Nccco Core Exam Outline With Solutions #18.
Timber or steel - correct answer These materials should be used when setting up on
soft surfaces such as soft ground, asphalt or backfilled material
Over the corner - correct answer On crawler cranes, which boom position creates the
greatest ground pressure
Blocking - correct answer Allows the weight of the crane and load to be distributed over
a greater surface area. Should be used under outrigger floats at all times.
3 - correct answer Blocking should be at least how many times the surface area of the
float
Energized - correct answer Overhead power lines must be considered to be in this
condition until electrical authorities indicate otherwise
Prohibited zone - correct answer No part of the crane or load must ever enter this area
around an energized power line
Kv - correct answer The prohibited zone must be enlarged as this increases
20 foot - correct answer What minimum distance does OSHA require be maintained
when voltage up to 350 kv is unknown
50 foot - correct answer What minimum distance is required if the voltage is over 350 kv
and unknown
Qualified signal person - correct answer This person must be appointed any time the
crane is working within a boom's length of the prohibited zone
Tag lines - correct answer The use of these should be avoided when lifting near power
lines, however if necessary should be non-conductive type
Above power lines - correct answer Avoid operating cranes or handling materials in this
area of power lines
Remain in the cab - correct answer What does an operator do if the crane comes in
contact with a power line
Jump - correct answer If it is necessary to leave the crane cab before power lines are
de-energized after contact, how does the operator exit the cab
Transmission towers - correct answer A crane can also become electrically charged
when working close to these (radio, microwave, cell)
, Manufacturer - correct answer Before traveling on site with a load, be sure that this is
allowed by the
Backward collapse - correct answer Ensure the boom low enough when traveling with a
load to avoid the possibility of this
Toward the load - correct answer Always travel in this direction when traveling with a
load
Boom extension, jib, or pinned section - correct answer Most manufacturers do not
permit travel with a load when the boom is in these settings
Raised - correct answer To prevent a lattice boom crane from tipping forward, the boom
should be in this position before traveling down an incline
Lowered - correct answer To prevent a lattice boom crane from tipping backwards, the
boom should be in this position when traveling up an incline
Controlling entity - correct answer Responsible for seeing that the ground conditions are
adequate to support the equipment.
Controlling entity - correct answer Responsible for informing the user and the operator
of the equipment of the location of hazards beneath the equipment set-up area (such as
voids, tanks, utilities)
Controlling entity - correct answer Responsible for establishing a system to coordinate
the operations of two cranes that operate within each other's working radius
Key items of inspection - correct answer hoist rope & reeving, op aids & safety devices,
cab windows/equipment, hooks & latches, fluid levels (crankcase oil, coolant, hydraulic
oil, etc.), elec equipment, leveling device, control & drive mechanisms, fire extinguisher,
air/hydraulic system
Access to job site - correct answer firm & reasonably level surface, no buried pipes,
utilities, sewers, tanks, etc.
Leveling the crane - correct answer Important to accomplish when setting up a crane on
a grade
1% - correct answer Load chart capacities are based on the crane being level within this
percentage
Carpenter's level - correct answer Use this tool placed under or close to the boom foot
for an accurate measure of level
Timber or steel - correct answer These materials should be used when setting up on
soft surfaces such as soft ground, asphalt or backfilled material
Over the corner - correct answer On crawler cranes, which boom position creates the
greatest ground pressure
Blocking - correct answer Allows the weight of the crane and load to be distributed over
a greater surface area. Should be used under outrigger floats at all times.
3 - correct answer Blocking should be at least how many times the surface area of the
float
Energized - correct answer Overhead power lines must be considered to be in this
condition until electrical authorities indicate otherwise
Prohibited zone - correct answer No part of the crane or load must ever enter this area
around an energized power line
Kv - correct answer The prohibited zone must be enlarged as this increases
20 foot - correct answer What minimum distance does OSHA require be maintained
when voltage up to 350 kv is unknown
50 foot - correct answer What minimum distance is required if the voltage is over 350 kv
and unknown
Qualified signal person - correct answer This person must be appointed any time the
crane is working within a boom's length of the prohibited zone
Tag lines - correct answer The use of these should be avoided when lifting near power
lines, however if necessary should be non-conductive type
Above power lines - correct answer Avoid operating cranes or handling materials in this
area of power lines
Remain in the cab - correct answer What does an operator do if the crane comes in
contact with a power line
Jump - correct answer If it is necessary to leave the crane cab before power lines are
de-energized after contact, how does the operator exit the cab
Transmission towers - correct answer A crane can also become electrically charged
when working close to these (radio, microwave, cell)
, Manufacturer - correct answer Before traveling on site with a load, be sure that this is
allowed by the
Backward collapse - correct answer Ensure the boom low enough when traveling with a
load to avoid the possibility of this
Toward the load - correct answer Always travel in this direction when traveling with a
load
Boom extension, jib, or pinned section - correct answer Most manufacturers do not
permit travel with a load when the boom is in these settings
Raised - correct answer To prevent a lattice boom crane from tipping forward, the boom
should be in this position before traveling down an incline
Lowered - correct answer To prevent a lattice boom crane from tipping backwards, the
boom should be in this position when traveling up an incline
Controlling entity - correct answer Responsible for seeing that the ground conditions are
adequate to support the equipment.
Controlling entity - correct answer Responsible for informing the user and the operator
of the equipment of the location of hazards beneath the equipment set-up area (such as
voids, tanks, utilities)
Controlling entity - correct answer Responsible for establishing a system to coordinate
the operations of two cranes that operate within each other's working radius
Key items of inspection - correct answer hoist rope & reeving, op aids & safety devices,
cab windows/equipment, hooks & latches, fluid levels (crankcase oil, coolant, hydraulic
oil, etc.), elec equipment, leveling device, control & drive mechanisms, fire extinguisher,
air/hydraulic system
Access to job site - correct answer firm & reasonably level surface, no buried pipes,
utilities, sewers, tanks, etc.
Leveling the crane - correct answer Important to accomplish when setting up a crane on
a grade
1% - correct answer Load chart capacities are based on the crane being level within this
percentage
Carpenter's level - correct answer Use this tool placed under or close to the boom foot
for an accurate measure of level
