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BARC CE 2018 "Transportation & Surveying" Nuclear Quiz 1
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Question 1
If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi-mum capacity of a traffic lane at a speed of 10 m/sec is
Question 2
A transition curve is required for a circular curve of 200 m radius, the gauge being 1.5 m and maximum superelevation restricted to 15 cm. The transition is to be designed for a velocity such that no lateral pressure is imposed on the rails and the rate of gain of radial acceleration is 30 cm/s2. The required length of transition curve will work out to be
Question 3
The relation between speed u (in km/h) and density k (number of vehicles/km) for a traffic stream on a road is u = 70 – 0.7k. The capacity on this road is _________ vph (vehicles/hour).
Question 4
A 30m metric chain is found to be 0.1 m too short throughout the measurement. If the distance measured is recorded as 300m, then the actual distance measured is:
Question 5
A road is having a horizontal curve of 400m radius on which a super-elevation of 0.07 is provided. The coefficient of lateral friction mobilized on the curve when a vehicle is travelling at 100 kmph is
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Jul 7ESE & GATE CE
