Transportation-infrastructure Questions Set 8:
Which type of transportation is the most flexible?
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Which of the following is not a component used to fasten railway tracks?
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A transition curve has length 50cm & curvature 0.1 cm-1 . Shift for transition curve is-
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If the camber of a road is 1/50, what should be the gradient for smooth traffic flow and drainage?
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Calculate the psychological widening for a road having a radius of 100 m and a design speed of 60 km/h.
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If aggregate size of 50-40 mm is to be tested for finding the portion of elongated aggregates using a length gauge, the slot length of the gauge should be:
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In the CBR (California Bearing Ratio) test, the value of CBR is calculated at which penetration level?
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The design speed of a two-lane two-way road is 60 km/h and the longitudinal coefficient of friction is 0.36. The reaction time of a driver is 2.5 seconds. Consider acceleration due to gravity as 9.8 m/s2. The intermediate sight distance (in m, round off to the nearest integer) required for the load is___.
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A motorist travelling at 100 km/h on a highway needs to take the next exit, which has a speed limit of 50 km/h. The section of the roadway before the ramp entry has a downgrade of 3% and coefficient of friction (f) is 0.35. In order to enter the ramp at the maximum allowable speed limit the braking distance (up tp 2 decimal places, expressed in m) from the exit ramp is______.
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A broad gauge railway line passes through a horizontal curved section (radius = 875m) of length 200m. The allowable speed on this portion is 100 km/h. For calculating the cant, consider the gauge as centre-to-centre distance between the rail heads, equal to 1750 mm. The maximum permissible cant (in mm, round off to 1 decimal place) with respect to the centre-to-centre distance between the rail heads is_______.
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