NCCCO Tower Crane Operator 3

Question 1

What is unique about a tower crane operator's daily climb to the cab?

Accepted Answer

Many tower cranes require the operator to climb a ladder inside the tower — potentially hundreds of feet — making physical fitness essential

Answer

They use an elevator in all cases

Answer

They are lifted by the crane itself

Answer

They work from ground level using remote control

Question 2

How does a tower crane operator determine wind speed at operating height?

Accepted Answer

Using an anemometer mounted at or near the jib level of the crane

Answer

Look at ground-level flags

Answer

Checking the morning weather report

Answer

Estimating based on how the boom moves

Question 3

What must the tower crane operator do during a lightning storm?

Accepted Answer

Cease operations, secure the crane (free-slewing if designed for it), and evacuate the cab to a safe location at ground level

Answer

Continue working if lifts are urgent

Answer

Stay in the cab as it's the safest place

Answer

Lower the boom to minimum angle

Question 4

What is 'trolleying' on a tower crane?

Accepted Answer

Moving the trolley along the jib to change the operating radius and load position

Answer

Moving the crane on rails

Answer

Rotating the crane

Answer

Lowering the hook

Question 5

What is 'free-slewing' and when is it used?

Accepted Answer

When the crane's upper structure is allowed to rotate freely with the wind, typically during high winds when the crane is not in operation

Answer

When the operator manually rotates the crane

Answer

When the crane slews at maximum speed

Answer

When two cranes coordinate their slewing

Question 6

How is communication managed between a tower crane operator and ground crew on a large job site?

Accepted Answer

Dedicated radio channel, designated signal persons, and potentially camera systems for blind spots

Answer

Shouting

Answer

Text messages

Answer

The operator just watches from above