CCO PRACTICE EXAM QUESTIONS & ANSWERS 100% CORRECT!!
8 views 0 purchase
Course
CCO PRACTICE
Institution
CCO PRACTICE
When working on rubber, cranes are rated at what percentage of tipping:
a) 70%
b) 75%
c) 80%
d) 85% - ANSWER75%
When a crane is working "on outriggers" the only time they should be less than fully extended is when:
a) working alongside the highway and cannot block a lane
b) you are handlin...
CCO PRACTICE EXAM QUESTIONS & ANSWERS
100% CORRECT!!
When working on rubber, cranes are rated at what percentage of tipping:
a) 70%
b) 75%
c) 80%
d) 85% - ANSWER75%
When a crane is working "on outriggers" the only time they should be less than fully extended is
when:
a) working alongside the highway and cannot block a lane
b) you are handling light loads
c) the main boom is being lifted
d) there is a load chart for this operation - ANSWERthere is a load chart for this operation
A truck crane set up with the outriggers extended and set, and tires touching the ground, the
operator should refer to what load chart:
a) intermediate chart
b) over the front chart
c) on rubber chart
d) 85% of the main chart - ANSWERon rubber chart
Blocking paced under the ends of crawler tracks will:
a) increase the crane's stability when operating over front or back
b) increase the crane's stability when operating over side
c) stop crane from traveling unexpectedly
d)stop crane from sliding unexpectedly - ANSWERincrease the crane's stability when operating over
front or back
What quadrant produces the least amount of ground pressure on a lattice crawler:
, a) corner
b) side
c) front
d) rear - ANSWERside
When a crane is operating on properly set outriggers, the tipping axis is located at the:
a) radius of the counterweight
b) center pin of the crane
c) boom heel pins
d) point where the outriggers touch the ground - ANSWERpoint where the outriggers touch the
ground
The purpose of placing mats or cribbing under outrigger floats is to:
a) get the tires off the ground
b) distribute the downward force of the float over a larger area
c) allow the float to be level
d) raise the operator's cab for better vision - ANSWERdistribute the downward force of the float over
a larger area
During assembly where should you attach slings to lift boom sections:
a) to the top of main chords
b) to the top end fittings
c) 2 feet from end of section
d) center of boom section - ANSWERto the top end fittings
When a lattice boom truck crane is set up on outriggers, the floats or pads should always be:
a) large enough to support two times the applied load
b) with the tires firmly on the ground
c) secured to the outriggers
d) placed on the mats - ANSWERsecured to the outriggers
A truck crane operating with outriggers fully extended and set, but does not have a front outrigger,
the operator should:
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 papersbyjol. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.89. You're not tied to anything after your purchase.
