Practice Grade Resistance Discussion (2) - Overview 72 - Construction Engineering & Management

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6 sample questions

Question 1.
What is rolling resistance for a vehicle weighing 20 tons with 30 kg per ton?
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Multiply weight in tons by resistance per ton.
Question 2.
If a slope is at 6%, how much grade resistance is required?
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Use the formula of grade resistance.
3Question 3.
What is rolling resistance based on?
- Machine speed
- Vehicle weight
- Slope percentage
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Think about how weight affects movement.
4Question 4.
True or False: Grade assistance occurs when moving uphill.
- True
- False
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Consider how gravity aids movement in different directions.
Question 5.
Given a tractor weighing 20 tons with a rolling resistance of 20 kg per ton and ascending a 2% slope, calculate the total power required to tow a load if the tractor can provide 5000 kg of pull.
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Break down the problem into rolling and grade resistance components.
Question 6.
A machine must move up a 3% slope and has a rolling resistance of 15 kg per ton. How much power does it need if it weighs 30 tons?
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Always start with calculating each form of resistance.

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