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GATE2020 Transportation Rapid Quiz 1

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Question 1

If the load carried by a CBR specimen at 2.5 mm penetration is 52.5 kg/cm², then the CBR value of soil is

Question 2

For a broad gauge railway track on a horizontal curve of radius R (in m), the equilibrium cant e required for a train moving at a speed of V (in km per hour) is

Question 3

The equivalent radius resisting section of 20 cm slab, if the ratio of radius of wheel load distribution to thickness of slab is 0.73 is

Question 4

For a highway with a design speed of 75 km/hr, the intermediate sight distance will be ____m.
[Assume longitudinal friction, f = 0.36, Total reaction time, t_R = 2.5 sec]]

Question 5

An ascending gradient of 1 in 50 meets a descending gradient of 1 in 40. The length of vertical summit curve for a stopping sight distance of 200 m, will be ______m.
[Assume height of eyelevel of driver and object above roadway surface are 1.2 m and 0.18 m respectively]

Question 6

A pre-timed four phase signal has critical lane flow rate for the first three phases as 200, 187 and 210 veh/hr with saturation flow rate of 1800 veh/hr/lane for all phases. The lost time is given as 4 seconds for each phase. If the cycle length is 60 seconds, the effective green time (in seconds) of the fourth phase is _________

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ESE & GATE CE Highway Engineering

Dec 22ESE & GATE CE