MCQOPTIONS
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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.
| 51. |
Calculate the lag distance for design speed of 47 km/h for two-way traffic on a single-lane road (assume coefficient of friction as 0.38 and reaction time of driver as 2.5 seconds) |
| A. | 32.64 m |
| B. | 111.04 m |
| C. | 55.52 m |
| D. | 65.28 m |
| Answer» E. | |
| 52. |
For water bound macadam roads in heavy rainfall region, generally recommended value of camber is ___ |
| A. | 1 in 53 |
| B. | 1 in 33 |
| C. | 1 in 48 |
| D. | 1 in 60 |
| Answer» C. 1 in 48 | |
| 53. |
Along the horizontal curves, if centrifugal force exceeds lateral friction, vehicles may: |
| A. | Skid |
| B. | Slip |
| C. | Not be affected |
| D. | None of these |
| Answer» B. Slip | |
| 54. |
A super-elevation e is provided on a circular horizontal curve such that a vehicle can be stopped on the curve without sliding. Assuming a design speed v and maximum coefficient of side friction fmax, which one of the following criteria should be satisfied? |
| A. | e ≤ fmax |
| B. | e > fmax |
| C. | no limit of e can be set |
| D. | \(e = \frac{{1 - {{\left( {{f_{max}}} \right)}^2}}}{{{f_{max}}}}\) |
| Answer» B. e > fmax | |
| 55. |
According to IRC recommendations, the centrifugal force corresponding to three-fourths of the velocity is balanced by |
| A. | side friction between the wheel tyres and road surface |
| B. | super elevation |
| C. | camber |
| D. | None of the above |
| Answer» C. camber | |
| 56. |
For stopping sight distance the eye level should be at: |
| A. | 1.6 m |
| B. | 0.75 m |
| C. | 1.2 m |
| D. | 1.8 m |
| Answer» D. 1.8 m | |
| 57. |
In an area of heavy rainfall, a State Highway of high-type bituminous surface with four lanes (14.0 m wide) is to be constructed. What will be the height of the crown of the road relative to the edges for a composite camber (i.e middle half as parabolic and the rest as straight lines)? |
| A. | 14 cm |
| B. | 21 cm |
| C. | 28 cm |
| D. | 7 cm |
| Answer» B. 21 cm | |
| 58. |
For a modern road, the subgrade shall be well consolidated and compacted with a camber of: |
| A. | 1 vertical in 20 horizontal |
| B. | 1 vertical in 30 horizontal |
| C. | 1 vertical in 50 horizontal |
| D. | 1 vertical in 75 horizontal |
| E. | 1 vertical in 10 horizontal |
| Answer» D. 1 vertical in 75 horizontal | |
| 59. |
A four-lane divided highway, with each carriageway being 7.0 m wide, is to be constructed in a zone of high rainfall. In this stretch, the highway has a longitudinal slope of 3% and is provided a camber of 2%. What is the hydraulic gradient on this highway in this stretch? |
| A. | 4.0% |
| B. | 3.6% |
| C. | 4.5% |
| D. | 3.0% |
| Answer» E. | |
| 60. |
In a particular case, the design gradient is 1 in 25. If a horizontal curve of 100 m radius is to be introduced on this gradient, the compensated gradient on this curve is _________. |
| A. | 0.75% |
| B. | 1.3% |
| C. | 2.7% |
| D. | 4% |
| Answer» E. | |
| 61. |
Consider two cars approaching from the opposite directions at 90 km/h and 60 km/h. If the reaction time is 2.5 s, coefficient of friction is 0.7 and brake efficiency is 50% in both the cases, the minimum sight distance required to avoid a head-on collision will be nearly |
| A. | 154 m |
| B. | 188 m |
| C. | 212 m |
| D. | 236 m |
| Answer» E. | |
| 62. |
On a level road stretch designed for design speed of 54 km/h, if the reaction time of the driver is 2.5 and the braking distance is 30 m, then the safe stopping sight distance is |
| A. | 61.5 m |
| B. | 21.6 m |
| C. | 51.6 m |
| D. | 67.5 m |
| E. | 12 m |
| Answer» E. 12 m | |
| 63. |
On national and state highway the speed limit sign are fixed some distance ahead from where the speed limit actually start. This distance should be:- |
| A. | 80 m |
| B. | 100 m |
| C. | 120 m |
| D. | 60 m |
| Answer» D. 60 m | |
| 64. |
IRC recommended % values of camber for different types of road surface can be arranged in descending order of following roads:a. Water bound macadam roadb. Thin bituminous surface roadc. Cement-concrete roadd. Earth road |
| A. | d, b, c, a |
| B. | c, a, b, d |
| C. | d, a, b, c |
| D. | c, b, a, d |
| Answer» D. c, b, a, d | |
| 65. |
If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the lenght of summit curve for a stopping sight distance of 80 m will be |
| A. | 0 |
| B. | 64 m |
| C. | 80 m |
| D. | 60 m |
| Answer» E. | |
| 66. |
Consider the following data for designing a taxiway for operating Boeing 707 – 320 airplane:Wheelbase = 17.70 mTread of main loading gear = 6.62 mTurning speed = 40 km/hCoefficient of friction between tyres and pavement surface = 0.13The turning radius of the taxiway will be |
| A. | 98.5 m |
| B. | 94.5 m |
| C. | 89.5 m |
| D. | 86.5 m |
| Answer» B. 94.5 m | |
| 67. |
A lateral shift in the transition curve is given by: |
| A. | L3/24R2 |
| B. | L2/240R |
| C. | L2/24R |
| D. | L2/2.4R |
| Answer» D. L2/2.4R | |
| 68. |
A barrel camber for highway consists of |
| A. | Two straight slopes with a parabolic crown in the centre |
| B. | A continuous curve either parabolic or elliptical |
| C. | Two straight slopes joining at the centre |
| D. | None of the above |
| Answer» C. Two straight slopes joining at the centre | |
| 69. |
If ‘R’ is the radius of curvature of a hill road, the maximum grade compensation (in percentage) is equal to: |
| A. | 65/R |
| B. | 75/R |
| C. | 85/R |
| D. | 95/R |
| Answer» C. 85/R | |
| 70. |
According to IRC recommendations, what shall be the rounded off value of overtaking sight distance, on a two-lane highway for the case in which design speed = 50 km/h, time component for overtaking maneuver and for opposing vehicle are 10 seconds and 7 seconds, respectively? |
| A. | 470 m |
| B. | 235 m |
| C. | 165 m |
| D. | 340 m |
| Answer» C. 165 m | |
| 71. |
If the maximum allowable speed of a vehicle is 20 m/s and can accelerate at 0.25 m/s2, then what must be the radius of the circular curve and length of transition curve such that ratio of centrifugal force on vehicle to its weight is 1 ∶ 4?(Take g = 10 m/s2) |
| A. | 250 m, 320 m |
| B. | 250 m, 160 m |
| C. | 160 m, 500 m |
| D. | 160 m, 200 m |
| Answer» E. | |
| 72. |
In the Hill roads, if several alternate alignments are surveyed which fulfill the geometric standards, then the preferred alignment is the one which has a resisting length as: |
| A. | Maximum |
| B. | Minimum |
| C. | Very near to average resisting length of all the alignments |
| D. | Zero |
| Answer» C. Very near to average resisting length of all the alignments | |
| 73. |
Name the equipment which is used to measure the pavement surface condition in terms of unevenness index. |
| A. | CBR apparatus |
| B. | None of the above |
| C. | Ring and ball apparatus |
| D. | Bump integrator |
| Answer» E. | |
| 74. |
If V is speed in km/hr and R is radius of the curve, the super-elevation ‘e’ is equal to |
| A. | \(\frac{{{V^2}}}{{125\;R}}\) |
| B. | \(\frac{{{V^2}}}{{225\;R}}\) |
| C. | \(\frac{{{V^2}}}{{325\;R}}\) |
| D. | \(\frac{{{V^2}}}{{25\;R}}\) |
| Answer» C. \(\frac{{{V^2}}}{{325\;R}}\) | |
| 75. |
A two-lane road with design speed 60 km / h has a horizontal curve of radius 400 m. What will be the super elevation required to be provided for the mixed traffic conditions at the curve as per IRC 38 - 1998? |
| A. | 8.7% |
| B. | 6.4% |
| C. | 4.0% |
| D. | 7% |
| Answer» D. 7% | |
| 76. |
Cross slope given to the pavement for safe drainage of water is: |
| A. | Camber |
| B. | Kerb |
| C. | Cant |
| D. | Shoulder |
| Answer» B. Kerb | |
| 77. |
Gradient on a highway is 1 in 20. Radius of the curve is 200 m. After grade compensation the grade to be provided should not be less than 4%. Calculate the grade compensation. |
| A. | 0.38% |
| B. | 1.15% |
| C. | 4.63% |
| D. | 5% |
| Answer» B. 1.15% | |
| 78. |
According to the Indian road congress the ruling slope of roads should not be more than:- |
| A. | 1 in 18 |
| B. | 1 in 15 |
| C. | 1 in 20 |
| D. | 1 in 30 |
| Answer» E. | |
| 79. |
If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meter is expressed as |
| A. | 3.8 NV1/2 |
| B. | 3.8 (NV3)1/2 |
| C. | 0.38 (NV3)1/2 |
| D. | 0.38 NV3/2 |
| Answer» D. 0.38 NV3/2 | |