Take the CCO Mobile Crane Operator Certification Practice Test to find out how well-prepared you are for the CCO Test!

As of January 2026 these practice tests have been recently updated. Total Equipment Training encourages you to revisit every few months for the newest updates; our team makes an effort to update these CCO crane operator practice tests every 6 months.

CCO Mobile Crane Operator Certification (Practice Test)

Total Equipment Training provides CCO Mobile Crane Operator training materials and mobile crane operator test prep resources for both the written and practical exams. We also provide On-site mobile crane training using your equipment, which your operators are familiar with.

Search our heavy equipment study materials for further learning.

Welcome to your Mobile Crane Operator Practice Test. Take the test and find out how well prepared you are!

1. 

What information determines the crane’s maximum rated capacity for a lift?

2. 

What is the primary purpose of fully extending outriggers when required by the load chart?

3. 

What condition most increases the risk of crane overturning?

4. 

Who has the authority to stop a lift if unsafe conditions are observed?

5. 

What does the term “gross load” include?

6. 

Which factor requires derating crane capacity according to manufacturer instructions?

7. 

What is the primary hazard of two-blocking?

8. 

When must a qualified signalperson be used?

9. 

What should the operator do if wind conditions exceed manufacturer limits?

10. 

What is the function of crane counterweights?

11. 

What is required before operating a crane near energized power lines?

12. 

What action should be taken if the crane is found to be out of level during operation?

13. 
What does “side loading” refer to?

14. 
Why must sudden starts and stops be avoided during crane operations?

15. 
What inspection is required at the start of each work shift?

Captcha* (required)

Please enter the text visible in the image

Enter your email address to receive your free practice test results.

By submitting this form, you agree to receive these results via email and you consent to receive periodic email updates about NCCCO certification, training materials, and special offers from Total Equipment Training. You may unsubscribe at any time by clicking the link at the bottom of a marketing email.

Need Help?

Total Equipment Training is a great resource for all your heavy equipment training needs!

Contact us for more information!