NCCCO/ CCO Crane Tests BUNDLED TOGETHER (New Update) Questions and Verified Answers| All Graded A | 100% Correct
QUESTION
Why use mats or cribbing?
Answer:
To reduce ground pressure
QUESTION
Tipping capacities of crawler cranes are based on what percentage of tipping?
Answer:
75%
QUESTION
Should the load be applied when determining the proper boom angle?
Answer:
Yes
QUESTION
When should the operator use the "run by the seat of the pants" technique?
Answer:
Never
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QUESTION
Load radius is the distance from the center of gravity of the suspended load to the:
Answer:
Center of rotation
QUESTION
What is the primary reason for using a boom extension?
Answer:
Increase height
QUESTION
What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope?
Answer:
3.5
QUESTION
When telescoping the boom section of an R/T, which section should be telescoped first?
Answer:
All sections should be telescoped equally
QUESTION
How does the operator determine if correct load chart is being used?
Answer:
Matching serial number
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QUESTION
Net capacity is equal to:
Answer:
Gross capacity minus capacity deductions
QUESTION
If the SWL Of a crane's wire rope is 10,000 pounds using one part, what is the SWL when using four
Answer:
40,000 pounds
QUESTION
When first arriving on the job site, the operator should first determine the condition of the:
Answer:
Access roads
QUESTION
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:
Answer:
Structural competence
QUESTION
All hazards and potential problems should be discovered during the:
Answer: 3 / 4
Pre-left site inspection
QUESTION
How many broken wires must be present in one strand of one lay for running wire rope to be removed from service?
Answer:
3
QUESTION
In a range diagram, boom length and angle can be used to determine:
Answer:
Load radius
QUESTION
When picking a load out of water, the load will?
Answer:
Increase
QUESTION
What affect will lifting a heavy load have on a crane?
Answer:
Increase deflection
QUESTION
What is the first command when using voice signals?
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