The absolute minimum sight distance required for stopping a vehicle moving with

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Question
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.

Correct Answer

120 m

Highway Engineering problems

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1. The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is
Options
A. same for National Highways
B. different for National Highways
C. same for State Highways
D. same for Major District roads.

2. The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of
Options
A. rolling terrain
B. mountainous terrain
C. steep terrain
D. none of these.

3. Selection of the routes, of highways depends upon
Options
A. feasibility of attaining ruling gradient
B. avoidance of cutting hard rocks
C. minimum number of bridges
D. minimum possible length of alignment
E. all the above.

5. If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is
Options
A. b = 0.6 + d² - 0.675 d
B. b = 1.6 + d² + 0.675 d
C. b = 1.6 + d² - 3.675 d
D. b = 1.6 + d² - 0.675 d

6. 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.

8. 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.

9. 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.

10. 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.
B.
C.
D.

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