Highway Engineering - Study Mode

[#1] For a constant value of coefficient of lateral friction, the value of required super-elevation increases with
Correct Answer

(D) decrease in speed and with increase in radius of curve

[#2] On a right angled road intersection with two way traffic, the total number of conflict points is
Correct Answer

(D) 24

[#3] Select the correct statement.
Correct Answer

(D) Psychological extra widening depends on the speed of vehicle.
(F) Traffic capacity should always be more than traffic volume.
(K) Minimum and maximum values of group index can be 0 and 20 respectively
(O) Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.
(T) A bitumen primer is a high viscosity cutback.

[#4] The background colour of the informatory sign board is
Correct Answer

(B) yellow

Explanation

Solution: In highway engineering, various traffic signs are used to convey important information to drivers. The background color of informatory sign boards is typically white (Option D). White is commonly used for informational signs as it provides good visibility, especially during the day. Option A: Red is often used for regulatory signs to indicate mandatory instructions or prohibitions. Option B: Yellow is commonly used for warning signs to indicate potential hazards or cautionary information. Option C: Green is typically used for guide signs that provide directional or distance information. So, in the context of informatory sign boards, the correct background color is Option D: white .

[#5] The recommended grade of tar for grouting purpose is
Correct Answer

(D) RT-5