GATE Civil Engineering (CE) 2019 Shift 1 Solved Paper

Question : 38 of 65

Marks: +1, -0

Average free flow speed and the jam density observed on a road stretch are

60 {km} {/} {h}

and 120 vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on the road stretch (in vehicles/h) is

Solution:

{V}_{ {f}}=60 {km} {/} {h}

{kJ}=120 {Veh} {/} {km}

∴ \;\; q_{n=} \;\; =\;{V k_{1}}/{4}

\;\; =\;{60 × 120}/{4}=1800

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