Nccco Mobile Crane Questions & Answers || Latest Update 2025

NCCCO MOBILE CRANE QUESTIONS & ANSWERS || LATEST UPDATE 20251. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up?a. Boom down b. Swing c. Boom up d. Extend boom - ANSWER c.2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid?a. 1%b. 2% c. 5% d. 8% - ANSWER a.9. Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise?a. The side b. The rear c. The front d. The outriggers - ANSWER c.10. What is the definition of "operating radius?"a. The distance from the base of the boom to the center of the load b. The distance from the front of the crane to the center of gravity of the load c. The distance from the center of rotation of the crane to the center of the load d. The distance from the center of rotation of the crane to the center of gravity of the load -