CRANE CORE NCCCO EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
Boom damage
When taking a side strain on a boom what concerns the operator most?
2
You should always have at least how many wraps on a hoist drum?
Be sure to maintain the correct allowable distance from the lines
What is the proper procedure when using an insulating link or a boot near power lines?
Twisting of the boom
Eccentric main boom tip reaving causes what
7
When lifting personnel in a man basket using 6X19 wire rope the minimum safety factor is what?
10
What is the safety factor required when using nonrotating wire rope and lifting personnel in a man
basket?
supervisor
who has the responsibility of determining the correct weight of a load?
, over the side
When operating a crawler crane what is the most unstable allowable quadrant of operation?
yes
Should the load be applied when determining the proper boom angle?
3.5
What is the minimum design factor required for a right regular lay main, boom, or auxiliary hoist rope?
Where the ultimate strength is exceeded
What does the term load refusal mean?
Undetermined point
when hoisting from a fixed extension on a hydraulic crane where would structural damage most likely
occur?
Crane manufacturer
On whose recommendations should a preventative maintenance program be set up?
Boom length indicator
What is required to be on a hydraulic crane in order for it to lift a man basket?
Lower the spreader angle the greater the tension
When using cable or nylon spreaders it is important to remember what?
basic boom at maximum angle with no load
Backward stability of a crane is tested with?
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
Boom damage
When taking a side strain on a boom what concerns the operator most?
2
You should always have at least how many wraps on a hoist drum?
Be sure to maintain the correct allowable distance from the lines
What is the proper procedure when using an insulating link or a boot near power lines?
Twisting of the boom
Eccentric main boom tip reaving causes what
7
When lifting personnel in a man basket using 6X19 wire rope the minimum safety factor is what?
10
What is the safety factor required when using nonrotating wire rope and lifting personnel in a man
basket?
supervisor
who has the responsibility of determining the correct weight of a load?
, over the side
When operating a crawler crane what is the most unstable allowable quadrant of operation?
yes
Should the load be applied when determining the proper boom angle?
3.5
What is the minimum design factor required for a right regular lay main, boom, or auxiliary hoist rope?
Where the ultimate strength is exceeded
What does the term load refusal mean?
Undetermined point
when hoisting from a fixed extension on a hydraulic crane where would structural damage most likely
occur?
Crane manufacturer
On whose recommendations should a preventative maintenance program be set up?
Boom length indicator
What is required to be on a hydraulic crane in order for it to lift a man basket?
Lower the spreader angle the greater the tension
When using cable or nylon spreaders it is important to remember what?
basic boom at maximum angle with no load
Backward stability of a crane is tested with?
