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

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When should cranes be load tested?

Before use
After modifications
Every day
Only if malfunctioning

The correct answer is: After modifications

Cranes should be load tested after modifications to ensure that any changes made do not compromise their structural integrity or operational safety. Modifications can include changes to the crane's configuration, such as adding or removing parts or components that may affect its load-carrying capacity. Conducting a load test following modifications validates that the crane can safely handle the intended loads and that all systems function as required. Regular load testing after any alterations is a crucial step in safeguarding operators and others on the job site, as it helps to confirm that the crane continues to meet necessary safety standards. Testing cranes before use, every day, or only when they are malfunctioning serve other purposes, such as routine inspections or maintenance checks, but do not specifically address the need for load testing in light of modifications.