Free NCCCO Mobile Crane Operator Test 2

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?

Swing

Boom up

Extend boom

Boom down

Correct! Wrong!

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?

Correct! Wrong!

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?

Stay in the cab until the lines are de-energized

Get as far away from the crane as possible

Climb down carefully from the crane cab

Jump down, feet together

Correct! Wrong!

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

2 broken wires in 30 rope diameters

1 broken wire in 6 rope diameters

2 broken wires in 6 rope diameters

3 broken wires in one strand in one lay

Correct! Wrong!

What is the net capacity of a crane on main boom unless the manufacturer states otherwise?

The capacity listed in the load chart minus the weight of the rigging and all attachments not in use

The capacity listed in the load chart minus the weight of the rigging and all attachments

The capacity listed in the load chart minus the weight of the rigging alone

The capacity listed in the load chart plus the weight of the rigging and all attachments

Correct! Wrong!

What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?

It could shift in its rigging

It could swing out away from the crane

It could raise absolutely vertically

Correct! Wrong!

Who should an operator respond to a “stop” signal from?

Anyone

Superintendent only

Appointed signal person only

Project manager only

Correct! Wrong!

What is the definition of “operating radius”?

The distance from the center of rotation of the crane to the center of the load

The distance from the base of the boom to the center of the load

The distance from the center of rotation of the crane to the center of gravity of the load

The distance from the front of the crane to the center of gravity of the load

Correct! Wrong!

According to federal requirements, under what conditions is it okay for a person to ride the headache ball?

When other means would be more dangerous

When there is no other way to gain access

When the lift has been approved by an engineer

It is never okay

Correct! Wrong!

According to OSHA, which accessible area of an operating crane must always be barricaded?

The carbody or chassis

The swing radius of the rear of the rotating superstructure

The distance between the car body or chassis and the boom tip

The swing radius of the crane

Correct! Wrong!

What is the OSHA regulation governing cranes in construction?

1926.1400

1926.556

1910.184

1910.180

Correct! Wrong!

Free NCCCO Mobile Crane Operator Test 2

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?

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?

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?

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

What is the net capacity of a crane on main boom unless the manufacturer states otherwise?

What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?

Who should an operator respond to a “stop” signal from?

What is the definition of “operating radius”?

According to federal requirements, under what conditions is it okay for a person to ride the headache ball?

According to OSHA, which accessible area of an operating crane must always be barricaded?

What is the OSHA regulation governing cranes in construction?

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Free NCCCO Mobile Crane Operator Test 3

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?

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?

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?

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

What is the net capacity of a crane on main boom unless the manufacturer states otherwise?

What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?

Who should an operator respond to a “stop” signal from?

What is the definition of “operating radius”?

According to federal requirements, under what conditions is it okay for a person to ride the headache ball?

According to OSHA, which accessible area of an operating crane must always be barricaded?

What is the OSHA regulation governing cranes in construction?

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