Practice Critical Length Of The Grade (17.2.3.4) - Vertical Alignment - Transportation Engineering

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What is the critical length?
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Think about how speed impacts gradients.
Question 2.
Why is 25 km/h often used for operational speed?
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Consider why speed matters for vehicles.
3Question 3.
What is the critical length for loaded trucks?
- The length of the road with no gradient
- The maximum length a truck can ascend without speed loss
- Any length of gradient
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Think about what affects speed in gradients.
4Question 4.
True or False: The critical length is always the same for every truck.
- True
- False
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Consider how load and power alter performance.
Question 5.
Design a gradient with a maximum length of 300 meters for a truck weighing 20 tons. How would you calculate its critical length?
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Think about how weight and power impact speed.
Question 6.
Analyze the effects of critical length on a new road design for trucks versus buses. What specific considerations apply?
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Consider speed and operational requirements for different vehicles.

4 more questions in this section. Enroll free to practise them all.