MCQOPTIONS
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MCQOPTIONS
This section includes 84 Mcqs, each offering curated multiple-choice questions to sharpen your Highway Planning knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A pavement designer has arrived at a design traffic of 100 million standard axles for a newly developing national highway as per IRC:37 guidelines using the following data: Design life = 15 years Commercial vehicle count before pavement construction = 4500 vehicles/day Annual traffic growth rate = 8%. The vehicle damage factor used in the calculation was |
| A. | 1.53 |
| B. | 2.24 |
| C. | 3.66 |
| D. | 4.14 |
| Answer» C. 3.66 | |
| 2. |
The probability that k number of vehicles arrive (i.e. cross a predefined line) in time t is given as ( t)ke- t/k! where is the average vehicle arrival rate. What is the probability that the time headway is greater than or equal to time t1 ? |
| A. | e |
| B. | e |
| C. | e |
| D. | e |
| Answer» E. | |
| 3. |
The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20 C and the maximum slab temperature in summer is 60 C. The coefficient of thermal expansion of concrete is 10 10 6 mm/mm/ C and the joint filler compresses up to 50% of the thickness. The spacing between expansion joints should be |
| A. | 20 m |
| B. | 25 m |
| C. | 30 m |
| D. | 40 m |
| Answer» C. 30 m | |
| 4. |
The following observations were made of an axle-load survey on a road Axle Load (kN)Repetitions per day35-4580075-85400 The standard axle-load is 80 kN. Equivalent daily number of repetitions for the standard axle-load are |
| A. | 450 |
| B. | 480 |
| C. | 800 |
| D. | 1200 |
| Answer» E. | |
| 5. |
For a 25 cm thick cement concrete pavement, analysis of stresses gives the following values Wheel load stress due to corner loading 30 kg/cm Wheel load stress due to edge loading 32 kg/cm Warping stress at corner region during summer 9 kg/cm Warping stress at corner region during winter 7 kg/cm Warping stress at edge region durng summer 8 kg/cm Warping stress at edge region during winter 6 kg/cm Frictional stress during winter 5 kg/cm Frictional stress during winter 4 kg/cm The most critical stress value for this pavement is |
| A. | 40 kg/cm |
| B. | 42 kg/cm |
| C. | 44 kg/cm |
| D. | 45 kg/cm |
| Answer» C. 44 kg/cm | |
| 6. |
The data given below pertain to the design of a flexible pavement. Initial trafic = 1213 cvpd Traffic growth rate = 8 percent per annum Design life = 12 years Vehicle damage factor = 2.5 Distribution factor = 1.0 The design traffic in terms of million standard axles (msa) to be catered would be |
| A. | 0.06 msa |
| B. | 8.40 msa |
| C. | 21.00 msa |
| D. | 32.26 msa |
| Answer» D. 32.26 msa | |
| 7. |
Bilumen is derived from |
| A. | destructive distillation of coal tar |
| B. | destructive distillation of petroleum |
| C. | fractional distillation of petroleum |
| D. | naturally occuring ores |
| Answer» D. naturally occuring ores | |
| 8. |
In a concrete pavement A. temperature stress is tensile at bottom during day time B. load stress is compresive at bottom |
| A. | Both the statement (A) and (B) are correct |
| B. | Statement (A) is correct and (B) is wrong |
| C. | Statement (B) is wrong and (A) is correct |
| D. | Both statement (A) and (B) are incorrect |
| Answer» E. | |
| 9. |
Temperature stresses in concrete pavements may cause the slab to crack. If a slab cools uniformly then the crack will develop at the following locations of the slab |
| A. | at centre |
| B. | near edges |
| C. | at corners |
| D. | both (b) and (c) |
| Answer» C. at corners | |
| 10. |
Column I below gives a list of physical properties of aggregates which should be determined to judge their suitability in road construction. Column II gives a list of laboratory tests which are conduced to determine these properties. Column I Column II P. Hardness 1. Water adsorption Q. Porosity 2. Impact test R. Toughness 3. Soundness test S. Durability 4. Abrasion test Which of the following matches is correct ? |
| A. | P - 1 , Q - 2 , R - 3 , S - 4 |
| B. | P - 4 , Q - 1 , R - 2 , S - 3 |
| C. | P - 3 , Q - 4 , R - 1 , S - 2 |
| D. | P - 2 , Q - 3 , R - 4 , S - 1 |
| Answer» C. P - 3 , Q - 4 , R - 1 , S - 2 | |
| 11. |
Group I contains some properties of Bitumen. Group II gives a list of Laboratory Tests conducted on Bitumen to determine the properties. Match the property with the corresponding test Group I Group II P. Resistance to flow 1. Ductility test Q. Ability to deform 2. Penetration test under load R. Safety 3. Flash and Fire point test |
| A. | P-2, Q-1, R-3 |
| B. | P-2, Q-3, R-1 |
| C. | P-1, Q-2, R-3 |
| D. | P-3, Q-1, R-2 |
| Answer» B. P-2, Q-3, R-1 | |
| 12. |
In case of governing equations for calculating wheel load stresses using Wesergaard s approach, the following statements are made.I. Load stresses are inversely proportional to wheel load. II. Modulus of subgrade reaction is useful for load stress calculation. |
| A. | Both statements are TRUE |
| B. | I is TRUE and II is FALSE |
| C. | Both statements are FALSE |
| D. | I is FALSE and II is TRUE |
| Answer» E. | |
| 13. |
Match the following tests on aggregate and its properties TEST PROPERTY P. Crushing test 1. Hardness Q. Los Angeles 2. Weathering abrasion test R. Soundness test 3. Shape S. Angularity test 4. Strength |
| A. | P-2, Q-l, R-4, S-3 |
| B. | P-4, Q-2, R-3, S-l |
| C. | P-3, Q-2, R-l, S-4 |
| D. | P-4, Q-l, R-2, S-2 |
| Answer» E. | |
| 14. |
Which of the following stress combinations are appropriate in identifying the critical condition for the design of concrete pavements? Type of Stress Location P. Load 1. Corner Q. Temperature 2. Edge 3. Interior |
| A. | P-2, Q-3 |
| B. | P-l, Q-3 |
| C. | P-3, Q-l |
| D. | P-2, Q-2 |
| Answer» B. P-l, Q-3 | |
| 15. |
Consider the following statements in the context of geometric design of roads. I : A simple parabolic curve is an acceptable shape for summit curves. II : Comfort to passengers is an important consideration in the design of summit curves. The correct option evaluating the above statements and their relationship is |
| A. | I is true, II is false |
| B. | I is true, II is true, and II is the correct reason for I |
| C. | I is true, II is true, and II is NOT the correct reason for I |
| D. | I is false, II is true |
| Answer» B. I is true, II is true, and II is the correct reason for I | |
| 16. |
Consider the following statements in the context of cement concrete pavements. I. Warping stresses in cement concrete pavements are caused by the seasonal variation in temperature. II Tie bars are generally provided across transverse joints |
| A. | I : True II : False |
| B. | I : False II : True |
| C. | I : True II : True |
| D. | I : False II : False |
| Answer» E. | |
| 17. |
Two bitumen samples X and Y have softening points 45 C and 60 C, respectively. Consider the following statements: I . Viscosity of X will be higher than that of Y at the same temperature. II . Penetration value of X will be lesser than that of Y under standard conditions. The CORRECT option evaluating the above statements is |
| A. | Both I and II are TRUE |
| B. | I is FALSE and II is TRUE |
| C. | Both I and II are FALSE |
| D. | I is TRUE and II is FALSE |
| Answer» D. I is TRUE and II is FALSE | |
| 18. |
The plate load test conducted with a 75 cm diameter plate on soil subgrade yielded a deflection of 2.5 mm under a stress of 800 N/cm2. The modulus of elasticity of the subgrade soil, in kN/cm2, is |
| A. | 141.6 |
| B. | 154.6 |
| C. | 160.0 |
| D. | 185.4 |
| Answer» B. 154.6 | |
| 19. |
The radius of relatives stiffness for a 20 cm thick slab with E = 3 105 kg/cm2 and poisson s ratio = 0.15, resting on subgrade having modulus of 5 kg/cm3 is |
| A. | 10 cm |
| B. | 80 cm |
| C. | 120 cm |
| D. | 320 cm |
| Answer» C. 120 cm | |
| 20. |
A Marshall specimen is prepared for bituminous concrete with a bitumen content of 5 percent by measured unit weights of the mix are 2.442 g/cm3 and 2.345 g/cm3 , respectively. The bitumen has a specific gravity of 1.02. The percent voids in mineral aggregate filled with bitumen (VFB) are |
| A. | 34.55 |
| B. | 35.9 |
| C. | 73.55 |
| D. | 74.3 |
| Answer» D. 74.3 | |
| 21. |
A transport company operates a scheduled daily truck service between city P and city Q. One-way journey time betweeen these two cities is 85 hours. A minimum layover time of 5 hours is to be provided at each city. How many trucks are required to provide this service. |
| A. | 4 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» D. 8 | |
| 22. |
A single lane unidirectional highway has a design speed of 65 kmph. The perception-brake-reaction time of drivers is 2.5 seconds and the average length of vehicles is 5 m. The coefficient of longitudinal friction of the pavement is 0.4. The capacity of this road in terms of vehicles per hour per lane is. |
| A. | 1440 |
| B. | 750 |
| C. | 710 |
| D. | 680 |
| Answer» D. 680 | |
| 23. |
For a 25 cm thick cement concrete pavement, analysis of stresses gives the following values Wheel load stress due to corner loading 30 kg/cm Wheel load stress due to edge loading 32 kg/cm |
| A. | 40 kg/cm |
| B. | 42 kg/cm |
| C. | 44 kg/cm |
| D. | 45 kg/cm |
| Answer» C. 44 kg/cm | |
| 24. |
The extra widening required for a two-lane national highway at a horizontal curve of 300 m radius, considering a wheel base of 8 m and a design speed of 100 kmph is |
| A. | 0.42 m |
| B. | 0.62 m |
| C. | 0.82 m |
| D. | 0.92 m |
| Answer» D. 0.92 m | |
| 25. |
A crest vertical curve joins two gradients of +3% and 2% for a design speed of 80 km/h and the corresponding stopping sight distance of 120 m.The height of driver s eye and the object above the road surface are 1.20 m and 0.15 m respectively. The curve length (which is less than stopping sight distance) to be provided is |
| A. | 120 m |
| B. | 152 m |
| C. | 163 m |
| D. | 240 m |
| Answer» C. 163 m | |
| 26. |
What is the length of valley curve (in m) based on the comfort condition? |
| A. | 107.866 m |
| B. | 106.066 m |
| C. | 105.425 m |
| D. | 106.002 m |
| Answer» C. 105.425 m | |
| 27. |
At a horizontal curve portion of a 4 lane undivided carriageway, a transition curve is to be introduced to attain required superelevation. The design speed is 60 kmph and radius of the curve is 245 m. Assume length of wheel base of the longest vehicle as 6 m, superelevation rate as 5% and rate of introduction of this superelevation as 1 in 150. The length of the transition curve (m) required, if the pavement is rotated about inner edge is: |
| A. | 81.4 |
| B. | 85.0 |
| C. | 91.5 |
| D. | 110.2 |
| Answer» E. | |
| 28. |
The design speed for a National Highway is 100 kmph. If the maximum permissible superelevation is 0.10 and the coefficient of lateral friction is 0.15, the ruling minimum radius of horizontal curve on the highway should be |
| A. | 260 m |
| B. | 315 m |
| C. | 380 m |
| D. | 410 m |
| Answer» C. 380 m | |
| 29. |
The co-efficient of friction in the longitudinal direction of a highway is estimated as 0.396. The breaking distance for a new car moving at a speed of 65 km/hr is |
| A. | 87 m |
| B. | 45 m |
| C. | 42 m |
| D. | 40 m |
| Answer» D. 40 m | |
| 30. |
A vehicle moving at 60 kmph on an ascending gradient of a highway has to come to stop position to avoid collision with a stationary object.The ratio of lag to brake distance is 6: 5. Considering total reaction time of the driver as 2.5 seconds and the coefficient of longitudinal friction as 0.36, the value of ascending gradient (%) is |
| A. | 3.3 |
| B. | 4.8 |
| C. | 5.3 |
| D. | 6.8 |
| Answer» C. 5.3 | |
| 31. |
A road is having a horizontal curve of 400 m radius on which a super-elevation of 0.07 is provided. The coefficient of lateral friction mobilized on the curve when a vehicle is travelling at 100 kmph is |
| A. | 0.07 |
| B. | 0.13 |
| C. | 0.15 |
| D. | 0.4 |
| Answer» C. 0.15 | |
| 32. |
The following observations were made of an axle-load survey on a road |
| A. | 450 |
| B. | 480 |
| C. | 800 |
| D. | 1200 |
| Answer» E. | |
| 33. |
The following data are related to a horizontal curved portion of a two-lane highway: length of curve = 200 m, radius of curve = 300 m and width of pavement = 7.5 m. In order to provide a stopping sight distance (SSD) of 80 m, the set back distance (in m) required from the centre line of the inner lane of the pavement is |
| A. | 2.54 |
| B. | 4.55 |
| C. | 7.10 |
| D. | 7.96 |
| Answer» B. 4.55 | |
| 34. |
A pavement designer has arrived at a design traffic of 100 million standard axles for a newly developing national highway as per IRC:37 guidelines using the following data: |
| A. | 1.53 |
| B. | 2.24 |
| C. | 3.66 |
| D. | 4.14 |
| Answer» C. 3.66 | |
| 35. |
If v is the initial speed of a vehicle, g is the gravitational acceleration, G is the upward longitudinal slope of the road and >sub>r is the coefficient of rolling friction during braking, the braking distance (measured horizontally) for the vehicle to stop is |
| A. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v </center></td></tr><tr><td style="text-align: center;">g(G + <sub>r</sub>)</td></tr></table> |
| B. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v </center></td></tr><tr><td style="text-align: center;">2g(G + <sub>r</sub>)</td></tr></table> |
| C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>vg</center></td></tr><tr><td style="text-align: center;">(G + <sub>r</sub>)</td></tr></table> |
| D. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>v <sub>r</sub></center></td></tr><tr><td style="text-align: center;">(G + g)</td></tr></table> |
| E. | |
| Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>vg</center></td></tr><tr><td style="text-align: center;">(G + <sub>r</sub>)</td></tr></table> | |
| 36. |
A vehicle negotiates a transition curve with uniform speed v. If the radiuses of the horizontal curve and the allowable jerk are R and J, respectively, the minimum length of the transition curve is |
| A. | R /(vJ) |
| B. | J /(Rv) |
| C. | v R/J |
| D. | v /(RJ) |
| Answer» E. | |
| 37. |
On a circular curve, the rate of superelevation is e. While negotiating the curve a vehicle comes to a stop. It is seen that the stopped vehicle does not slide inwards (in the radial direction). The coefficient of side friction is f. Which of the following is true: |
| A. | e f |
| B. | f < e < 2f |
| C. | e > 2 |
| D. | none of the above |
| Answer» B. f < e < 2f | |
| 38. |
What is the length of valley curve (in m) based on the head light sight distance condition ? |
| A. | 153.6636 |
| B. | 154.4582 |
| C. | 151.2546 |
| D. | 152.0256 |
| Answer» B. 154.4582 | |
| 39. |
A superspeedway in New Delhi has among the highest super-elevation rates of any track on the Indians Grand Prix circuit. The track requires drivers to negotiate turns with a radius of 335 m and 33 banking. Given this information, the coefficient of side friction required in order to allow a vehicle to travel at 320 km/h along the curve is: |
| A. | 1.761 |
| B. | 0.176 |
| C. | 0.253 |
| D. | 2.530 |
| Answer» B. 0.176 | |
| 40. |
A rod 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. | 115.0 |
| B. | 152.3 |
| C. | 264.3 |
| D. | 528.5 |
| Answer» E. | |
| 41. |
During a CBR test, the load sustained by a remolded soil specimen at 5.0 mm penetration is 50 kg. The CBR value of the soil will be |
| A. | 10.0% |
| B. | 5.0% |
| C. | 3.6% |
| D. | 2.4% |
| Answer» E. | |
| 42. |
The width of the expansion joint is 20 mm in a cement concrete pavement. The laying temperature is 20 C and the maximum slab temperature in summer is 60 C. The coefficient of thermal expansion of concrete is 10 10 |
| A. | 20 m |
| B. | 25 m |
| C. | 30 m |
| D. | 40 m |
| Answer» C. 30 m | |
| 43. |
While designing a hill road with a ruling gradient of 6%, if a sharp horizontal curve of 50 m radius is encountered, the compensated gradient at the curve as per the Indian Roads Congress specifications should be |
| A. | 4.4% |
| B. | 4.75% |
| C. | 5.0% |
| D. | 5.25% |
| Answer» B. 4.75% | |
| 44. |
The set-back distance from the centre line of the inner lane is |
| A. | 7.93 m |
| B. | 8.10 m |
| C. | 9.60 m |
| D. | 9.77 m |
| Answer» D. 9.77 m | |
| 45. |
The penetration value of bitumen sample tested at 25 C is 80. When this sample is heated to 60 C and tested again, the needle of the penetration test apparatus penetrates the bitumen sample by d mm. The value of d CANNOT be less than _____ mm. |
| A. | 7 |
| B. | 6 |
| C. | 5 |
| D. | 8 |
| Answer» E. | |
| 46. |
In a Marshall sample, the bulk specific gravity of mix and aggregates are 2.324 and 2.546 respectively. The sample includes 5% of bitumen (by total weight of mix) of specific gravity 1.10. The theoretical maximum specific gravity of mix is 2.441. The void filled with bitumen (VFB) in the Marshall sample (in%) is __________ |
| A. | 68% |
| B. | 67.7% |
| C. | 68.7% |
| D. | 67% |
| Answer» C. 68.7% | |
| 47. |
The perception-reaction time for a vehicle travelling at 90 km/h, given the coefficient of longitudinal friction of 0.35 and the stopping sight distance of 170 m (assume g = 9.81 m/s ), is ____________ seconds. |
| A. | 1.151 s |
| B. | 2.215 s |
| C. | 3.151 s |
| D. | 4.024 s |
| Answer» D. 4.024 s | |
| 48. |
The design speed for a two-lane road is 80 kmph. When a design vehicle with a wheel base of 6.6 m is negotiating a horizontal curve on that road, the off-tracking is measured as 0.096 m.The required widening of carriageway of the two-lane road on the curve is approximately |
| A. | 0.55 m |
| B. | 0.65 m |
| C. | 0.75 m |
| D. | 0.85 m |
| Answer» D. 0.85 m | |
| 49. |
The value of lateral friction or side friction used in the design of horizontal curve as per India Roads Congress guidelines is |
| A. | 0.40 |
| B. | 0.35 |
| C. | 0.24 |
| D. | 0.15 |
| Answer» E. | |
| 50. |
The design speed on a road is 60 kmph. Assuming the driver reaction time of 2.5 seconds and coefficient of friction of pavement surface as 0.35, the required slopping distance for two-way traffic on a single lane road is |
| A. | 82.1 m |
| B. | 102.4 m |
| C. | 164.2 m |
| D. | 186.4 m |
| Answer» D. 186.4 m | |