Cpcs Practice Test & Exam Prep | United Kingdom

What is the primary function of central ballast ballast blocks on a bottom-slewing self-erecting tower crane?

To stabilize the non-slewing lower chassis against overturning moments during operation and storm conditions. To provide emergency braking force for the slewing mechanism. To act as a anchor weight for the hoist rope dead-end reeving. To adjust the working height of the telescopic mast during operation.

Correct Answer:

To stabilize the non-slewing lower chassis against overturning moments during operation and storm conditions.

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