NCCCO Questions Test 1 Questions and Answers 100% Verified
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Course
NCCCO Crane
Institution
NCCCO Crane
NCCCO Questions Test 1 Questions and Answers 100% VerifiedNCCCO Questions Test 1 Questions and Answers 100% VerifiedNCCCO Questions Test 1 Questions and Answers 100% VerifiedNCCCO Questions Test 1 Questions and Answers 100% VerifiedWhere is the best location for leveling a crane? - ANSWER - Upperwo...
NCCCO Questions Test 1
Questions and Answers 100%
Verified
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 an operator leaves the crane, he must first: - ANSWER - 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? - ANSWER - Use Manufacturer's operators manual or load
chart.
After the crane has been checked out and before crane lift operations begin, the
crew should: - ANSWER - Have a pre-lift meeting
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
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