Civil Engineering Test on Highway Engineering – Set 21

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Q1. For the movement of vehicles at an intersection of two roads, without any interference, the type of grade separator generally preferred to, is

(A) Delta
(B) Trumpet
(C) Diamond interchange
(D) Clover leaf

Answer: (D) Clover leaf

Q2. In cement concrete pavements, tensile stress is due to:

(A) Bending or deflection under wheel loads
(B) Difference in temperature of the top and bottom of pavement
(C) Contraction of slab during falling temperature
(D) All the above

Answer: (D) All the above

Q3. The convexity provided to the carriageway between the crown and edge of the pavement, is known as

(A) Super-elevation
(B) Camber
(C) Height of the pavement
(D) None of these

Answer:(B) Camber

Q4. Minimum radius of curvature of National Highways or State highways in hill region free from snow, is kept

(A) 60 m
(B) 50 m
(C) 33 m
(D) 30 m

Answer: (B) 50 m

Q5. If L is the length of vehicles in meters, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour, the maximum number N of vehicles/hour, is

(A) N = 1000 V / (L + C)
(B) N = (L + C) / 1000 V
(C) N = 1000 L / (C + V)
(D) N = 1000 C / (L + V)

Answer: (A) N = 1000 V / (L + C)

Q6. If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is

(A) NS/4
(B) NS2/4
(C) N2S/4
(D) (NS)2/4

Answer: (B) NS2/4

Q7. Width of vehicles affects the width of

(A) Lanes
(B) Shoulders
(C) Parking spaces
(D) All the above

Answer: (D) All the above

Q8. Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 kmph and for a vehicle with wheel base 6.0 m is

(A) 0.225 m
(B) 0.589 m
(C) 1.250 m
(D) None of these

Answer: (B) 0.589 m

Q9. If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as

(A) Gradient
(B) Grade
(C) Positive grade
(D) Negative grade

Answer: (A) Gradient

Q10. The width formation of a road means the width of

(A) Carriageway
(B) Pavement and shoulders
(C) Embankment at ground level
(D) Embankment at the top level

Answer: (D) Embankment at the top level

Q11. When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as

(A) Valley curve
(B) Sag curve
(C) Summit curve
(D) All the above

Answer: (C) Summit curve

Q12. Cement grouted pavement is classified as

(A) Rigid pavement
(B) Semi-rigid pavement
(C) Flexible pavement
(D) None of these

Answer: (B) Semi-rigid pavement

Q13. The maximum safe speed on roads, depends on the

(A) Type of road surface
(B) Type of curves
(C) Sight distance
(D) All the above

Answer: (D) All the above

Q14. Customers prefer parking of their vehicles at

(A) 90° to aisles
(B) 85° to aisles
(C) 80° to aisles
(D) 75° to aisles

Answer: (D) 75° to aisles

Q15. Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement

(A) 10 cm high
(B) 25 cm high
(C) 50 cm high
(D) 100 cm high

Answer: (A) 10 cm high

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