NCCCO Core Test Question with Correct Answers, Exams of Civil Engineering

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Wha the net capacily of a crane on main boom unless the manufacturer slales otherwise? CORRECT ‘he capacity listed in the load chart minus the weight of the rigging and all attachments What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection CORRECT ANSWER: 1 could swing out away from the crane Who should an operator respond to a "stop" signal from? CORRECT ANSWER: Anyone Which area do trick cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? CORRECT ANSWER: The front What is the definition of "operating radius?" CORRECT ANSWER: The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? CORRECT ANSWER: They are based on the stability of the crane In which quadrant are rough terrain crane capacitics gencrally greater? CORRECT ANSWER: Over the front According to federal requirements, under what conditions is it okay for a person to ride the headache ball’? CORRECT ANSWER: tis ver okay 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? CORRECT ANSWER: 20% From which two points should the boom be measured? CORRECT ANSWER: From the boom hinge pins to the center of the boom tip sheave What is the preferred method of installing wire rope from a reel onto a hoist drum? CORRECT ‘he rope runs from the top of the reel to the top of the drum Over which quadrant are truck crane capacities usually greater? CORRECT ANSWER: Over the rear. According to OSHA, which accessible area of an operating crane must always be barricaded? CORRECT ANSWER: Tie swing radius of the rear of the rotating superstructure What is the OSHA regulation governing cranes in construction? CORRECT ANSWER: 1926.1400 Under which circumstance is a crack in the windshield of a crane cab okay? CORRECT ANSWER: As long as it causes no visible distortion that would interfere with safe operations Under which circumstance does OSHA permits hoisting of personnel by crane? CORRECT ANSWER: As long as there is no less hazardous or practicable way