100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MOBILE CRANE REVIEW QUESTIONS AND CORRECT ANSWERS LATEST 2024 A+ SCORE $13.00   Add to cart

Exam (elaborations)

MOBILE CRANE REVIEW QUESTIONS AND CORRECT ANSWERS LATEST 2024 A+ SCORE

 7 views  0 purchase
  • Course
  • NCCCO
  • Institution
  • NCCCO

MOBILE CRANE REVIEW QUESTIONS AND CORRECT ANSWERS LATEST 2024 A+ SCORE Question 1 What is the purpose of placing mats or cribbing under or cribbing under outrigger floats?

Preview 4 out of 36  pages

  • August 6, 2024
  • 36
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NCCCO
  • NCCCO
avatar-seller
BestGradeSolution
MOBILE CRANE REVIEW QUESTIONS AND CORRECT ANSWERS LATEST 2024 A+
SCORE


Question 1

What is the purpose of placing mats or cribbing under or cribbing under outrigger floats?

Distribute the force over a larger area.



Question 2

Where is the best location for leveling a crane?

Upperworks. (a revolving frame of equipment on which operating machinery are mounted along
operator's can)

Question 3

Before leveling a mobile crane on outriggers, an operator should ensure:

There is no weight of the crane bearing on any tires.



Question 5

Operating a mobile crane with a long boom, on uneven ground, what support condition should be
considered?

Keeping a 90 degree angle between cylinder rod and pad.



Question 6

When may blocking (cribbing) be placed under outrigger beams on mobile cranes?

Never approved.



Question 7

Mobile cranes should be level to within what percent of grade?

1%

,Question 8

Timber crane mats work best when they are:

Bolted together



Question 9

When arriving in the crane at the job site, the operator should first determine the condition of the:

Access roads



Question 10

What surface listed below would not be a good location for assembly or setup of a mobile crane?

A. Above compacted fill

B. Above highway asphalt

C. Above underground vaults

D. Above highway concrete



Question 11

Each outrigger pad and its blocking should be sufficient to support?

The total weight of the crane and its load.



Question 12

How does high wind affect a mobile crane with a long boom?

Introduces side load onto the boom



Question 13

When is the only time the outrigger beams should be less than fully extended?

The load chart indicates that this is allowed (always make sure that it is safe first)



Question 14

What is the primary purpose for a rooster sheave or auxiliary boom point sheave?

,Separate the load hoist lines.



Question 15

Eccentric main boom tip reeving causes which of the following:

Twisting of the main boom



Question 16

Which type of wire rope listed below is installed on most cranes?



A. Right regular lay

B. Right alternate lay

C. Left regular lay

D. Left alternate lay

A. Right regular lay



Question 17

The hoist drum flange shall extend a minimum of _______ over the top layer of wire rope at all times
while crane is in operation.



A. 1/2 inch

B. 1 inch

C. 1 1/2 inch

D. 2 inch

1/2 inch



Question 18

Which type of wire rope listed below is installed on most cranes?



A. Main hoist line

, B. Boom hoist line

C. Auxiliary hoist line

D. Pendant line

Pendant line



Question 19

When lifting on outriggers, the floats or pads should always be:



A. Sufficient to support three times the applies load

B. Raised to touch the tires firmly on the ground

C. Secured to the outriggers cylinder

D. Secured to the mats

Secured to the outriggers cylinder



Question 20

On a mobile crane, how many broken wires are permitted at the connection of a pendant before it
must be taken out of service?



A. 6

B. 5

C. 3

D. 1

1



Question 21

How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, before
it should be removed from service?



A. 4

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 BestGradeSolution. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.00. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79271 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.00
  • (0)
  Add to cart