Practice Horizontal Curve (14.3) - Horizontal alignment I - Transportation Engineering

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9 questions

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6 sample questions

Question 1.
Define centrifugal force in the context of road design.
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Think about what happens physically when you turn a car.
Question 2.
What is super-elevation?
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Recall how the road surface is angled at turns in curves.
3Question 3.
What is the primary effect of centrifugal force on a vehicle in a curve?
- It pulls the vehicle inward
- It pushes the vehicle outward
- It has no effect
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Think about how you feel in a turning vehicle.
4Question 4.
True or False: Super-elevation helps counteract centrifugal force.
- True
- False
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Consider what happens to the outer and inner edges of the road.
Question 5.
A vehicle weighing 1200 kg travels at 25 m/s around a curve of radius 50 m. What is the centrifugal force acting on it?
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Make sure to substitute correctly and watch your units.
Question 6.
If the maximum frictional coefficient on a road is 0.3, what is the maximum speed a vehicle can safely take a curve of radius 45 m without skidding?
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Ensure your units are consistent when you perform the calculations.

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