NCCCO CORE EXAM | STUDY
QUESTIONS AND CORRECT
ANSWERS | LATEST 2024/2025
When lifting on outriggers the floats or pads should always be:
- Correct Answer - Raised to touch the tires firmly on the ground.
What is the minimum design factor required for a regular lay, boom or
hoist wire rope?
- Correct Answer - 3.5
It is important to know when lubricating crane hoist wire rope, that the
lubricant must:
- Correct Answer - not hinder visual inspection
How often is the competent person required to inspect the running wire
ropes on a mobile crane?
- Correct Answer - Each shift
On mobile cranes, how many broken wires must be present in one
strand of one lay for running wire rope to be removed from service?
,- Correct Answer - 3
According to OSHA, what is the minimum number of full wraps of wire
rope that must remain on hoist drums in all service conditions?
- Correct Answer - 2
On whose recommendations should a mobile crane preventative
maintenance program be developed?
- Correct Answer - Crane manufacturer
On a mobile crane, the measurement for the load radius in this distance
from the center of gravity of the suspended load to the:
- Correct Answer - Center of rotation of the crane
On a mobile crane, should the load be applied when determining the
proper boom angle?
- Correct Answer - Yes
On a mobile cranes range digram, boom length and boom angle can be
used to determine?
- Correct Answer - Load radius
, On a mobile crane, what is the weight of the slowed jib that is deducted
in load chart calculations called?
- Correct Answer - Effective weight
When determining boom tip elevation for a mobile crane, the user could:
use the range diagram
- Correct Answer - use the range diagram
When lifting off the main boom, how is the effective weight of the flyjib
different in the erected position from that of the stowed position?
- Correct Answer - Effective weight increases
Why do most crane manufacturers reduce load capacity for duty-cycle
operations?
- Correct Answer - Side loading forces may occur
What is the difference between anti-two-block warning device and an
anti-two-block prevention device?
- Correct Answer - Warning device only warns, but prevention devices
will stop the functions
How can the LMI's boom length or load radius reading be verified?
- Correct Answer - Actual measurements
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