Practice By Offsets From The Tangents (1.3) - Linear methods of setting out curves

Practice: By offsets from the tangents

Lesson 1.3Linear methods of setting out curves

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9 questions

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3 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define what an offset is in surveying.
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Think about how we measure distances from straight lines.
Question 2.
Explain the difference between radial and perpendicular offsets.
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Consider the angles involved with each type of measurement.
3Question 3.
What is the purpose of using offsets in setting out curves?
- To measure distances
- To accurately plot curves
- To find tangent points
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Think about why precision is important in construction.
4Question 4.
True or False: Radial offsets can only be used for very sharp curves.
- True
- False
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Consider the versatility of offset types.
Question 5.
A new road requires a circular curve with a radius of 25 m. If the distance from the tangent is gauged at 10 m, calculate the radial and perpendicular offsets.
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Make sure to fully apply the formula as written step-by-step.
Question 6.
In a design study, an engineer finds that a certain curve’s radius is not producing the desired outcomes. They want to redesign the curve. What principles should they ask?
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Think about alignment and vehicle handling!

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