National Commission for the Certification of Crane Operators (NCCCO) Mobile Crane Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the National Commission for the Certification of Crane Operators Mobile Crane Test. Utilize engaging flashcards and multiple-choice questions, complete with hints and explanations. Maximize your chances of passing the exam!

Start Multiple Choice Practice Test
Start Flash Cards

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

By what percentage do most manufacturers require a crane's load chart capacity to be reduced for duty cycle operations such as high-volume concrete placement?

  1. 10%

  2. 15%

  3. 20%

  4. 30%

The correct answer is: 20%

Most manufacturers require a crane's load chart capacity to be reduced by 20% for duty cycle operations like high-volume concrete placement. This reduction is necessary due to the dynamic nature of such operations, which can involve constant movement and repositioning of the crane, leading to increased stresses on the equipment. The added factors of material weight, potential vibrations, and the extended time a load may remain on the hook necessitate this precaution to ensure safety and maintain operational integrity. By adhering to this guideline, operators can account for the additional forces at play during these types of lifting operations, thus preventing possible overload scenarios that could result in equipment failure or accidents.

More Questions Like This