Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a vertical curve?
💡 Hint: Think of how hills are formed in a road.
Question 2
Easy
Why do we need vertical curves?
💡 Hint: Consider driver comfort and visibility.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the required length of a vertical curve connecting a -2.2% gradient to a +1.9% gradient?
- 10.14 m
- 14.28 m
- 20.0 m
💡 Hint: Review the gradient transition designs.
Question 2
True or False: Vertical curves have no effect on driver visibility during elevation changes.
- True
- False
💡 Hint: Consider what happens on steep climbs or descents.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A parabolic curve is to be designed between a -1% gradient and a +3% gradient on a highway with a design speed of 100 km/h. Calculate the minimum length of the vertical curve required.
💡 Hint: Check how speed and gradients dictate curve length.
Question 2
Discuss the effects of neglecting vertical curves on highway designs in terms of safety and comfort.
💡 Hint: Use examples of sharp inclines or declines.
Challenge and get performance evaluation