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NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A
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NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A
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NCCCO Core Exam Prep (2023/ 2024 Update) Questionsand 100% Correct Verified Answers| Grade A
What is the purpose of installing an auxiliary boom point sheave to the main boom
tip? - ANSWER Separate hoist lines
A designated Lift Director shall be assigned by the ______? - ANSWER Site
Supervisor
Who is responsible for calculating net capacity? - ANSWER Crane Operator
Who is responsible for ensuring all rigging is supervised by a Qualified Rigger? -
ANSWER Site Supervisor/ Lift Director
Who is responsible for ensuring the crane owner is notified of any damage to the
crane or replacement/repair of wire rope? - ANSWER Crane User
Who is responsible for restricting unauthorized access to the crane's work area? -
ANSWER Site Supervisor/Lift Director
Who is responsible for ensuring the crane owner is notified of any damage to the
crane or replacement/repair of wire rope? - ANSWER Crane User
Who is responsible for ensuring crane operations are stopped if alerted to an unsafe
condition? - ANSWER Lift Director
If the operator or A/D determine that ground conditions are not suitable for the
equipment being operated, they should request the _________ correct the issue -
ANSWER Controlling Entity
Who is responsible for ensuring that personnel involved in crane operations
understand their responsibilities, assigned duties and associated hazards? -
ANSWER Lift Director
When can the operator of a crane set the crane up with less than fully extended
outriggers? - ANSWER When the load chart allows
The outrigger pad and cribbing should be strong enough to support? - ANSWER
The total weight of the crane and the load
What must be known prior to setting up your crane? - ANSWER Location of
underground vaults
What is the minimum distance the flange on the hoist drum should extend above the
last wrap of rope? - ANSWER ½ inch
, Eccentric main boom tip reeving will - ANSWER Twisting of the boom
What is the most common wire rope used on most cranes? - ANSWER Right
regular lay
Prior to leveling a crane what should be done with the outrigger jack? - ANSWER
Secure the float pad to jack cylinder
What three functions will not work after two-blocking a crane that has a prevention
system? - ANSWER Boom down, extend the boom and hoist
Boom angle on a telescoping boom is measured from above or below horizontal to
the _________? - ANSWER Longitudinal axis of the boom base section
The line pull of the innermost layer on the hoist drum is __________than the
outermost layer. - ANSWER Greater
Side loading of a crane can be caused by? - ANSWER Wind
If power fails to the crane what must the operator ensure is done? - ANSWER The
controls are put in the neutral position
On a multiple crane lift, do not exceed _______ of the load chart. - ANSWER 75%
If a crane operator knows the boom length and the boom angle he could use the
range diagram to estimate what? - ANSWER Load radius
Which of the following jib offsets will have the least amount of capacity? - ANSWER
30 degrees
When is it okay to make modifications to the structure of the crane's upper works? -
ANSWER With written permission from the manufacturer
A sudden stop of the hoist on a crane will produce a what? - ANSWER Dynamic
load
When hoisting personnel from a crane, what must be on the crane? - ANSWER
Anti-two block device
What grade of alloy steel chain should be used for hoisting slings? - ANSWER 80
Each time a line passes from the boom point to the load block it is considered a
_________? - ANSWER Part of line
Which statement about sling angles is correct? - ANSWER As sling angle
decreases, sling stress increases
When installing a wedge socket end termination on the crane the live section of the
rope should be in line with the? - ANSWER Pin
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