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

What risk arises when operating a tracked excavator on frozen ground that begins to thaw during the working day?

Thawing surface ice turns topsoil into slick mud, causing sudden loss of traction, track slide, or machine sinkage Frozen track steel becomes brittle and shatters under normal engine torque Track tensioners automatically loosen and shed tracks instantly The hydraulic fluid freezes inside the main boom cylinders

Correct Answer:

Thawing surface ice turns topsoil into slick mud, causing sudden loss of traction, track slide, or machine sinkage

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