Practice Two straights AC and CB - 9.1 | 2. Solution | Surveying and Geomatics
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Practice Questions

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Question 1

Easy

Define chainage and give an example.

💡 Hint: Think of how distances are marked on a road.

Question 2

Easy

What is the formula for calculating tangent length?

💡 Hint: Identify R and Δ in a simple example first.

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 formula for calculating the tangent length in circular curves?

  • Length = R Δ
  • Length = R tan(Δ / 2)
  • Length = R² Δ(π/180)

💡 Hint: Pay attention to how the angle is used in calculations.

Question 2

True or False: Chainage can only represent straight line distances.

  • True
  • False

💡 Hint: Think back to how chainages are established on curves.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given two straights with a meeting point at a chainage of 1500m and a deflection angle of 45°, calculate the required radius for a designed curve and report the tangent lengths as well.

💡 Hint: Apply both formulas sequentially for clarity.

Question 2

A circular curve needs to connect a point of intersection at 2000m. If the radius is set to 100m and the deflection is 90°, calculate both your tangent lengths and the overall chainage for endpoints.

💡 Hint: Map your solutions stepwise and ensure units are consistent.

Challenge and get performance evaluation