NCCCO Core Test Prep (New Update) Questions and Answers
QUESTION
With the boom at its highest angle and its shortest radius, how many wraps of wire rope need to be on the drum at all times?
Answer:
2
QUESTION
When measuring load radius of the crane. You measure from the axis of rotation of the crane to the ?
Answer:
Center of gravity of the load
QUESTION
What must be deducted from the gross capacity of the crane when the jib is erected, but not in use?
Answer:
Effective weight
QUESTION
Where can tip height be found?
Answer:
Range diagram
QUESTION 1 / 4
The Net Capacity of the crane is?
Answer:
Gross capacity minus all applicable deduc- tions
QUESTION
When booming down with a jib/extension erected the effective weight of the jib ?
Answer:
Increases
QUESTION
When using a crane in a duty cycle operation manufacturers usually de-rate the cranes capacity by?
Answer:
20%
QUESTION
How would the operator of the crane know if the radius on the LMI is correct?
Answer:
By measuring
QUESTION
According to OSHA, each series of voice signals contain how many ele- ments?
Answer:
3
QUESTION
What is the first element of voice signals given to a crane operator prior to the lift?
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Answer:
Function and direction
QUESTION
When working within the boom's length of energized power lines what is required?
Answer:
A dedicated spotter to maintain safe clearances
QUESTION
What is the first thing the operator should do if the crane comes in contact with an energized power line?
Answer:
Remain in the cab until power line is de-energized
QUESTION
The weight deduction for a stowed jib is ?
Answer:
The effective weight
QUESTION
If the boom angle of the crane falls between values on the load chart you should use?
Answer:
The lower angle
QUESTION
What is the most common type of wire rope used on a crane?
Answer: 3 / 4
Right regular lay
QUESTION
According to Table A of OSHA 1926.1408 the minimum clearance distance for a power line over 200 KV is?
Answer:
20 ft.
QUESTION
When lifting from a jib/extension and the main boom is not fully extended. What information must you use to get the gross capacity from the load chart?
Answer:
Main boom angle
QUESTION
According to Table A of OSHA 1926.1408 the minimum clearance distance for a power line up to 50 KV is?
Answer:
10 ft.
QUESTION
According to Table A of OSHA 1926.1408 the minimum clearance distance for a power line at 100 KV is?
Answer:
15 ft.
QUESTION
According to Table A of OSHA 1926.1408 the minimum clearance distance for a power line over 350 KV is?
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