If the radius of curve is 380m, what is its degree designation on 20m arc?

Question

Question

This question was previously asked in

JKSSB JE Civil Jal Shakti 5 Dec 2022 Official Paper (Shift 1)

Answer 1

Concept:

For 20 m chain length,

Degree of curve (D) is given by

⇒ \(D = \frac{{1146}}{R}\)

For 30 m chain length,

Degree of curve (D) is given by

⇒ \(D = \frac{{1719}}{R}\)

Calculation:

∴ For 20 m chain length,

D = 1146/380 = 3.0157^o