Practice A Road Having An Up-gradient Of 1 In 15 Is To Be Connected To A Down-gradient Of 1 In 20... (2.71)

Practice: A road having an up-gradient of 1 in 15 is to be connected to a down-gradient of 1 in 20...

Lesson 2.71Exercises for Practice

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8 questions

Flashcard drill
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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the significance of a vertical parabolic curve in road design?
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Think about the driver's experience on a road.
Question 2.
How is gradient expressed in road design?
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Consider how steepness is denoted mathematically.
3Question 3.
What is the primary purpose of a vertical parabolic curve in road design?
- To connect two straights
- To improve visibility
- To reduce costs
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Think about why visibility is crucial for roadways.
4Question 4.
Visibility distance can be affected by which of the following?
- True
- False
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Look at how eyesight and roadway design interact.
Question 5.
Given a new gradient of 1 in 10, design a parabolic curve considering driver visibility. Calculate all necessary dimensions to maintain a 200 m visibility.
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Consider how steeper gradients require adjustments in curve length for safety.
Question 6.
Analyze the current visibility distance for a parabolic curve with specified eye height and adjust it for safety improvements.
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Refer back to visibility calculations made in previous examples.

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