NPORS Plant Operator Theory Practice Questions - UK NPORS Plant Operator Theory Test (N001 N202) Exam

What safety precaution must be taken before deploying outriggers on ground containing soft topsoil over shallow rock?

Pour loose gravel over topsoil without compacting before lowering outrigger feet Remove soft topsoil layer, inspect bedrock stability, and place suitable load-spreading pads on firm ground Extend outriggers fully directly onto soft topsoil to absorb mechanical vibration Operate outriggers at half extension to reduce pressure on the ground surface

Correct Answer:

Remove soft topsoil layer, inspect bedrock stability, and place suitable load-spreading pads on firm ground

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