NCCCO Lattice Boom Crawler Crane 2025-2026
Most Recent Version Comprehensive 60
Questions and Verified Answers Accurate
Solutions Already Graded A+ Get it 100% Correct
A crawler crane is based on ________ stability of static load. - CORRECT ANSWER:
75%
A crawler crane traveling forward is defined as traveling in the direction of - CORRECT
ANSWER: The idler
A pin-connected lattice boom is being dismantled. After connecting the equalizer (bridle)
to the connecting lugs on the boom, which boom connecting pins should be removed
first - CORRECT ANSWER: Lower connection pins, located at the head of the equalizer
According to OSHA 1926.1431 personnel platforms lifts should not be made with wind in
excess of - CORRECT ANSWER: 20 MPH
After the crane has been checked out and before crane lift operations begin the crew
should: - CORRECT ANSWER: Have a pre-lift meeting
Blocking can be placed under the ends of tracks to: - CORRECT ANSWER: Increase
the crane's stability when operating over the front or back
Boom Assembly - CORRECT ANSWER: Always install upper pins first
By order of hitch strength, which is the correct answer - CORRECT ANSWER: Basket,
vertical, choker
, During assembly where should you attach slings to lift boom sections - CORRECT
ANSWER: End Fittings
During disassembly of a long boom, the hog lines are connected at the maximum
cantilever point and the boom is slightly lifted off the ground. Which pins are to be
removed next - CORRECT ANSWER: The bottom pins ahead of the cantilever points
Extended Crawlers Will - CORRECT ANSWER: Increase over side capacities
How does high wind effect cranes with a long boom - CORRECT ANSWER: It
introduces side load onto the boom
How many broken wires in one strand must there be to remove a running wire rope from
service - CORRECT ANSWER: 3
How many random broken wires must there be to remove a running wire rope from
service - CORRECT ANSWER: 6
If replacing the hoist line wire rope on a crane, how do you determine the size or type of
wire rope to use - CORRECT ANSWER: Refer to manufacturers operator's manual
Manufacture specs only permit a certain amount of boom to be suspended out past the
connection point of the pendants during assembly or disassembly of the boom. This
portion of boom is called the - CORRECT ANSWER: Cantilever Length
Mats are usually _____ to hold together. - CORRECT ANSWER: Bolted
On a lattice boom crane, the device that automatically stops the boom when it nears the
maximum angle is the - CORRECT ANSWER: Boom hoist kick out
Most Recent Version Comprehensive 60
Questions and Verified Answers Accurate
Solutions Already Graded A+ Get it 100% Correct
A crawler crane is based on ________ stability of static load. - CORRECT ANSWER:
75%
A crawler crane traveling forward is defined as traveling in the direction of - CORRECT
ANSWER: The idler
A pin-connected lattice boom is being dismantled. After connecting the equalizer (bridle)
to the connecting lugs on the boom, which boom connecting pins should be removed
first - CORRECT ANSWER: Lower connection pins, located at the head of the equalizer
According to OSHA 1926.1431 personnel platforms lifts should not be made with wind in
excess of - CORRECT ANSWER: 20 MPH
After the crane has been checked out and before crane lift operations begin the crew
should: - CORRECT ANSWER: Have a pre-lift meeting
Blocking can be placed under the ends of tracks to: - CORRECT ANSWER: Increase
the crane's stability when operating over the front or back
Boom Assembly - CORRECT ANSWER: Always install upper pins first
By order of hitch strength, which is the correct answer - CORRECT ANSWER: Basket,
vertical, choker
, During assembly where should you attach slings to lift boom sections - CORRECT
ANSWER: End Fittings
During disassembly of a long boom, the hog lines are connected at the maximum
cantilever point and the boom is slightly lifted off the ground. Which pins are to be
removed next - CORRECT ANSWER: The bottom pins ahead of the cantilever points
Extended Crawlers Will - CORRECT ANSWER: Increase over side capacities
How does high wind effect cranes with a long boom - CORRECT ANSWER: It
introduces side load onto the boom
How many broken wires in one strand must there be to remove a running wire rope from
service - CORRECT ANSWER: 3
How many random broken wires must there be to remove a running wire rope from
service - CORRECT ANSWER: 6
If replacing the hoist line wire rope on a crane, how do you determine the size or type of
wire rope to use - CORRECT ANSWER: Refer to manufacturers operator's manual
Manufacture specs only permit a certain amount of boom to be suspended out past the
connection point of the pendants during assembly or disassembly of the boom. This
portion of boom is called the - CORRECT ANSWER: Cantilever Length
Mats are usually _____ to hold together. - CORRECT ANSWER: Bolted
On a lattice boom crane, the device that automatically stops the boom when it nears the
maximum angle is the - CORRECT ANSWER: Boom hoist kick out
