Highway Engineering objective question and answer

 

Highway Engineering objective question and answer

Question No. 201

In case of cement concrete pavements, pick up the incorrect statement

(A) Tractive resistance is low

(B) Initial cost of construction is high

(C) Initial cost of construction is low

(D) Visibility during nights is high

Answer: Option C

Question No. 202

If D is the degree of a curve, the percentage reduction of gradient, is

(A) 0.01 D

(B) 0.02 D

(C) 0.03 D

(D) 0.04 D

Answer: Option D

Question No. 203

Pick up the incorrect statement from the following:

(A) Highways are always constructed in straight line

(B) Highways may be provided horizontal curves

(C) Highways may be provided vertical curves

(D) Highways may be provided both horizontal and vertical curves

Answer: Option A

Question No. 204

Pick up the correct statement from the following:

(A) Long tangent sections exceeding 3 km in length should be avoided

(B) Curve length should be at least 150 metres for a deflection angle of 5 degree

(C) For every degree decrease in the deflection angle, 30 metre length of curve to be increased

(D) All the above

Answer: Option D

Question No. 205

Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to

crushing strength 280 kg/cm2 at 28 days, are

(A) 5.0

(B) 6.5

(C) 7.0

(D) 7.5

Answer: Option B

Question No. 206

For Indian conditions, the water bound macadam roads, are suitable if daily traffic does not

exceed

(A) 2000 tonnes

(B) 2500 tonnes

(C) 3000 tonnes

(D) 3500 tonnes

Answer: Option A

Question No. 207

Indian Road Congress (I.R.C.) was founded and constituted with its head quarters at New Delhi, in

(A) 1924

(B) 1927

(C) 1930

(D) 1934

Answer: Option D

Question No. 208

The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is

known

(A) Ruling gradient

(B) Maximum gradient

(C) Exceptional gradient

(D) Floating gradient

Answer: Option B

Question No. 209

When each particle of aggregates is thinly coated with cement paste, a heterogeneous solid is

formed, which is known as

(A) Hydration

(B) Gel

(C) Concrete

(D) None of these

Answer: Option C

Question No. 210

Width of the shoulders of carriage way is generally kept

(A) 100 cm

(B) 125 cm

(C) 150 cm

(D) 250 cm

Answer: Option D

Question No. 211

Reduction of load capacity in a ruling gradient of

(A) 1 in 10, is 10%

(B) 1 in 15, is 15%

(C) 1 in 20, is 10%

(D) 1 in 25, is 25%

Answer: Option C

Question No. 212

The width of road pavements, depends upon

(A) Width of traffic lane

(B) Number of traffic

(C) Width of median strip

(D) All the above

Answer: Option D

Question No. 213

While calculating the overtaking sight distance, the height of the object above road surface, is

assumed

(A) 50 cm

(B) 75 cm

(C) 100 cm

(D) 120 cm

Answer: Option D

Question No. 214

Minimum thickness of the base of a flexible pavement, is

(A) 10 cm

(B) 15 cm

(C) 20 cm

(D) 25 cm

Answer: Option A

Question No. 215

Widening of the roads on curves in hilly region, is done

(A) On the outer side

(B) On the inner side

(C) On the outer and inner sides equally

(D) Less on outer side and more on inner side

Answer: Option B

Question No. 216

Side drains on both sides of a hill road, are essential when the road is

(A) Along the spur curves

(B) Along the re-entrant curves

(C) In cutting

(D) None of these

Answer: Option C

Question No. 217

The wall constructed for the stability of a back filling portion of a road on the downhill side, is

known as

(A) Retaining wall

(B) Breast wall

(C) Parapet wall

(D) All the above

Answer: Option A

Question No. 218

If V is speed of a moving vehicle, r is radius of the curve, g is the acceleration due to gravity, W is

the width of the carriageway, the super elevation is

(A) WV/gr

(B) W²V/gr

(C) WV²/gr

(D) WV/gr²

Answer: Option C

Question No. 219

In a right angle bend of a road provided with a transition throughout, the maximum polar angle

will be

(A) 10°

(B) 15°

(C) 20°

(D) 30°

Answer: Option B

Question No. 220

If V is the design speed in km/hour and R is the radius of the curve of a hill road, the superelevation

(A) e = V / 127 R

(B) e = V² / 127 R

(C) e = V ²/ 225 R

(D) e = V / 225 R

Answer: Option C

Question No. 221

Along a hill road, a side drain is provided on

(A) Outer side of a spur curve

(B) Outer side of a re-entrant curve

(C) Outer side of both (a) and (b)

(D) Inner side of both (a) and (b)

Answer: Option D

Question No. 222

The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent

points to provide a rate of change of centrifugal acceleration 0.6 m/sec2, for a design speed 100

kmph, is

(A) 16.0 m

(B) 42.3 m

(C) 84.6 m

(D) None of these

Answer: Option C

Question No. 223

If V is speed in km/hour and R is radius of the curve, the super-elevation e is equal to

(A) V²/125 R

(B) V²/225 R

(C) V²/325 R

(D) V²/25 R

Answer: Option B

Question No. 224

The weaving length of a roadway is the distance

(A) Between the channelizing islands

(B) Equal to half circumference

(C) Equal to total width of adjoining radial roads

(D) Equal to diameter of rotary

Answer: Option A

Question No. 225

Following type of pavement is generally known as flexible pavement

(A) Water-bound macadam roads

(B) Stabilised soil roads

(C) Road constructed with various layers of building material well compacted

(D) All the above

Answer: Option D

Question No. 226

First operation during the detailed survey of a hill road, is

(A) Hydrological and soil surveys

(B) Adjustment of alignment along with curves

(C) Derivation of longitudinal and cross-sections

(D) Fixation of Bench Marks

Answer: Option D

Question No. 227

Pick up the incorrect statement from the following. The width of the right-of-way is decided so as

to accommodate

(A) Formation width

(B) Side slopes

(C) Horizontal curve

(D) Vertical curve

Answer: Option D

Question No. 228

The type of transition curves generally provided on hill roads, is

(A) Circular

(B) Cubic parabola

(C) Lemniscate

(D) Spiral

Answer: Option D

Question No. 229

When a number of hair pin bends are introduced, a minimum intervening distance in between is

kept

(A) 20 m

(B) 40 m

(C) 60 m

(D) 100 m

Answer: Option C

Question No. 230

If cross slope of a country is 10% to 25%, the terrain is classified as

(A) Rolling

(B) Mountainous

(C) Steep

(D) Plain

Answer: Option A

Question No. 231

For the design of cement concrete pavement for corner loading, Indian Road Congress

recommends the use of

(A) Westergaard's formula

(B) Kelly's formula

(C) Goldbeck's formula

(D) Picker's formula

Answer: Option D

Question No. 232

On the recommendations of Indian Road Congress, the ruling gradient in plains, is

(A) 1 in 15

(B) 1 in 20

(C) 1 in 30

(D) 1 in 45

Answer: Option C

Question No. 233

The tangent length of a simple circular curve of radius R deflecting through θ is

(A) R tan

(B) R tan

(C) R sin

(D) R sin

Answer: Option B

Question No. 234

While calculating the sight distances, the driver's eye above road surface, is assumed

(A) 90 cm

(B) 100 cm

(C) 110 cm

(D) 120 cm

Answer: Option D

Question No. 235

On earth roads, the camber should preferably be

(A) 1 in 20 to 1 in 24

(B) 1 in 30 to 1 in 48

(C) 1 in 15 to 1 in 20

(D) 1 in 10 to 1 in 15

Answer: Option A

Question No. 236

At a road junction, 7 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 C

Question No. 237

The safe length L of a valley curve for night travel is

(A) 2S - (1.50 + 0.035 S)/N if L < S

(B) NS²/(1.50 + 0.035 S) if L > S

(C) Neither (a) nor (b)

(D) Both (a) and (b)

Answer: Option D

Question No. 238

Road width 8.8 m of two lane National highways or State highways in mountainous terrain

(A) Excludes the width of parapet (0.6 m)

(B) Excludes the width of side drain (0.6 m)

(C) Excludes the width of parapet and side drain

(D) Includes the width of parapet and side drain

Answer: Option C

Question No. 239

The radius of curvature provided along a transition curve, is

(A) Minimum at the beginning

(B) Same throughout its length

(C) Equal to the radius of circular curve

(D) Varying from infinity to the radius of circular curve

Answer: Option D

Question No. 240

The normal road width of National and State highways

(A) Is kept 45 m

(B) In plain and rolling terrain built-up area, is 30 m

(C) In mountainous built-up area is 20 m

(D) All the above

Answer: Option D

Question No. 241

If R is the radius of a main circular curve Δ is the angle of deflection and α is the polar deflection angle of any point, its radial distance is

(A) 3 R√(sin∆/3 sin2α)

(B) 3 R√(sin∆/2 sin3α)

(C) 3 R√(sin∆/3 sin2α)

(D) 3 R√(sin∆/3 sinα/2)

Answer: Option A

Question No. 242

Raising of outer edge of a road with respect to inner edge, is known 

(A) Super elevation 

(B) Cant 

(C) Banking 

(D) All the above 

Answer: Option D

Question No. 243

The G.T. road from Lahore to Calcutta in undivided India, was constructed during 

(A) 3495-3500 BC 

(B) 265-270 BC 

(C) 1540-1545 AD 

(D) 1440-1450 AD 

Answer: Option C 

Question No. 244

Endoscope is used to determine 

(A) Spot speed 

(B) Average speed 

(C) Travel time 

(D) None of these 

Answer: Option A 

Question No. 245

The minimum road width is taken 

(A) 9 m 

(B) 12 m 

(C) 16 m 

(D) 20 m 

Answer: Option A 

Question No. 246

Newly constructed pavement with ordinary Portland cement attains its working strength after 

(A) 7 days 

(B) 14 days 

(C) 21 days 

(D) 28 days 

Answer: Option D 

Question No. 247

The maximum comfortable retardation applied to moving vehicles, is 

(A) 3.42 m/sec2

(B) 4.42 m/sec2

(C) 5.56 m/sec2

(D) 7.80 m/sec2

Answer: Option A 

Question No. 248

For a vehicle moving with a speed of 80 km per hour, the brake reaction time, in ordinary cases, is 

(A) 1 sec 

(B) 1.5 sec 

(C) 2.0 sec

(D) 2.5 sec 

Answer: Option D 

Question No. 249

Horizontal curves on highways are provided 

(A) To break the monotony of driving 

(B) To discourage the tendency to increase speed 

(C) To decrease the mental strain on drivers 

(D) All the above 

Answer: Option D 

Question No. 250

Bottom-most component of a flexible pavement, is 

(A) Sub-grade 

(B) Sub-base 

(C) Base 

(D) Base course 

Answer: Option A 

Question No. 251

For a properly designed vehicle, the resistance generally ignored, is 

(A) Wind resistance 

(B) Rolling resistance 

(C) Grade resistance 

(D) Axle resistance 

Answer: Option D 

Question No. 252

If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the 

camber of the pavement, is 

(A) 1 in 60 

(B) 1 in 45 

(C) 1 in 30 

(D) 1 in 15 

Answer: Option C 

Question No. 253

A subsidiary area in a carriageway placed so as to control the movement of the traffic, is 

(A) Median strip 

(B) Island 

(C) Flower bed 

(D) Refuge 

Answer: Option B

Question No. 254

Traffic engineering only includes 

(A) Planning of regulatory measures 

(B) Design and application of control devices 

(C) Analysis of traffic characteristics 

(D) All the above 

Answer: Option D 

Question No. 255

The traffic manoeuvre means 

(A) Diverging 

(B) Merging 

(C) Crossing 

(D) All the above 

Answer: Option D 

Question No. 256

If A is the projected area of a vehicle in square metres, V is speed of the vehicles in kilometres per 

hour and C is a constant, then the wind resistance R to the moving vehicles, is given by 

(A) R = CAV

(B) R = CAV2

(C) R = CAV3

(D) R = C

2AV

Answer: Option B 

Question No. 257

If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be 

(A) 60/R

(B) 70/R

(C) 75/R

(D) 80/R

Answer: Option C 

Question No. 258

The efficiency of the brakes of a vehicle depends upon 

(A) Condition of road surface 

(B) Condition of the tyres 

(C) Presence of the show moisture 

(D) All the above 

Answer: Option D 

Question No. 259

On a pavement with parabolic camber, the angle of inclination of the vehicles will be 

(A) More at the crown 

(B) Less at the edges

(C) More at the edges 

(D) Same at the edges as well as at the crown 

Answer: Option C 

Question No. 260

Deviation of the alignment of a trace cut may be permitted in areas involving 

(A) Land slides 

(B) Sand dunes 

(C) Dens 

(D) None of these 

Answer: Option A 

Question No. 261

For a 6.6 m wide two lane pavement, berms are provided on either side having a width of 

(A) 1.00 m 

(B) 1.25 m 

(C) 1.50 m 

(D) 1.75 m 

Answer: Option C 

Question No. 262

The wall constructed for the stability of an excavated portion of a road on the hill side, is known as 

(A) Retaining wall 

(B) Breast wall 

(C) Parapet wall 

(D) All the above 

Answer: Option B 

Question No. 263

Which one of the following transportation systems is not used for the conveyance of passengers in 

India? 

(A) Railways 

(B) Roads 

(C) Shipping 

(D) Pipe lines 

Answer: Option D 

Question No. 264

If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of resistance μ the tractative force

T is given by 

(A) T = p / ( μ + S) 

(B) p = T / ( μ+ S) 

(C) S = p / (μ + T) 

(D) = p / (T + S) 

Answer: Option D

Question No. 265

The normal road land width for a major district road in open area, is 

(A) 45 m 

(B) 25 m 

(C) 15 m 

(D) 12 m 

Answer: Option B 

Question No. 266

Driving vehicles on wet surfaced roads, is dangerous because it may 

(A) Skid 

(B) Slip 

(C) Overturn 

(D) All the above 

Answer: Option B 

Question No. 267

If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 

150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition 

curve to be provided at either end, is 

(A) 65 m 

(B) 70 m 

(C) 75 m 

(D) 80 m 

Answer: Option B 

Question No. 268

Transverse joints are provided at distances varying from 

(A) 10 m to 15 m 

(B) 12 m to 18 m 

(C) 16 m to 24 m 

(D) 17 m to 27 m 

Answer: Option D 

Question No. 269

Concrete pavement is provided if daily traffic per lane exceeds 

(A) 500 tonnes 

(B) 750 tonnes 

(C) 1000 tonnes 

(D) 1250 tonnes 

Answer: Option C 

Question No. 270

While designing hair pin bends on highways, the minimum 

(A) Designed speed is 20 km/hour

(B) Gradient is 1 in 40 

(C) Gradient is 1 in 200 

(D) All the above 

Answer: Option D 

Question No. 271

If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2

, spacing 

of 10 mm tie bars for the longitudinal joint, is 

(A) 10 cm 

(B) 20 cm 

(C) 30 cm 

(D) 40 cm 

Answer: Option C 

Question No. 272

If no super elevation is provided on a road along curves, pot holes may develop at 

(A) Inner edge of the road 

(B) Outer edge of the road 

(C) Centre of the road 

(D) Nowhere on the road 

Answer: Option B 

Question No. 273

The safe stopping sight distance D, may be computed from the equation 

(A) D = 0.278 Vt + V²/254f

(B) D = 0.254 Vt + V²/278f

(C) D = 0.254 Vt + V²/225f

(D) D = 0.225 Vt + V²/254f

Answer: Option A 

Question No. 274

Normal formation width of a hill road for one-way traffic, is 

(A) 3.6 m 

(B) 4.8 m 

(C) 6.6 m 

(D) 7.2 m 

Answer: Option B 

Question No. 275

Before providing super-elevation on roads, the portion of the carriageway between the crown and 

the outer edge is made 

(A) To have a reduced fall 

(B) Horizontal 

(C) To have slope of the camber on the other half of the carriageway 

(D) None of these

Answer: Option C 

Question No. 276

If the rate of change of grade permitted along a vertical curve is r and total change of grade is g%, 

the length L of the curve to be provided, is 

(A) L = (r × 100/g) m

(B) L = (g × 100/r) m

(C) L = (r + g) × 100m

(D) L = [100/(r + g)] m

Answer: Option B 

Question No. 277

The standard equation of a cubic parabolic transition curve provided on roads, is 

(A) y = x3

/6 RL

(B) y = x/6 RL

(C) y = l²/6 RL

(D) y = l3

/6 RL

Answer: Option A 

Question No. 278

The traffic carrying capacity of a single lane, depends on 

(A) Type of the vehicles 

(B) Level crossings 

(C) Road intersections 

(D) All the above 

Answer: Option D 

Question No. 279

In complex situations, total time required for a driver to form a judgement and to act, may be 

taken as 

(A) 1.0 sec 

(B) 1.5 sec 

(C) 2.0 sec 

(D) 3.0 sec 

Answer: Option D 

Question No. 280

Full amount of extra width of a pavement on the curve, is provided at 

(A) Beginning of the transition curve 

(B) Centre of the transition curve 

(C) Beginning of the circular curve 

(D) Centre of the circular curve 

Answer: Option C

Question No. 281

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: Option D 

Question No. 282

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: Option B 

Question No. 283

Width of vehicles affects the width of 

(A) Lanes 

(B) Shoulders 

(C) Parking spaces 

(D) All the above 

Answer: Option D 

Question No. 284

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: Option D 

Question No. 285

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: Option D 

Question No. 286

An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed 

(A) 45 m per km

(B) 60 m per km 

(C) 75 m per km 

(D) 90 m per km 

Answer: Option B 

Question No. 287

Shoulders for high traffic volume roads, should 

(A) Be stable throughout the year to be used by vehicles in the case of emergency 

(B) Support and protect the ends of carriage ways 

(C) Not allow entrance of water to sub-grade 

(D) All the above 

Answer: Option D 

Question No. 288

If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no super-elevation is 

provided, if the camber, is 

(A) 4 % 

(B) 3 % 

(C) 2 % 

(D) 1.7 % 

Answer: Option C 

Question No. 289

If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an 

interior loading, is 

(A) b = d

2

) - 0.675 d

(B) b = d

2

) + 0.675 d

(C) b = d

2

) - 3.675 d

(D) b = d

2

) - 0.675 d

Answer: Option D 

Question No. 290

Roughness index of roads, is expressed as 

(A) Size of the stone on the pavement 

(B) Number of patches on the pavement 

(C) Cumulative deformation of surface per horizontal distance 

(D) Type of the road surface 

Answer: Option C 

Question No. 291

To indicate proper control of consistency of a freshly mixed concrete for pavement construction, 

the slump should be between 

(A) 3 to 5 cm 

(B) 4 to 6 cm 

(C) 5 to 7 cm

(D) 7 to 10 cm 

Answer: Option D 

Question No. 292

If the cross slope of a country is 25% to 60%, the terrain is classified as 

(A) Plain 

(B) Rolling 

(C) Steep 

(D) Mountainous 

Answer: Option D 

Question No. 293

To prevent movement of moisture from sub-grade to road pavement at the same level as that of 

water-table, thickness of a cut off layer of coarse sand, is 

(A) 15 cm 

(B) 20 cm 

(C) 30 cm 

(D) 45 cm 

Answer: Option A 

Question No. 294

Retaining walls are generally constructed with dry rubble stones with 60 cm top width and 

(A) 1 : 2 front batter 

(B) 1 : 3 front batter 

(C) 1 : 4 front batter 

(D) 1 : 5 front batter 

Answer: Option B 

Question No. 295

Pick up the incorrect statement from the following: 

(A) Tresguet did not provide the top camber for the drainage of surface water 

(B) Tresguet provided the top camber for the drainage of surface water 

(C) Telford provided two layers of stones in the central 5.4 m width and one layer was provided 

on the sides 

(D) Macadam provided a camber to the formation at the dug-up state, to drain percolated water 

Answer: Option A 

Question No. 296

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: Option D

Question No. 297

If L is the length of vehicles in metres, 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: Option A 

Question No. 298

Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design 

speed of 50 km ph 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: Option B 

Question No. 299

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: Option C 

Question No. 300

Customers prefer parking of their vehicles at 

(A) 90° to aisles 

(B) 85° to aisles 

(C) 80° to aisles 

(D) 75° to aisles 

Answer: Option D