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

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How should a plant operator calculate total ground surcharge pressure when operating a 20-tonne excavator equipped with a 3-tonne concrete pile breaker near an open cofferdam?

Use static unladen machine weight only, as dynamic breaker forces dissipate into the air Subtract attachment weight from total machine mass to calculate net working weight Combine machine weight plus attachment load plus dynamic working shock loads, and evaluate total load against geotechnical engineer limits Multiply machine weight by track width and divide by diesel engine horsepower

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Combine machine weight plus attachment load plus dynamic working shock loads, and evaluate total load against geotechnical engineer limits

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