NCCCO Lattice Boom General
Knowledge latest update 2025/2026
Most crane manufactures require the load chart capacities must be reduced when
wind speed reaches; -answer->>20 mph
The definition of cantilever of a lattice boom crane is; -answer->>The boom
suspended past the pendant connections
What chart do you use when operating a crane on a barge; -answer->>List chart
According to OSHA, Jibs must have a positive ________ from backwards
overturning -answer->>Stop
Mobile cranes on barges shall be -answer->>Physically attached to the barge
When a crane is properly barricaded, what is the clearance required all the way
around 360 degrees between the superstructure and the barricade when swung 360
degrees? -answer->>2 feet
According to ASME B30.5 a fire extinguisher shall have a rating of __________ and
shall be available at all operator's stations or cabs of the equipment. -answer->>10
BC or higher
When assembling a lattice boom crane the top pins of the boom sections should be
inserted; -answer->>First
Block hoisting sheaves should have a minimum pitch diameter of at least________
the rope diameter. -answer->>16 times
What is the correct method of checking the brakes of crane that has been already
assembled? -answer->>Lift the load a few inches off the ground and apply the
brakes
A long boom crane working at minimum radius and 3 degrees out of level will have a
loss of capacity by; -answer->>50%
Can rotation resistant rope be used with a swivel? -answer->>If approved by the
rope's manufacture
When performing duty cycle operations, most manufactures require the crane's load
chart capacity to be reduced by; -answer->>20%
Knowledge latest update 2025/2026
Most crane manufactures require the load chart capacities must be reduced when
wind speed reaches; -answer->>20 mph
The definition of cantilever of a lattice boom crane is; -answer->>The boom
suspended past the pendant connections
What chart do you use when operating a crane on a barge; -answer->>List chart
According to OSHA, Jibs must have a positive ________ from backwards
overturning -answer->>Stop
Mobile cranes on barges shall be -answer->>Physically attached to the barge
When a crane is properly barricaded, what is the clearance required all the way
around 360 degrees between the superstructure and the barricade when swung 360
degrees? -answer->>2 feet
According to ASME B30.5 a fire extinguisher shall have a rating of __________ and
shall be available at all operator's stations or cabs of the equipment. -answer->>10
BC or higher
When assembling a lattice boom crane the top pins of the boom sections should be
inserted; -answer->>First
Block hoisting sheaves should have a minimum pitch diameter of at least________
the rope diameter. -answer->>16 times
What is the correct method of checking the brakes of crane that has been already
assembled? -answer->>Lift the load a few inches off the ground and apply the
brakes
A long boom crane working at minimum radius and 3 degrees out of level will have a
loss of capacity by; -answer->>50%
Can rotation resistant rope be used with a swivel? -answer->>If approved by the
rope's manufacture
When performing duty cycle operations, most manufactures require the crane's load
chart capacity to be reduced by; -answer->>20%
