Highway Engineering MCQs

For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________?

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A. increase in both speed and radius of curve
B. decrease in both speed and radius of curve
C. increase in speed and with decrease in radius of curve
D. decrease in speed and with increase in radius of curve
✅ The correct answer is option D.

The entrance and exit curves of a rotary have_______________?

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A. equal radii and equal widths of pavement
B. equal radii but pavement width is more at entrance than at exit curve
C. equal pavement widths but radius is more at entrance curve than at exit curve
D. different radii and different widths of pavement
✅ The correct answer is option D.

Select the correct statement_________________?

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A. Psychological extra widening depends on the number of traffic lanes.
B. Mechanical extra widening depends on the speed of vehicle.
C. Psychological extra widening depends on the length of wheel base.
D. Psychological extra widening depends on the speed of vehicle
✅ The correct answer is option D.

Select the correct statement________________?

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A. Quantity of binder required for tack coat is less than that required for prime coat
B. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction
C. Seal coat is the final coat over certain previous bituminous pavements
D. A bitumen primer is a high viscosity cutback
✅ The correct answer is option D.