Certification Exam, National Commission for the
Certification of Crane Operators, 2026/2027 – 55-Question
Practice Exam with Verified Solutions
A crane is operating with a long boom, on outriggers, on uneven ground. Under these
conditions it is important to - CORRECT ANSWERS-Block under the float or pad to
achieve a 90 degree angle between the cylinder rod and the float or pad
What is the purpose of a boom length indicator? - CORRECT ANSWERS-Indicates the
extended length of boom
When a rough terrain crane is working on tires, backward tipping is most likely to occur when
the unloaded boom is position over the - CORRECT ANSWERS-Side at short radius
When performing pick and carry operations with a rough terrain crane, you should keep the
load - CORRECT ANSWERS-Positioned over the front of the carrier
In which outrigger configuration would a crane be the most susceptible to tipping from a
rapidly swinging load? - CORRECT ANSWERS-Outriggers up and in
According to OSHA 1926 subpart cc, when extending outriggers from the crane's upper
structure, the operator shall - CORRECT ANSWERS-Make visual contact or post a signal
person
A luffing jib is - CORRECT ANSWERS-Raised or lowered independent of the main boom
When operating a rough terrain crane, what is the most stable quadrant of operation? -
CORRECT ANSWERS-Front