NCCCO Lattice Boom General Knowledge Exam Latest 2024 Update
6 views 0 purchase
Course
NCCCO Lattice Boom General Knowledge
Institution
NCCCO Lattice Boom General Knowledge
NCCCO Lattice Boom General Knowledge Exam Latest
2024 Update
The lattice boom is designed to take winds of up to 20 mph. from the side plus a full
rated load, plus a direct side load equal to what percent of the rated load? -
ANSWER>>2%
The part of the load chart governed by stability is...
NCCCO Lattice Boom General Knowledge Exam Latest
2024 Update
The lattice boom is designed to take winds of up to 20 mph. from the side plus a full
rated load, plus a direct side load equal to what percent of the rated load? -
ANSWER>>2%
The part of the load chart governed by stability is based on what percentage of capacity
while a crawler crane is working over the side quadrant? - ANSWER>>A. 75%
The most unstable working quadrant for a crawler crane is the; - ANSWER>>Side
What type of capacity is listed on a crane load chart? - ANSWER>>Static
If the manufacture of a particular crane does not specifically permit pick and carry
operations what procedure must be followed during this operation? - ANSWER>>Don't
make any pick and carry lifts
What is the main purpose of a jib/extension? - ANSWER>>To extend reach higher or up
and over
When the number of layers of rope on a drum increase the line pull___________. -
ANSWER>>Decreases
When handling boom sections, the best place for slings to be attached is; -
ANSWER>>At the pin connections at the ends of the top chords
Placing timber blocking under the tips of the tracks on a crawler crane will; -
ANSWER>>Make the crane more stable
, What is the major effect of stopping suddenly a rapid swing while operating long boom
crane? - ANSWER>>Action may cause the crane boom collapse and/or overturn the
crane
According to B30.10 hooks shall be removed from service when the throat opening
exceeds _____ the original throat opening. - ANSWER>>5%
On a crawler crane ground bearing pressure is greatest where? - ANSWER>>Over the
corner
During disassembly of a long boom, the pendant lines are connected at the maximum
cantilever point and the boom is slightly lifted off the ground, which boom connection
pins are to be removed next? - ANSWER>>The bottom pins ahead of the cantilever
point
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller winniewaweru. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
