Highway Engineering objective question and answer

Highway Engineering objective question and answer

Question No. 301

Parapet walls along hill roads, are provided 

(A) To retain the back filling 

(B) To prevent the hill from sliding 

(C) To prevent the wheels of the vehicle from coming on the retaining wall 

(D) None of these 

Answer: Option C 

Question No. 302

An ideal vertical curve is

(A) True spiral 

(B) Cubic spiral 

(C) Cubic parabola 

(D) None of these 

Answer: Option D 

Question No. 303

For calculating the tractive force along an upgrade of an asphalt road, the most probable value of 

the co-efficient of traction resistance is assumed 

(A) 1/10 

(B) 1/20 

(C) 1/30 

(D) 1/100 

Answer: Option D 

Question No. 304

If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre 

radius, is 

(A) 2.00 % 

(B) 2.25 % 

(C) 2.50 % 

(D) 2.75 % 

Answer: Option D 

Question No. 305

If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number 

of years passed after last census, number of vehicles A per day for design, is 

(A) P (1 + r)n

(B) P (1 - r)n

(C) P (1 + r)-n+5

(D) P (1 + r)5n Answer: Option C 

Question No. 306

The period of long term plan for the development of roads in India, known as Bombay Plan (Aug. 

1958), is 

(A) 5 years 

(B) 10 years 

(C) 15 years 

(D) 20 years 

Answer: Option D 

Question No. 307

California Bearing Ratio method of designing flexible pavements is more accurate as it involves 

(A) Characteristics of soils

(B) Traffic intensities 

(C) Character of the road making materials 

(D) None of these 

Answer: Option C 

Question No. 308

The absolute minimum radius of horizontal curve for a design speed 60 kmph is 

(A) 131 m 

(B) 210 m 

(C) 360 m 

(D) None of these 

Answer: Option D 

Question No. 309

If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec3

, is 

(A) 65/(70 + V) 

(B) 60/(70 + V) 

(C) 70/(65 + V) 

(D) 70/(60 + V) 

Answer: Option C 

Question No. 310

If the number of lanes on the carriageway of a road is more than two, the total width of lane ways 

is equal to 3.0 m 

(A) + 0.60 m 

(B) + 0.70 m 

(C) + 0.90 m 

(D) + 1.50 m 

Answer: Option B 

Question No. 311

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: Option B 

Question No. 312

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: Option B 

Question No. 313

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: Option A 

Question No. 314

Cement grouted pavement is classified as 

(A) Rigid pavement 

(B) Semi-rigid pavement 

(C) Flexible pavement 

(D) None of these 

Answer: Option B 

Question No. 315

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: Option A 

Question No. 316

The perpendicular offset from the tan-get to the central point of the circular curve, is 

(A) R sin θ/2

(B) R cos θ/2

(C) R (1 - cos θ/2)

(D) R (1 - sin θ/2)

Answer: Option C 

Question No. 317

The width of pavement in addition to a gravelled berm 1 m on either side for a two directional 

traffic recommended by Nagpur Conference of Chief Engineers, is 

(A) 4.7 m 

(B) 5.7 m 

(C) 6.7 m 

(D) 7.7 m 

Answer: Option C

Question No. 318

Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is 

(A) 80 m 

(B) 100 m 

(C) 120 m 

(D) 150 m 

Answer: Option C 

Question No. 319

The top height of a route marker above crown level is 

(A) 1.50 m 

(B) 1.75 m 

(C) 2.00 m 

(D) 2.25 m 

Answer: Option D 

Question No. 320

Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may 

(A) Skid 

(B) Slip 

(C) Not be affected 

(D) None of these 

Answer: Option A 

Question No. 321

Pick up the incorrect statement from the following. The super-elevation on roads is 

(A) Directly proportional to width of pavement 

(B) Directly proportional to velocity of vehicles 

(C) Inversely proportional to acceleration due to gravity 

(D) Inversely proportional to the radius of curvature 

Answer: Option B 

Question No. 322

For clear distinct vision, images of obstructions should fall on the retina with a cone of 

(A) 2° 

(B) 3° 

(C) 4° 

(D) 5° 

Answer: Option D 

Question No. 323

The basic formula for determination of pavement thickness was first suggested by 

(A) Spangler 

(B) Picket 

(C) Kelly

(D) Goldbeck 

Answer: Option D 

Question No. 324

If metres is the distance between extreme axles of a vehicle, its gross load should not exceed 

(A) 1525 (L + 4.3) - 14.7 L2

(B) 1526 (L + 5.3) - 14.7 L2

(C) 1525 (L + 6.3) - 14.7 L2

(D) 1525 (L + 7.3) - 14.7 L2

Answer: Option D 

Question No. 325

If x% is the gradient of an alignment and y% is the gradient after proper super-elevation along a 

curved portion of a highway, the differential grade along the curve, is 

(A) (x + y) % 

(B) (x - y) % 

(C) (y - x) % 

(D) (y + x) % 

Answer: Option C 

Question No. 326

If At

 is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab 

per square metre, the spacing of the tie bars for a longitudinal joint, is 

(A) (100 At

 × t)/WL

(B) 100 At/tWL

(C) (100 WAt

 × t)/tL

(D) 100 WL/At

t

Answer: Option D 

Question No. 327

The shape of a vertical curve, is 

(A) Parabolic 

(B) Elliptical 

(C) Circular 

(D) Spiral 

Answer: Option A 

Question No. 328

If L is the length of the transition curves provided on either side of a circular curve of radius R, the 

maximum angle of deflection with tangent for the junctions of the transition curve and circular 

curve, is 

(A) L/R

(B) L/2R

(C) L/3R

(D) None of these

Answer: Option D 

Question No. 329

The inventor of road making as a building science, was 

(A) Sully 

(B) Tresguet 

(C) Telford 

(D) Macadam 

Answer: Option A 

Question No. 330

The desirable camber for straight roads with water bound macadam or gravel surface, is 

(A) 1 in 33 to 1 in 25 

(B) 1 in 40 to 1 in 33 

(C) 1 in 150 to 1 in 140 

(D) 1 in 160 to 1 in 140 

Answer: Option B 

Question No. 331

The pavement width of a road depends upon 

(A) Terrain 

(B) Type of traffic 

(C) Number of lanes 

(D) All the above 

Answer: Option C 

Question No. 332

At a road junction, 16 cross conflict points are severe, if 

(A) Both are one-way roads 

(B) Both are two-way roads 

(C) One is two-way road and other is one-way road 

(D) None of these 

Answer: Option B 

Question No. 333

Road makers along roads from the edge of a kerb should not be less than 

(A) 40 cm 

(B) 45 cm 

(C) 50 cm 

(D) 60 cm 

Answer: Option D 

Question No. 334

In India the modes of transportation, in the order of their importance, are 

(A) Air transport, shipping, roads, railways

(B) Shipping, roads, railways, air transport 

(C) Roads, railways, air transport, shipping 

(D) Railways, roads, shipping, air transport 

Answer: Option D 

Question No. 335

The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 

kmph, is 

(A) 120 m 

(B) 200 m 

(C) 640 m 

(D) None of these 

Answer: Option A 

Question No. 336

The usual width of side drains along Highways in hilly region, is 

(A) 50 cm 

(B) 60 cm 

(C) 70 cm 

(D) 100 cm 

Answer: Option B 

Question No. 337

Design of highways is based on 

(A) Axle loads 

(B) Axle spacings 

(C) Wheel bases 

(D) All the above 

Answer: Option D 

Question No. 338

The width of the right of way in urban area, is kept between 24 m to 60 m for 

(A) National Highways 

(B) State Highways 

(C) Both (a) and (b) 

(D) None of these 

Answer: Option D 

Question No. 339

Thickness of broken centre line markings for a four lane road, is generally kept 

(A) 10 cm 

(B) 12 cm 

(C) 15 cm 

(D) 18 cm 

Answer: Option C

Question No. 340

On the recommendations of Nagpur Conference, the minimum width of a village road may be 

(A) 2.45 m 

(B) 2.75 m 

(C) 3.66 m 

(D) 4.90 m 

Answer: Option A 

Question No. 341

If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is 

(A) NS²/9.6 if L > S

(B) NS²/9.6 if L < S

(C) 2S - 9.6/N if L < S

(D) Both (A) and (C) 

Answer: Option D 

Question No. 342

Maximum super-elevation on hill roads should not exceed 

(A) 5 % 

(B) 7 % 

(C) 8 % 

(D) 10 % 

Answer: Option D 

Question No. 343

If R is the radius of a main curve and L is the length of the transition curve, the shift of the curve, is 

(A) L/24 R

(B) L2

/24 R

(C) L3

/24 R

(D) L4

/24 R

Answer: Option B 

Question No. 344

The length of the side of warning sign boards of roads is 

(A) 30 cm 

(B) 40 cm 

(C) 45 cm 

(D) 50 cm 

Answer: Option C 

Question No. 345

Minimum permissible speed on high speed roads, is decided on the basis of 

(A) 15 percentile cumulative frequency 

(B) 20 percentile cumulative frequency 

(C) 30 percentile cumulative frequency

(D) 40 percentile cumulative frequency 

Answer: Option A 

Question No. 346

For the administration of road transport, a Motor Vehicle Act was enacted in 

(A) 1927 

(B) 1934 

(C) 1939 

(D) 1947 

Answer: Option C 

Question No. 347

For maximum strength and durability minimum percentage of cement, by weight is 

(A) 15 % 

(B) 20 % 

(C) 25 % 

(D) 30 % 

Answer: Option D 

Question No. 348

Stability of hill slopes depends upon 

(A) Nature of the slope 

(B) Angle of the slope 

(C) Geological conditions 

(D) All the above 

Answer: Option D 

Question No. 349

The correct formula for calculating super-elevation for the hill roads, is 

(A) e = V²/254 R

(B) e = V²/225 R

(C) e = V²/278 R

(D) e = V²/114 R

Answer: Option B 

Question No. 350

Curves in the same direction separated by short tangents, are called 

(A) Simple circular curves 

(B) Compound curves 

(C) Transition curves 

(D) Broken-back curves 

Answer: Option D 

Question No. 351

The minimum width of the pavement of a National Highway should be

(A) 4.7 m 

(B) 5.7 m 

(C) 6.7 m 

(D) 7.7 m 

Answer: Option B 

Question No. 352

On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from 

(A) 5 kg to 7 kg/tonne 

(B) 7 kg to 9 kg/tonne 

(C) 9 kg to 11 kg/tonne 

(D) 11 kg to 13 kg/tonne 

Answer: Option C 

Question No. 353

Minimum radius of a simple circular curve deflecting through 5°, is 

(A) 1618.9 m 

(B) 1816.9 m 

(C) 1718.9 m 

(D) 1817.9 m 

Answer: Option C 

Question No. 354

Depth of reinforcement below the surface of a concrete pavement, is generally kept 

(A) 5 cm 

(B) 6 cm 

(C) 7 m 

(D) 9 m 

Answer: Option A 

Question No. 355

Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of 

(A) 10 metres 

(B) 20 metres 

(C) 25 metres 

(D) 30 metres 

Answer: Option B 

Question No. 356

Thickness of broken line markings on multi-lane road for lanes is generally kept 

(A) 10 cm 

(B) 12 cm 

(C) 15 cm 

(D) 18 cm 

Answer: Option A

Question No. 357

If V is the velocity in kmph, t

the stopping distance S of the vehicle, is 

(A) 0.28V²t + V/0.01 

(B) 0.28Vt + V²/0.1 

(C) 0.28Vt + 0.01 

(D) 0.28Vt + 0.01 V²/

Answer: Option C 

Question No. 358

If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years 

will be 

(A) 6050 vehicles 

(B) 7050 vehicles 

(C) 8050 vehicles 

(D) 9050 vehicles 

Answer: Option C 

Question No. 359

Pick up the correct statement from the following: 

(A) Detailed survey is carried out for a strip of land about 30 m at sharp curves 

(B) Levels are taken along the trace cut at an interval of 20 m 

(C) Contour interval is generally adopted at 2 metres vertical interval 

(D) All the above 

Answer: Option D 

Question No. 360

The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is 

(A) 3 R

(B) 3 R sin2

(C) 3 R

(D) 3 R

Answer: Option C 

Question No. 361

The minimum cross fall of shoulders is kept 

(A) 0.5 % 

(B) 1.0 % 

(C) 1.5 % 

(D) 3 % 

Answer: Option D 

Question No. 362

The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, 

is

(A) 2 

(B) 3 

(C) 4 

(D) 5 

Answer: Option B 

Question No. 363

Roadway width for a National highways and State highways (two-lanes) is 

(A) 12 m 

(B) 9 m 

(C) 9.5 m 

(D) 15 m 

Answer: Option A