NCCCO LATTICE BOOM LATEST
GENERAL KNOWLEDGE
EXAMINATION
QUESTIONS AND
ANSWERS 2026 - 2027
When rotation resistant ropes are used in boom hoisting reeving systems,
sheaves used shall have a rope pitch diameter of not less than? -
ANSWERS-18 times
Load capacity charts for crawler cranes are based on which percentage
of tipping capacities? - ANSWERS-75%
The additional load that occurs when a crane experiences sudden starts
and stops is known as what? - ANSWERS-Dynamic loading
What is a luffing jib? - ANSWERS-A jib that can change radius and
angles independent of the main boom
When a lattice crane is in a Tower configuration and the crane has a
variable position gantry, the gantry should be in which position? -
ANSWERS-In the full up position
END OF
PAGE
1
, NCCCO LATTICE BOOM LATEST
GENERAL KNOWLEDGE
EXAMINATION
QUESTIONS AND
ANSWERS 2026 - 2027
How far can a freely suspended lattice boom be erected beyond the
pendant connections? - ANSWERS-Varies by manufacture
The tipping axis of a crawler crane; - ANSWERS-Depends if the idler or
sprocket are in line or offset from the track rollers.
Lattice boom cranes manufactured after 2-28-92 must have which safety
device installed? - ANSWERS-Anti-two block warning device
Lattice boom cranes manufactured after 11-8-2011 must have which
safety device installed - ANSWERS-Anti-two block prevention device
If you move a crawler crane from soft ground to hard ground, ground
bearing pressure will; - ANSWERS-Increase
What is the minimum design factor required for a pendants or standing
ropes shall not be less than? - ANSWERS-3.0
END OF
PAGE
2
GENERAL KNOWLEDGE
EXAMINATION
QUESTIONS AND
ANSWERS 2026 - 2027
When rotation resistant ropes are used in boom hoisting reeving systems,
sheaves used shall have a rope pitch diameter of not less than? -
ANSWERS-18 times
Load capacity charts for crawler cranes are based on which percentage
of tipping capacities? - ANSWERS-75%
The additional load that occurs when a crane experiences sudden starts
and stops is known as what? - ANSWERS-Dynamic loading
What is a luffing jib? - ANSWERS-A jib that can change radius and
angles independent of the main boom
When a lattice crane is in a Tower configuration and the crane has a
variable position gantry, the gantry should be in which position? -
ANSWERS-In the full up position
END OF
PAGE
1
, NCCCO LATTICE BOOM LATEST
GENERAL KNOWLEDGE
EXAMINATION
QUESTIONS AND
ANSWERS 2026 - 2027
How far can a freely suspended lattice boom be erected beyond the
pendant connections? - ANSWERS-Varies by manufacture
The tipping axis of a crawler crane; - ANSWERS-Depends if the idler or
sprocket are in line or offset from the track rollers.
Lattice boom cranes manufactured after 2-28-92 must have which safety
device installed? - ANSWERS-Anti-two block warning device
Lattice boom cranes manufactured after 11-8-2011 must have which
safety device installed - ANSWERS-Anti-two block prevention device
If you move a crawler crane from soft ground to hard ground, ground
bearing pressure will; - ANSWERS-Increase
What is the minimum design factor required for a pendants or standing
ropes shall not be less than? - ANSWERS-3.0
END OF
PAGE
2
