# Highway Engineering Objective Questions and Answers pdf – Set 07

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## Q1. The width of different roads as recommended in Nagpur plan by the Indian Road Conference for hilly region, is

(A) Same for National Highways
(B) Different for National Highways
(C) Same for State Highways
(D) Same for Major District roads

Answer: (B) Different for National Highways

## Q2. Intermediate catch water drains are provided only, if

(A) Catchment area of the watershed above road is large
(B) Intensity of rainfall is heavy
(C) Single catch water drain is inadequate
(D) All the above

Answer: (D) All the above

## Q3. If the radii of a compound curve and a reverse curve are respectively the same, the length of common tangent

(A) Of compound curve will be more
(B) Of reverse curve will be more
(C) Of both curves will be equal
(D) None of these

Answer: (C) Of both curves will be equal

## Q4. To prevent a head-on-collision of vehicles traveling in opposite directions along four-lane roads

(A) Markings on the road are provided
(B) Physical dividers are provided
(C) Area dividers are provided
(D) Medians of wide area are provided

Answer: (D) Medians of wide area are provided

## Q5. In retaining and breast walls, weep holes are provided at

(A) 50 cm vertical height and 50 cm centre to centre horizontally
(B) 100 cm vertical height and 100 cm centre to centre horizontally
(C) 100 cm vertical height and 120 cm centre to centre horizontally
(D) 120 cm vertical height and 100 cm centre to centre horizontally

Answer: (C) 100 cm vertical height and 120 cm centre to centre horizontally

## Q6. The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient

(A) 1 in 10
(B) 1 in 15
(C) 1 in 20
(D) 1 in 25

Answer: (C) 1 in 20

## Q7. The maximum thickness of expansion joint in rigid pavements is

(A) 0
(B) 25 mm
(C) 50 mm
(D) 100 mm

Answer: (B) 25 mm

## Q8. In highway construction on super-elevated curves, the rolling shall proceed from

(A) Sides towards the centre
(B) Centre towards the sides
(C) Lower edge towards the upper edge
(D) Upper edge towards the lower edge

Answer: (C) Lower edge towards the upper edge

## Q9. Bottom most layer of pavement is known as

(A) Wearing course
(B) Base course
(C) Sub-base course

## Q10. Length of vehicles does not affect

(A) Extra widening
(B) Minimum radius of turning
(C) Passing sight distance
(D) Width of shoulders

Answer: (D) Width of shoulders

## Q11. An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of length L to be introduced, is given by

(A) y = g [(g₁ – g₂)/100 L] x²
(B) y = [(g₁ + g₂)/200 L] x²
(C) y = [(g₁ – g₂)/400 L] x²
(D) y = [(g₁ + g₂)/800 L] x²

Answer: (B) y = [(g₁ + g₂)/200 L] x²

## Q12. The number of vehicles moving in a specified direction on a roadway that pass a given point during specified unit of time, is called

(A) Traffic volume
(B) Traffic density
(C) Basic capacity
(D) Traffic capacity

Answer: (A) Traffic volume

## Q13. The type of curves generally provided on highways, is

(A) Critical curve
(B) Transition curve
(C) Vertical curve
(D) All the above

Answer: (D) All the above

## Q14. Pick up the correct statement from the following:

(A) Borrow pits are located outside the right of way
(B) Borrow pits may be located on either side of the right of way
(C) Spoil bank is located on one side of the right of way
(D) All the above

Answer: (D) All the above

## Q15. Ruling gradient on hill roads 300 m above M.S.L. is kept

(A) 4 %
(B) 5 %
(C) 7 %
(D) 8 %

Answer: (B) 5 %

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