NCCCO CORE TEST 2026/2027
ACTUAL QUESTIONS WITH VERIFIED
ANSWERS.
What is the maximum number of broken wires allowed at
an end connection before a standing wire rope must be
replaced?
1 broken wire
What must the support surface for a crane provide?
Stability sufficient to support the crane and the load
Who should have access to the durable rating chart
provided with each crane?
The operator at the controls
What is the proper way to calibrate a boom angle
indicator?
Positioning the boom horizontally and setting the indicator at 0
degrees
What does a load moment indicator (LMI) provide to the
crane operator?
Data about boom length, angle, and load weight
How are construction site hazards identified?
During a pre-operational work site inspection
Mobile crane load chart capacities are based on what
factors?
Structural limits or stability
,What is the primary purpose of a work area diagram
(chart)?
To identify operational quadrants
What is a potential hazard when operating a truck mounted
crane on rubber?
Over the side at a minimum radius
Which factor influences the overall safety during crane
operation?
All of the above
When is the only time a suspended personnel platform is
permitted to be used?
When other methods would be more hazardous
What increases at the suspended end during a multiple
crane lift?
The load increases
If a crane is operating on tires, what percentage of the
rated tipping capacity is used?
75%
According to ASME 830.5, what option provides guidance
for an operator when a radius indicator becomes
inoperative?
Must measure radius
What is the minimum allowable distance a crane may
operate near energized power lines up to 50kV?
10 ft
What is one best practice when working near power lines?
, Maintain a safe distance from power lines
Which condition can lead to reduced load capacity during
crane operation?
Side loading forces
What tool is essential for identifying the angle of the boom
during operation?
Boom angle indicator
Which of the following is NOT included in the gross load
calculation?
Rated capacity
According to ASME B 30.5, what does two audible signals
indicate?
Go forward
The lifting capacities listed in the load chart are based on
what assumption?
Under ideal conditions
What is a key requirement for personnel safety during
crane operations over water?
Coast Guard approved equipment
Which type of crane produces the least amount of ground
pressure over the ground?
Crawler cranes
How does an operator verify that the aid readings for boom
length, load radius, or boom angle are accurate?
Through actual measurements
ACTUAL QUESTIONS WITH VERIFIED
ANSWERS.
What is the maximum number of broken wires allowed at
an end connection before a standing wire rope must be
replaced?
1 broken wire
What must the support surface for a crane provide?
Stability sufficient to support the crane and the load
Who should have access to the durable rating chart
provided with each crane?
The operator at the controls
What is the proper way to calibrate a boom angle
indicator?
Positioning the boom horizontally and setting the indicator at 0
degrees
What does a load moment indicator (LMI) provide to the
crane operator?
Data about boom length, angle, and load weight
How are construction site hazards identified?
During a pre-operational work site inspection
Mobile crane load chart capacities are based on what
factors?
Structural limits or stability
,What is the primary purpose of a work area diagram
(chart)?
To identify operational quadrants
What is a potential hazard when operating a truck mounted
crane on rubber?
Over the side at a minimum radius
Which factor influences the overall safety during crane
operation?
All of the above
When is the only time a suspended personnel platform is
permitted to be used?
When other methods would be more hazardous
What increases at the suspended end during a multiple
crane lift?
The load increases
If a crane is operating on tires, what percentage of the
rated tipping capacity is used?
75%
According to ASME 830.5, what option provides guidance
for an operator when a radius indicator becomes
inoperative?
Must measure radius
What is the minimum allowable distance a crane may
operate near energized power lines up to 50kV?
10 ft
What is one best practice when working near power lines?
, Maintain a safe distance from power lines
Which condition can lead to reduced load capacity during
crane operation?
Side loading forces
What tool is essential for identifying the angle of the boom
during operation?
Boom angle indicator
Which of the following is NOT included in the gross load
calculation?
Rated capacity
According to ASME B 30.5, what does two audible signals
indicate?
Go forward
The lifting capacities listed in the load chart are based on
what assumption?
Under ideal conditions
What is a key requirement for personnel safety during
crane operations over water?
Coast Guard approved equipment
Which type of crane produces the least amount of ground
pressure over the ground?
Crawler cranes
How does an operator verify that the aid readings for boom
length, load radius, or boom angle are accurate?
Through actual measurements
