Highway Engineering MCQs Part 2. Part 2 of Highway Engineering Multiple Choice Questions and Answers related to Civil Engineering. For Part 1 see Highway Engineering MCQs Part 1

**Highway Engineering MCQs Part 2**

**Select the correct statement ??**

**a. Psychological extra widening depends on the speed of vehicle**

**b.** Psychological extra widening depends on the length of wheelbase

**c.** Mechanical extra widening depends on the speed of vehicle

**d.** Psychological extra widening depends on the number of traffic lanes

**For the design of super elevation for mixed traffic conditions, the speed is reduced by ??**

**a.** 75%

**b. 25%**

**c.** 20%

**d.** 15%

**For design, that length of transition curve should be taken which is ??**

**a.** smaller of (A) and (B)

**b. higher of (A) and (B)**

**c.** based on the rate of change of superelevation

**d.** based on the allowable rate of change of centrifugal acceleration

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

**a. decrease in speed and with an increase in radius of curve**

**b.** increase in speed and with a decrease in radius of curve

**c.** decrease in both speed and radius of curve

**d.** increase in both speed and radius of curve

**If a ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be ??**

**a.** 6%

**b.** 5 %

**c. 4%**

**d.** 3 %

**MCQs Part 2**

**As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is ??**

**a.** equal to camber

**b.** 1 in 10

**c.** 1 in 12.5

**d. 1 in 15**

**Which of the following shapes is preferred in a valley curve ??**

**a.** lemniscate

**b.** spiral

**c. cubic parabola**

**d.** simple parabola

**On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be ??**

**a.** equal to the pressure on inner wheels

**b.** less than the pressure on inner wheels

**c. more than the pressure on inner wheels**

**d.** None

**The percentage compensation in gradient for a ruling gradient of 4% and horizontal curve of radius 760 m is ??**

**a.** 10%

**b.** 1 %

**c.** 0.1 %

**d. no compensation**

**The attainment of superelevation by rotation of pavement about the inner edge of the pavement ??**

**a.** does not change the vertical alignment of road

**b. avoids the drainage problem in flat terrain**

**c.** results in balancing the earthwork

**d.** is preferable in steep terrain

**Highway Engineering MCQs Part 2**

**The camber of road should be approximately equal to ??**

**a. half the longitudinal gradient**

**b.** three times the longitudinal gradient

**c.** two times the longitudinal gradient

**d.** longitudinal gradient

**To calculate the minimum value of the ruling radius of horizontal curves in plains, the design speed is given by ??**

**a.** 20 kmph

**b. 16kmph**

**c.** 12kmph

**d.** 8 kmph

**In the case of summit curves, the deviation angle will be maximum when ??**

**a.** an ascending gradient meets with a level surface

**b.** a descending gradient meets with another descending gradient

**c. an ascending gradient meets with a descending gradient**

**d.** an ascending gradient meets with another ascending gradient

**In the case of hill roads, the extra widening is generally provided ??**

**a.** one-fourth on the inner side and three-fourth on the outer side of the curve

**b.** fully on the outer side of the curve

**c. fully on the inner side of the curve**

**d.** equally on the inner and outer sides of the curve

**Enoscope is used to find ??**

**a.** time-mean speed

**b.** space-mean speed

**c. spot speed**

**d.** average speed

**Highway Engineering MCQs Part 2**

**The maximum design gradient for the vertical profile of a road is ??**

**a.** minimum gradient

**b.** exceptional gradient

**c.** limiting gradient

**d. ruling gradient**

**If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of the summit curve for a stopping sight distance of 80 m will be ??**

**a. 60m**

**b.** 80m

**c.** 64m

**d.** zero

**The transition curve used in the horizontal alignment of highways as per IRC recommendations is ??**

**a.** cubic parabola

**b.** lemniscate

**c. spiral**

**d.** any of the above

**The value of ruling gradient in plains as per IRC recommendation is ??**

**a. 1 in 30**

**b.** 1 in 20

**c.** 1 m 15

**d.** 1 in 12

**The absolute minimum radius of the curve for safe operation for a speed of 110 kmph is ??**

**a.** 577 m

**b. 440 m**

**c.** 220 m

**d.** 110 m