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MCQOPTIONS
This section includes 79 Mcqs, each offering curated multiple-choice questions to sharpen your Highway Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
As per the Indian Roads Congress (IRC), the passenger car unit values (PCU) value for motorcycles and scooters is: |
| A. | 4 |
| B. | 0.5 |
| C. | 0.75 |
| D. | 1 |
| E. | 1.5 |
| Answer» C. 0.75 | |
| 2. |
A circular curve of radius R connects two straights with a deflection angle of 60°. The tangent length is |
| A. | 0.577 R |
| B. | 1.155 R |
| C. | 1.732 R |
| D. | 3.464 R |
| Answer» B. 1.155 R | |
| 3. |
Determine the safe stopping speed distance for a design speed of 14 m/s for two-way traffic on a two-lane road assuming the coefficient of friction as 0.28 and reaction time as 2 seconds. |
| A. | 63.67 m |
| B. | 61.47 m |
| C. | 53.27 m |
| D. | 73.57 m |
| Answer» B. 61.47 m | |
| 4. |
Compared to a level surface, the stopping sight distance on a descending gradient is: |
| A. | Less |
| B. | More |
| C. | Same |
| D. | Depends on the speed |
| Answer» C. Same | |
| 5. |
Perpendicular offset from the junction of a transition curve and circular curve to the tangent is equal to |
| A. | Shift |
| B. | 0.5 × Shift |
| C. | 2 × Shift |
| D. | 4 × Shift |
| Answer» E. | |
| 6. |
If a vehicle travelling at 40 kmph was stopped within 1.8 sec after the application of the brakes, then the average skid resistance coefficient is |
| A. | 0.63 |
| B. | 0.73 |
| C. | 0.83 |
| D. | 0.93 |
| Answer» B. 0.73 | |
| 7. |
If the coefficient of friction is assumed zero, then the equilibrium superelevation required to counteract the centrifugal force fully will be given by: |
| A. | \(\frac {v^2}{gR}\) |
| B. | \(\frac {v}{R}\) |
| C. | \(\frac {v}{gR}\) |
| D. | \(\frac {v^2}{R}\) |
| Answer» B. \(\frac {v}{R}\) | |
| 8. |
Match the design speed recommended for various roads by IRC 86 : 1983List-1 List-2 A. Collector roads 1. 30 kmph B. Local roads 2. 80 kmph C. Arterial roads 3. 60 kmph D. Sub-arterial roads 4. 50 kmph |
| A. | A – 2, B – 1, C – 4, D - 3 |
| B. | A – 3, B – 1, C – 2, D - 4 |
| C. | A – 4, B – 1, C – 2, D - 3 |
| D. | A – 2, B – 4, C – 3, D - 1 |
| Answer» D. A – 2, B – 4, C – 3, D - 1 | |
| 9. |
For IRC class A and B loading, the impact factor, for R. C. C. bridges having spans more than 45 meters, is taken as |
| A. | 0.078 |
| B. | 0.088 |
| C. | 0.098 |
| D. | 0.154 |
| Answer» C. 0.098 | |
| 10. |
Overturning of a vehicle on a curve can be avoided by using: |
| A. | Transition curve |
| B. | Vertical curve |
| C. | Reverse curve |
| D. | Compound curve. |
| Answer» B. Vertical curve | |
| 11. |
In case of a vertical parabolic curves, the rate of change of gradient is |
| A. | always negative |
| B. | always positive |
| C. | zero |
| D. | constant |
| Answer» E. | |
| 12. |
As per IRC recommendations, the maximum limit of super elevation for mixed traffic in hill roads not bound by snow is |
| A. | 1 in 15 |
| B. | 1 in 12.5 |
| C. | 1 in 10 |
| D. | Equal to camber |
| Answer» D. Equal to camber | |
| 13. |
As per IRC (Indian Road Congress), the maximum possible width of a vehicle will be |
| A. | 2.44 m |
| B. | 3.44 m |
| C. | 1.88 m |
| D. | 4.0 m |
| Answer» B. 3.44 m | |
| 14. |
According to the Indian Roads Congress (IRC) Standards, the length of the horizontal transition curve for a plain and rolling terrain is given by the expression: |
| A. | \(L_s = 2.7 \frac{V^2}{R}\) |
| B. | \(L_s = 3.7 \frac{V^4}{R}\) |
| C. | \(L_s = 5.7 \frac{V^2}{R}\) |
| D. | \(L_s = 7.7 \frac{V^3}{R}\) |
| E. | \(L_s = 8.2 \frac{V^4}{R}\) |
| Answer» B. \(L_s = 3.7 \frac{V^4}{R}\) | |
| 15. |
Froude's transition curve is |
| A. | Cubic spiral |
| B. | Cubic parabola |
| C. | Bernoulli's leminscate |
| D. | Ellipse |
| Answer» C. Bernoulli's leminscate | |
| 16. |
A highway designed for 80 km/h speed has a horizontal curve section with radius 250 m. If the design lateral friction is assumed to develop fully, the required super elevation is |
| A. | 0.05 |
| B. | 0.02 |
| C. | 0.07 |
| D. | 0.09 |
| Answer» B. 0.02 | |
| 17. |
If radius of horizontal curve is 80 m, design speed is 40 kmph and design coefficient of lateral friction is 0.15, then rate of superelevation of full lateral friction will be |
| A. | 0.003 |
| B. | 0.0048 |
| C. | 0.006 |
| D. | 0.0072 |
| Answer» E. | |
| 18. |
A vertical summit curve is formed at the intersections of two gradients, + 5% and - 5%. The length of the summit curve needed to provide a stopping sight distance of 100 m will be |
| A. | 227 m |
| B. | 0 m |
| C. | 327 m |
| D. | 197 m |
| Answer» B. 0 m | |
| 19. |
For mixed traffic conditions, rate of superelevation for horizontal highway curve of radius 500 m and a speed of 100 kmph is |
| A. | 0.22 |
| B. | 0.089 |
| C. | 0.057 |
| D. | 0.0108 |
| Answer» C. 0.057 | |
| 20. |
According to IRC the maximum super elevation in rolling terrain in plains is limited to |
| A. | 4% |
| B. | 7% |
| C. | 10% |
| D. | 5% |
| Answer» C. 10% | |
| 21. |
For a given road, safe stopping sight distance is 80 m and passing sight distance is 300 m. What is the intermediate sight distance? |
| A. | 220 m |
| B. | 190 m |
| C. | 160 m |
| D. | 150 m |
| Answer» D. 150 m | |
| 22. |
In an ideal transition curve, the radius of curvature is |
| A. | Constant |
| B. | At any point is directly proportional to its distance from the point of commencement |
| C. | Inversely proportional to the length of curve |
| D. | Directly proportional to the radius of the main curve. |
| Answer» D. Directly proportional to the radius of the main curve. | |
| 23. |
For the purpose of measuring the stopping sight distance, IRC had suggested the height of eye level of driver and the height of the object the road surface as |
| A. | 1.5 m and 0.15 m |
| B. | 1.2 m and 0.12 m |
| C. | 1.2 m and 0.15 m |
| D. | 1.5 m and 0.12 m |
| Answer» D. 1.5 m and 0.12 m | |
| 24. |
Consider the following data:Design speed = 96 kmphSpeed of overtaken vehicle = 80 kmphReaction time for overtaking = 2 secAcceleration = 2.5 kmph/secThe safe overtaking sight distance on a two-way traffic road will be nearly |
| A. | 646 m |
| B. | 556 m |
| C. | 466 m |
| D. | 376 m |
| Answer» B. 556 m | |
| 25. |
A horizontal curve on a road provides |
| A. | Change in the direction |
| B. | Change in the gradient of road |
| C. | Both 1 and 2 |
| D. | None of the above |
| Answer» B. Change in the gradient of road | |
| 26. |
As per IRC the maximum width of a vehicle should be _________. |
| A. | 3.8 m |
| B. | 2 m |
| C. | 1.58 m |
| D. | 2.44 m |
| Answer» E. | |
| 27. |
An ideal transition curve is a: |
| A. | Cubic parabola |
| B. | Cubic spiral |
| C. | Parabola |
| D. | Clothoid |
| Answer» E. | |
| 28. |
If super-elevation is not provided on a horizontal curve of a highway, then on which portion of the road, pot holes likely to develop? |
| A. | outer edge of road |
| B. | inner edge of road |
| C. | center of road |
| D. | shoulder of road |
| Answer» B. inner edge of road | |
| 29. |
In construction drawings, Ct is commonly referred as: |
| A. | Compression tie |
| B. | Continuous tie |
| C. | Concrete tie |
| D. | Column tie |
| Answer» D. Column tie | |
| 30. |
All the specifications for highway planning and design are given by: |
| A. | HRB |
| B. | IRC |
| C. | CRRI |
| D. | MVA |
| Answer» C. CRRI | |
| 31. |
A descending gradient of 4 % meets an ascending grade of 1 in 40 where a valley curve of length 200 must to be formed. What will be the distance of the lowest point on the valley curve from its first tangent point? |
| A. | 100 m |
| B. | 111 m |
| C. | 125 m |
| D. | 118 m |
| Answer» C. 125 m | |
| 32. |
A cross-over occur between two Metre Gauge parallel tracks of same crossing number 1 in 12 with straight inter-mediate portion between the reverse curves and the distance between the centres of tracks is 3.5 m. If the value of G is 1 m, the intermediate straight distance will be nearly |
| A. | 12 m |
| B. | 15 m |
| C. | 18 m |
| D. | 21 m |
| Answer» D. 21 m | |
| 33. |
Full amount of super-elevation on a horizontal curve is provided at the |
| A. | Beginning of the transition curve |
| B. | Centre of the circular curve |
| C. | End of the transition curve |
| D. | Centre of the transition curve |
| Answer» D. Centre of the transition curve | |
| 34. |
According to IRC recommendations, absolute minimum radius of curve for safe operation for a design speed of 100 kmph is |
| A. | 100 m |
| B. | 200 m |
| C. | 300 m |
| D. | 400 m |
| Answer» E. | |
| 35. |
A gradient along which the vehicle does not require any tractive effort to maintain a specific speed is known as: |
| A. | Ruling gradient |
| B. | Pushing gradient |
| C. | Minimum gradient |
| D. | Floating gradient |
| Answer» E. | |
| 36. |
A vehicle has wheel base of 5.5 m. What is the off tracking negotiation of a curved path with a mean radius of 31.5 m?(take width of pavement as 3.5 m) |
| A. | 0.48 m |
| B. | 0.96 m |
| C. | 0.17 m |
| D. | 0.087 m |
| Answer» B. 0.96 m | |
| 37. |
Desirable sight distance is equal to |
| A. | stopping sight distance |
| B. | twice the stopping sight distance |
| C. | thrice the stopping sight distance |
| D. | None of the above |
| Answer» C. thrice the stopping sight distance | |
| 38. |
On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true? |
| A. | e > f |
| B. | e < f |
| C. | e < 2f |
| D. | None of these is correct |
| Answer» B. e < f | |
| 39. |
As per the Indian Roads Congress (IRC), intermediate sight distance is:. |
| A. | thrice the headlight sight distance |
| B. | twice the stopping sight distance |
| C. | twice the headlight sight distance |
| D. | equal to headlight sight distance |
| E. | half the headlight sight distance |
| Answer» C. twice the headlight sight distance | |
| 40. |
Extra widening of pavements provided because of off tracking is known as: |
| A. | Mechanical widening |
| B. | Psychological widening |
| C. | Frictional widening |
| D. | Physical widening |
| Answer» B. Psychological widening | |
| 41. |
A two lane, one-way road with radius of 50 m is predominantly carrying lorries with wheelbase of 5 m. The speed of lorries is restricted to be between 60 kmph and 80 kmph. The mechanical widening and psychological widening required at 60 kmph are designated as Wme,60 and Wps,60, respectively. The mechanical widening and psychological widening required at 80 kmph are designated as Wme,80 and Wps,80, respectively. The correct values of Wme,60, Wps,60, Wme,80, Wps,80, respectively are |
| A. | 0.89 m, 0.50 m, 1.19 m, and 0.50 m |
| B. | 0.50 m, 0.89 m, 0.50 m, and 1.19 m |
| C. | 0.50 m, 1.19 m, 0.50 m, and 0.89 m |
| D. | 1.19 m, 0.50 m, 0.89 m, and 0.50 m |
| Answer» C. 0.50 m, 1.19 m, 0.50 m, and 0.89 m | |
| 42. |
Geometric design of highway includes (i) Horizontal alignment, (ii) vertical alignment, (iii) arbouri-culture, (iv) Cross section.Choose the right combination. |
| A. | (i), (ii) and (iii) |
| B. | (i), (ii) and (iv) |
| C. | (ii), (iii) and (iv) |
| D. | (i), (ii), (iii) and (iv) |
| Answer» C. (ii), (iii) and (iv) | |
| 43. |
If L is the length of a moving vehicle and R is the radius of curvature the extra mechanical widening to be provided on horizontal curves for single lane is |
| A. | \(\frac{{\rm{L}}}{{2{\rm{R}}}}\) |
| B. | \(\frac{{{{\rm{L}}^2}}}{{2{\rm{R}}}}\) |
| C. | \(\frac{{{{\rm{L}}^3}}}{{2{\rm{R}}}}\) |
| D. | \(\frac{{2{\rm{L}}}}{{{{\rm{R}}^2}}}\) |
| Answer» C. \(\frac{{{{\rm{L}}^3}}}{{2{\rm{R}}}}\) | |
| 44. |
Dowel bars in concrete pavement are placed |
| A. | longitudinal direction of traffic |
| B. | perpendicular to direction of traffic |
| C. | along 45° to the direction of traffic |
| D. | can be placed along any direction |
| Answer» B. perpendicular to direction of traffic | |
| 45. |
For a hill road with the ruling gradient of 6%, what will be the compensated gradient at a curve of radius 60 m? |
| A. | 5.5% |
| B. | 4.5% |
| C. | 4.75% |
| D. | 5% |
| Answer» D. 5% | |
| 46. |
If the radial acceleration of transition curve is 30 cm/sec3, radius is 200 m and the velocity is 14 m/sec. The length of the transition curve is_____. |
| A. | 46.0 m |
| B. | 46.5 m |
| C. | 45.0 m |
| D. | 45.5 m |
| Answer» B. 46.5 m | |
| 47. |
A road is being designed for a speed of 110 km/hr on a horizontal curve with a super elevation of 8%. If the coefficient of side friction is 0.10, the minimum radius of the curve (in m) required for safe vehicular movement is |
| A. | 115 |
| B. | 152.3 |
| C. | 264.3 |
| D. | 528.5 |
| Answer» E. | |
| 48. |
An ascending gradient of 1 in 100 meets a descending gradient of 1 in 50. The length of summit curve required to provide over turning sight distance of 500 m will be: |
| A. | 938.25 m |
| B. | 781.25 m |
| C. | 470.25 m |
| D. | 170.25 m |
| Answer» C. 470.25 m | |
| 49. |
In case of pavement design:Match the List – 1 (Type of carriageway) with List-II (Lane distribution factor):List-IList-IIa) Undivided roads with two lane carriagewayi) 0.75b) Undivided roads with singe lane carriagewayii) 1.0c) Divided carriageway with four lanes eachiii) 0.45d) Undivided roads with four lane carriagewayiv) 0.40 |
| A. | a – ii, b – I, c – iv, d - iii |
| B. | a – i, b – ii, c – iii, d - iv |
| C. | a – iii, b – iv, c – i, d - ii |
| D. | a – iv, b – iii, c – ii, d - i |
| Answer» C. a – iii, b – iv, c – i, d - ii | |
| 50. |
Consider the following factors:1. Reaction time (t)2. Speed (V)3. Coefficient of longitudinal friction (f)4. Gradient (n)Which of these factors are taken into account for computing braking distance? |
| A. | 1 and 3 |
| B. | 1, 2 and 4 |
| C. | 2, 3 and 4 |
| D. | 2 and 3 |
| Answer» D. 2 and 3 | |