NCCCO MOBILE CRANE EXAM QUESTIONS WITH 100% ANSWERS

NCCCO MOBILE CRANE EXAM QUESTIONS WITH 100% ANSWERS 1. What Standard Method hand signal is being illustrated? a. Swing b. Stop c. Emergency Stop d. Travel correct answers a. 8. Who should an operator respond to a "stop" signal from? a. Appointed signal person only b. Project manager only c. Superintendent only d. Anyone correct answers d. 2. 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 correct answers 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 correct answers d. 3. What applies to the capacities below the bold line shown on a load chart? a. They are based on the structural strength of the crane b. They must not be used c. They are based on the stability of the crane d. They should only be used if the crane is set up on outriggers correct answers c. 4. In which quadrant are rough terrain crane capacities generally greater? a. Over the front b. Over the rear c. Over the right side d. Over the left side correct answers a. 5. According to federal requirements, under what conditions is it okay for a person to ride the headache ball? a. When there is no other way to gain access b. When the lift has been approved by an engineer c. When other means would be more dangerous d. It is never okay correct answers d. 6. By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement? a. 10%. b. 15%. c. 20%. d. 30%. correct answers c. 15. From which two points should the boom be measured? a. From the base of the boom to the center of the boom tip sheave b. From the boom hinge pins to the boom tip c. From the boom hinge pins to the center of the boom tip sheaved. d. From the base of the boom to the boom tip correct answers c.