TGPSC HMWSSB Manager 2015 Paper 2 · Question 12

Question 12 of the TSPSC Manager (Engineering), HMWSSB, 2015: Paper 2 (Civil Engineering) (1 November 2015). Try it first, then open the answer and explanation.

1. Manager 2015 Paper 2 (Civil) · Q12 · Transportation Engineering · Highway Engineering

   For the calculation of stopping distance, the longitudinal friction co-efficient values of ______ have been recommended by Indian Roads Congress.

   1. 0.35 to 0.40
   2. 0.15 to 0.20
   3. 0.40 to 0.45
   4. 0.45 to 0.50
   Show answer

   Answer: (1) 0.35 to 0.40

   IRC recommends a longitudinal friction coefficient ranging from 0.40 at low speeds down to 0.35 at high speeds for calculating braking distance in SSD. Values of 0.15 to 0.20 are of the order used for lateral friction on curves, not braking.

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