TGPSC HMWSSB Manager 2015 Paper 2 · Question 11

Question 11 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) · Q11 · Transportation Engineering · Traffic Engineering

   Webster's equation for computing saturation flow rate in signal design (S = saturation flow rate PCU/hour; W = carriage way width in meters.)

   1. S = 225 W PCU/hour
   2. S = 525 W PCU/hour
   3. S = 550 W PCU/hour
   4. S = 250 W PCU/hour
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   Answer: (2) S = 525 W PCU/hour

   For an approach width of about 5.5 m to 18 m, Webster's method takes the saturation flow as S = 525 W PCU per hour of green, where W is the approach width in metres.

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