Nccco exam 46 Questions and Answers with

Nccco exam |46 Questions and Answers with Complete Solutions - | Graded A 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? - Answer Boom up

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? - Answer 1%

The load line of the crane you're operating contacts an energized power line.There's no sign of any other danger, such as fire. What should you do? - Answer Stay in the cab until the lines are de-energized

According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant rope are cause for replacement of the rope? - Answer 2 broken wires in 6 rope diameters

What is the net capacity of a crane on main boom unless the manufacturer states otherwise? - Answer The 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? - Answer It could swing out away from the crane

What Standard Method hand signal is being illustrated? - Answer Swing 1 / 2

Who should an operator respond to a "stop" signal from? - Answer Anyone

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - Answer The fron

What is the definition of "operating radius?" - 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? - Answer They are based on the stability of the crane

In which quadrant are rough terrain crane capacities generally greater? - Answer Over the front

According to federal requirements, under what conditions is it okay for a person to ride the headache ball? - Answer It is never 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? - Answer 20%.

From which two points should the boom be measured? - Answer From the boom hinge pins to the center of the boom tip sheave

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