Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

NCCCO Tower Crane Exam 7.2024: Questions and Answers, Exams of Mobile Computing

University of Mississippi Medical CenterMobile Computing

A comprehensive set of questions and answers related to the nccco tower crane exam 7.2024. It covers various aspects of tower crane operation, including erection, dismantling, safety procedures, load capacity, and maintenance. A valuable resource for individuals preparing for the nccco tower crane exam.

Typology: Exams

2023/2024

Available from 11/07/2024

Classrep02
Classrep02 🇺🇸

5

(1)

2.1K documents

1 / 5

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
NCCCO tower exam 7.2024
ACCURATE 100%
When tower crane is erected/dismantled, written instructions must be - ANSWER
On site
Tower crane erection/dismantling shall be performed under direct supervision of
the - ANSWER Designated person
What is the minimum clearance from obstruction when the tower crane freely
rotates 360•? - ANSWER 6 ft 6 in
What must the crane operator do when a load is suspended - ANSWER Remain at
the controls
How often should the hoist rope be lubricated? - ANSWER Every 200 hours
If block is twisted, it may be necessary to fix the ______________ and make a few
empty runs with the hook and trolley and then reopen - ANSWER Twist
compensator
How many wraps shall be on the drum when the block is at its lowest point -
ANSWER 3
pf3
pf4
pf5

Partial preview of the text

Download NCCCO Tower Crane Exam 7.2024: Questions and Answers and more Exams Mobile Computing in PDF only on Docsity!

NCCCO tower exam 7.

ACCURATE 100%

When tower crane is erected/dismantled, written instructions must be - ANSWER On site Tower crane erection/dismantling shall be performed under direct supervision of the - ANSWER Designated person What is the minimum clearance from obstruction when the tower crane freely rotates 360•? - ANSWER 6 ft 6 in What must the crane operator do when a load is suspended - ANSWER Remain at the controls How often should the hoist rope be lubricated? - ANSWER Every 200 hours If block is twisted, it may be necessary to fix the ______________ and make a few empty runs with the hook and trolley and then reopen - ANSWER Twist compensator How many wraps shall be on the drum when the block is at its lowest point - ANSWER 3

The radius on a crane chart refers to - ANSWER Center of rotation to center of gravity of load or hook What would cal for a running rope to be taken out of service - ANSWER 12 randomly distributed broken wires in one lay or 4 in one strand in one lay maintainence personnel are only permitted to operate crane when - ANSWER Only when performing the maintenance duties Crane must be a minimum of ____ away from power lines up to 50kV - ANSWER 10ft How do you determine the size or the mats/blocking needed under tower crane outriggers? - ANSWER Ground bearing capacity of The supporting surface Where shall a fire extinguisher , with a minimum 10ABC classification be installed on a tower crane? - ANSWER In the cab or at the machinery housing Where should tools be kept on a crane when they are not being used? - ANSWER Toolbox List 2 functions that increase the load radius - ANSWER Trolley out and swing Which item below weighs 490 pounds per cubic foot? - ANSWER Steel

Net capacity is determined by - ANSWER Gross capacity minus all deductions A crane should always be barricaded within - ANSWER The outermost swing radius of the rear of the superstructure ( counterweight) The crane must have a _________ inspection performed both monthly and yearly. This information must be documented by the employer that conducts the inspection. - ANSWER Periodic What is the weight of steel per cubic foot? - ANSWER 490 lbs If radius is in between On load chart, you should use - ANSWER Next longer radius If the boom angle is in between On The load chart , you should - ANSWER Use next lower boom angle Wind blowing on the job site can cause: - ANSWER Increase radius and lower tower crane capacity In most cases tower crane operations should be shut down with winds in excess of

  • ANSWER 45 mph What is the weight of steel? - ANSWER 490 pounds per cubic foot On a self - erecting tower crane , which of the following is included in the set up?
  • ANSWER Preparing foundation or ground compaction

On a self-erecting tower crane , which of the following is included in the erection process? - ANSWER Unfolding What should be done if the radio remote is left unattended - ANSWER De-energize crane and remove key or place control in a lock box If the operator is qualified to operate the self erecting tower crane , he can also erect and dismantle the crane - ANSWER False When Tower crane can reach prohibited zone of power lines , what must be done

  • ANSWER A- range control warning device B- use proximity alarm to give operator sufficient warning to prevent encroachment C-dedicated spotter D-all of the above