Mobile Crane NCCER study guide
2 2026
In a two crane lift the center of gravity should be -
correct answers✅Closer to the crane with the greatest
capacity
For rubber-tired cranes working on rubber, the part of
the load chart governed by stability is based on what %
of the crane's capacity? - correct answers✅75%
As a general rue on tandem crane lifts neither crane
should be loaded greater than what % of net capacity -
correct answers✅75%
On long boom cranes, what is the major effect of
abruptly stopping a rapid swing? - correct
answers✅Action may overturn the crane or collapse
the boom
The most important thing to remember when
performing dual crane lifts is: - correct answers✅The
cranes should not be loaded beyond 75% of their rated
capacity
The total weight of a loaded personnel platform and
related rigging shall not exceed what % of the rated
capacity for the radius and configuration of a crane or
derrick - correct answers✅50%
