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  • Question
  • If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, then, for a minimum sight distance S, the length of the vertical curve should be greater than


  • Options
  • A. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, t
  • B. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, t
  • C. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, t
  • D. If h1 is the height of the driver's eye and h2 is the height of an obstruction above road surface, t

  • Correct Answer
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  • Highway Engineering problems


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    • 1. The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known

    • Options
    • A. ruling gradient
    • B. maximum gradient
    • C. exceptional gradient
    • D. floating gradient
    • E. all the above.
    • Discuss
    • 2. Pick up the correct statement from the following:

    • Options
    • A. Seasonal cycle of traffic volume during April and November, is usually near the annual average
    • B. Mid-winter seasonal cycle of traffic is least
    • C. Mid-summer seasonal cycle of traffic is highest
    • D. All the above.
    • Discuss
    • 3. Driving vehicles on wet surfaced roads, is dangerous because it may

    • Options
    • A. skid
    • B. slip
    • C. overturn
    • D. all the above.
    • Discuss
    • 4. Pick up the correct statement from the following:

    • Options
    • A. Long tangent sections exceeding 3 km in length should be avoided
    • B. Curve length should be at least 150 metres for a deflection angle of 5 degress
    • C. For every degree decrease in the deflection angle, 30 metre length of curve to be increased
    • D. If the deflection angle is less than 1°, no curve is designed
    • E. All the above.
    • Discuss
    • 5. The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 km ph, is

    • Options
    • A. 120 m
    • B. 200 m
    • C. 640 m
    • D. none of these.
    • Discuss
    • 6. If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
    • Discuss
    • 7. Length of vehicles does not affect

    • Options
    • A. extra widening
    • B. minimum radius of turning
    • C. passing sight distance
    • D. width of shoulders
    • E. none of these.
    • Discuss
    • 8. To prevent movement of moisture from subgrade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is

    • Options
    • A. 15 cm
    • B. 20 cm
    • C. 30 cm
    • D. 45 cm
    • E. none of these.
    • Discuss
    • 9. Any gradient on a road is said to be an exceptional gradient, if it is

    • Options
    • A. more than ruling gradient
    • B. less than average gradient
    • C. more than floating gradient
    • D. less than minimum gradient or more than maximum gradient.
    • Discuss
    • 10. Cement grouted pavement is classified as

    • Options
    • A. rigid pavement
    • B. semi-rigid pavement
    • C. flexible pavement
    • D. none of these.
    • Discuss


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