraps on a hoist drum? - Answer-2 On a load chart, values above the bold line mean: - Answer-Capacities based on structural competence. The primary purpose for a rooster sheave or Auxiliary boom point is to: - Answer- Separate the hoist lines. What is the proper procedure when using an insulating link or a boot near power lines? - Answer-Be sure to maintain the correct allowable distance from the lines. When the number of layers of rope on a drum increases, the: - Answer-Allowable line pull decreases. What is the minimum allowable distance from the crane and power lines under 50kV? - Answer-10 ft. The term "Upperworks or Superstructure" refer to the area of the crane: - Answer-Above the turntable Side loading may be caused by: - Answer-Starting or stopping the swing too rapidly. What is the best procedure to follow when underground utilities may be present? - Answer-Contact local utility company Eccentric main boom tip reeving causes: - Answer-Twisting of the boom How many randomly broken wires must there be to remove a running wire rope from service? - Answer-6 When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor is? - Answer-7 What is the safety factor required when using non rotating wire rope and lifting personnel in a man-basket? - Answer-10 Who has the responsibility for determining the correct weight of a load? - Answer- Supervisor When working near power lines, when is a signal person required? - Answer-When crane moves within a boom's length of power lines.