Free NCCCO Tower Crane Operator Test 2

What is the purpose of the slewing brake on a tower crane?

To control the boom angle

To control the hoisting speed

To stop the crane’s rotation

To engage the emergency stop

Correct! Wrong!

What should be done if a tower crane begins to sway excessively during operation?

Increase the load to stabilize the crane

Reduce the load and stop work

Speed up the operation to counteract the sway

Ignore the sway and continue lifting

Correct! Wrong!

How should the hook block be positioned when preparing to lift a load with a tower crane?

Above the load

Below the load

Directly centered with the load

Anywhere on the load for balance

Correct! Wrong!

When operating a tower crane near power lines, what safety precaution must be observed?

Maintain a safe distance

Always use a spotter

Ensure the crane is grounded

Maintain a safe distance

Correct! Wrong!

What is the primary function of the load moment indicator (LMI) on a tower crane?

To indicate the weight of the load being lifted

To prevent overloading of the crane

To measure the boom length

To control the crane’s speed

Correct! Wrong!

What does the term “slew” refer to in relation to a tower crane?

Lifting the load vertically

Lowering the load

Adjusting the counterweight

Moving the jib horizontally

Correct! Wrong!

Which of the following factors can affect the stability of a tower crane?

Wind speed

Surface conditions

Load weight

All of the above

Correct! Wrong!

During a tower crane operator’s pre-operational inspection, what should be checked for proper functioning?

Auxiliary hoist operation

Functioning of outriggers

Condition of rigging slings

All of the above

Correct! Wrong!

What is the purpose of a climbing frame on a tower crane?

To support the jib and counterweights

To stabilize the crane during operation

To allow the crane to grow in height as the building rises

To provide access for maintenance personnel

Correct! Wrong!

Which of the following is a primary advantage of using a tower crane over other types of cranes?

Higher lifting capacity

Faster travel speed

Greater mobility

Ability to reach higher elevations

Correct! Wrong!

What type of crane is most commonly used in the construction of high-rise buildings?

Mobile crane

Tower crane

Crawler crane

Overhead crane

Correct! Wrong!

Free NCCCO Tower Crane Operator Test 2

What is the purpose of the slewing brake on a tower crane?

What should be done if a tower crane begins to sway excessively during operation?

How should the hook block be positioned when preparing to lift a load with a tower crane?

When operating a tower crane near power lines, what safety precaution must be observed?

What is the primary function of the load moment indicator (LMI) on a tower crane?

What does the term “slew” refer to in relation to a tower crane?

Which of the following factors can affect the stability of a tower crane?

During a tower crane operator’s pre-operational inspection, what should be checked for proper functioning?

What is the purpose of a climbing frame on a tower crane?

Which of the following is a primary advantage of using a tower crane over other types of cranes?

What type of crane is most commonly used in the construction of high-rise buildings?

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