GATE Civil Engineering (CE) 2017 Shift 1 Solved Paper

Question : 43 of 65

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The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of 96 seconds is shown in the figure (not drawn to scale).

At time = t = 0, the light has just turned red. The effective green time is 36 seconds, during which vehicles discharge at the saturation flow rate, s (in vph). Vehicles arrive at a uniform rate, v (in vph), throughout the cycle. Which one of the following statements is TRUE?

v = 600 vph, and for this cycle, the average stopped delay per vehicle = 30 seconds
s = 1800 vph, and for this cycle, the average stopped delay per vehicle = 28.125 seconds
v = 600 vph, and for this cycle, the average stopped delay per vehicle = 45 seconds
s = 1200 vph, and for this cycle, the average stopped delay per vehicle = 28.125 seconds

Validate

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