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Two straight lines deflect through an angle of 60°, the radius of a curve joining the two straight lines is 600 m. The length of the long chord and mid ordinate (in m) of the curve respectively are
  • a)
    80.4, 600.0
  • b)
    600.0, 80.4
  • c)
    600.0, 39.89
  • d)
    49.89, 300.00
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Two straight lines deflect through an angle of 60°, the radius of ...
The angle between two straight lines is defined as the smallest angle between them. Therefore, if two straight lines deflect through an angle of 60 degrees, it means the angle between them is 60 degrees.
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Two straight lines deflect through an angle of 60°, the radius of ...
For the given curve:


Calculation:
Given angle of intersection = 120 ° 
But we need to find deflection Angle Δ 
Angle of intersection + Deflection angle = 180°
∴ Deflection angle, Δ = 60° 
Length of long chord = 2 × 600 × sin (60°/2) = 600 m.
Length of the mid ordinate (m) = 600 (1 – cos(60°/2)) = 80.4 m
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Two straight lines deflect through an angle of 60°, the radius of a curve joining the two straight lines is 600 m. The length of the long chord and mid ordinate (in m) of the curve respectively area)80.4, 600.0b)600.0, 80.4c)600.0, 39.89d)49.89, 300.00Correct answer is option 'B'. Can you explain this answer?
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Two straight lines deflect through an angle of 60°, the radius of a curve joining the two straight lines is 600 m. The length of the long chord and mid ordinate (in m) of the curve respectively area)80.4, 600.0b)600.0, 80.4c)600.0, 39.89d)49.89, 300.00Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Two straight lines deflect through an angle of 60°, the radius of a curve joining the two straight lines is 600 m. The length of the long chord and mid ordinate (in m) of the curve respectively area)80.4, 600.0b)600.0, 80.4c)600.0, 39.89d)49.89, 300.00Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two straight lines deflect through an angle of 60°, the radius of a curve joining the two straight lines is 600 m. The length of the long chord and mid ordinate (in m) of the curve respectively area)80.4, 600.0b)600.0, 80.4c)600.0, 39.89d)49.89, 300.00Correct answer is option 'B'. Can you explain this answer?.
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