Highway Engineering objective question and answer

Highway Engineering objective question and answer

Question No. 101

Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 

1.25 m/sec2

 to overtake a vehicle moving at a speed 30 km ph, is 

(A) 5.0 secs 

(B) 6.12 secs 

(C) 225.48 secs 

(D) 30 secs 

Answer: Option B 

Question No. 102

The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and 

percentage passing 75 micron IS sieve 

(A) 0 

(B) 3 

(C) 5 

(D) 7 

Answer: Option A 

Question No. 103

According to Indian Road Congress, the width of carriageway, is

(A) 3.75 m for single lane 

(B) 7.0 m for two lanes without raised kerbs 

(C) 7.5 m for two lanes with raised kerbs 

(D) All the above 

Answer: Option D 

Question No. 104

For night travel, the length of a valley curve should be such that the head light beam distance is 

the same as 

(A) Stopping sight distance 

(B) Overtaking sight distance 

(C) Sum of (a) and (b) 

(D) Difference of (a) and (b) 

Answer: Option A 

Question No. 105

The binder normally used in flexible pavement construction is 

(A) Cement 

(B) Lime 

(C) Bitumen 

(D) None of the above 

Answer: Option C 

Question No. 106

Intermediate catch water drains are provided only, if 

(A) Catchment area of the watershed above road is large 

(B) Intensity of rainfall is heavy 

(C) Single catch water drain is inadequate 

(D) All the above 

Answer: Option D 

Question No. 107

In retaining and breast walls, weep holes are provided at 

(A) 50 cm vertical height and 50 cm centre to centre horizontally 

(B) 100 cm vertical height and 100 cm centre to centre horizontally 

(C) 100 cm vertical height and 120 cm centre to centre horizontally 

(D) 120 cm vertical height and 100 cm centre to centre horizontally 

Answer: Option C 

Question No. 108

In highway construction on super-elevated curves, the rolling shall proceed from 

(A) Sides towards the centre 

(B) Centre towards the sides 

(C) Lower edge towards the upper edge 

(D) Upper edge towards the lower edge

Answer: Option C 

Question No. 109

An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of 

length L to be introduced, is given by 

(A) y = g [(g - g L] x² 

(B) y = [(g g L] x² 

(C) y = [(g - g L] x² 

(D) y = [(g g L] x² 

Answer: Option B 

Question No. 110

Pick up the correct statement from the following: 

(A) Borrow pits are located outside the right of way 

(B) Borrow pits may be located on either side of the right of way 

(C) Spoil bank is located on one side of the right of way 

(D) All the above 

Answer: Option D 

Question No. 111

Which of the following tests measures the toughness of road aggregates? 

(A) Crushing strength test 

(B) Abrasion test 

(C) Impact test 

(D) Shape test 

Answer: Option C 

Question No. 112

Reconnaissance is best done with the help of 

(A) Aerial photographic survey 

(B) Cadastral surveys 

(C) Topographical surveys 

(D) Triangulation surveys 

Answer: Option A 

Question No. 113

To ensure that bullock carts may not overturn on curves, the maximum value of super-elevation, 

recommended by I.R.C., is 

(A) 1 in 10 

(B) 1 in 12 

(C) 1 in 15 

(D) 1 in 20 

Answer: Option C

Question No. 114

If the group index value of sub-grade is between 5 and 9, then the sub-grade is treated as 

(A) Good 

(B) Fair 

(C) Poor 

(D) Very poor 

Answer: Option C 

Question No. 115

An Executive Engineer of roads, executes works under direct control of 

(A) Superintending Engineer 

(B) Secretary to the Govt 

(C) Chief Engineer 

(D) None of these 

Answer: Option A 

Question No. 116

The distance travelled by revolving the wheel of a vehicle more than its circumferential 

movement, is known as 

(A) Slip 

(B) Skid 

(C) Neither (a) nor (b) 

(D) Both (a) and (b) 

Answer: Option B 

Question No. 117

The suitable surfacing material for a bridge deck slab is 

(A) Sheet asphalt 

(B) Bituminous carpet 

(C) Mastic asphalt 

(D) Rolled asphalt 

Answer: Option C 

Question No. 118

If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and 

average length of vehicles is 6 metres, the basic capacity of lane, is 

(A) 500 vehicles per hour 

(B) 700 vehicles per hour 

(C) 1000 vehicles per hour 

(D) 1250 vehicles per hour 

Answer: Option C 

Question No. 119

Traffic census is carried out for 

(A) Speed and delay study

(B) Road parking study 

(C) Traffic volume study 

(D) All the above 

Answer: Option D 

Question No. 120

In CBR test the value of CBR is calculated at 

(A) 2.5 mm penetration only 

(B) 5.0 mm penetration only 

(C) 7.5 mm penetration only 

(D) Both 2.5 mm and 5.0 mm penetrations 

Answer: Option D 

Question No. 121

If the radii of a compound curve and a reverse curve are respectively the same, the length of 

common tangent 

(A) Of compound curve will be more 

(B) Of reverse curve will be more 

(C) Of both curves will be equal 

(D) None of these 

Answer: Option C 

Question No. 122

The best compromise between the increase of the length of a highway and reduction in its load 

carrying capacity, is the ruling gradient 

(A) 1 in 10 

(B) 1 in 15 

(C) 1 in 20 

(D) 1 in 25 

Answer: Option C 

Question No. 123

Bottom most layer of pavement is known as 

(A) Wearing course 

(B) Base course 

(C) Sub-base course 

(D) Sub-grade 

Answer: Option D 

Question No. 124

The number of vehicles moving in a specified direction on a roadway that pass a given point during 

specified unit of time, is called 

(A) Traffic volume 

(B) Traffic density 

(C) Basic capacity

(D) Traffic capacity

Answer: Option A

Question No. 125

Ruling gradient on hill roads 300 m above M.S.L. is kept

(A) 4 %

(B) 5 %

(C) 7 %

(D) 8 %

Answer: Option B

Question No. 126

The aggregates required for one kilometre length of water bound macadam road per meter width

and for 10 mm thickness is

(A) 8 cubic meter

(B) 10 cubic meter

(C) 12 cubic meter

(D) 15 cubic meter

Answer: Option C

Question No. 127

The minimum value of camber provided for thin bituminous surface hill roads, is

(A) 2.2 %

(B) 2.5 %

(C) 3.0 %

(D) 3.5 %

Answer: Option B

Question No. 128

Roundabouts are not suitable if number of vehicles exceed

(A) 3000

(B) 4000

(C) 5000

(D) 6000

Answer: Option A

Question No. 129

The minimum design speed for hairpin bends in hill roads is taken as

(A) 20 kmph

(B) 30 kmph

(C) 40 kmph

(D) 50 kmph

Answer: Option A

Question No. 130

Thickness of a pavement may be reduced considerably by

(A) Compaction of soil

(B) Stabilisation of soil

(C) Drainage of soil

(D) Combination of all the above

Answer: Option D

Question No. 131

To compensate the loss of tractive force of vehicles along curves of radius R, the percentage

reduction of gradient, is

(A) 50/R

(B) 75/R

(C) 100/R

(D) 125/R

Answer: Option B

Question No. 132

The maximum allowable Los Angeles abrasion value for high quality surface course is

(A) 10 %

(B) 20 %

(C) 30 %

(D) 45 %

Answer: Option C

Question No. 133

The minimum ratio of the radii of two circular curves of a compound curve, is kept

(A) 1.25

(B) 1.5

(C) 1.75

(D) 2.0

Answer: Option B

Question No. 134

The distance travelled by a moving vehicle during perception and brake reaction times, is known

as

(A) Sight distance

(B) Stopping distance

(C) Lag distance

(D) None of these

Answer: Option C

Question No. 135

Rigidity factor for a tyre pressure greater than 7 kg/cm² is

(A) Equal to 1

(B) Less than 1

(C) Greater than 1

(D) Zero

Answer: Option B

Question No. 136

The formula for calculating the depth of concrete pavements suggested by Gold beck, is

(A) d = (3W/ σmax)

(B) d = √(3W/ σmax)

(C) d =√(2W/ σmax)

(D) d =√(1.5W/ σmax)

Answer: Option B

Question No. 137

If a Lemniscate curve having an angle of deflection Δ is transitional throughout the maximum polar angle is

(A) Δ/2

(B) Δ/3

(C) Δ/4

(D) Δ/6

Answer: Option D

Question No. 138

Most suitable material for highway embankments is

(A) Granular soil

(B) Organic soil

(C) Silts

(D) Clays

Answer: Option A

Question No. 139

The road foundation for modern highways construction, was developed by

(A) Tresguet

(B) Telford

(C) Tresguet and Telford simultaneously

(D) Telford and Macadam simultaneously

Answer: Option D

Question No. 140

Longitudinal pavement lines marked broken in white paint

(A) Are for the guidance of the drivers

(B) Are not to be crossed over

(C) May be crossed over at the discretion of the driver

(D) All the above

Answer: Option C

Question No. 141

The recommended grade of tar for grouting purpose is

(A) RT-1

(B) RT-2

(C) RT-3

(D) RT-5

Answer: Option D

Question No. 142

According to Highway Research Board of U.S.A. practical land width, is

(A) 2.7 m

(B) 3.0 m

(C) 3.3 m

(D) 3.6 m

Answer: Option D

Question No. 143

If the radius of a main curve is 300 m and length of the transition curve is 100 m, the angle with

tangent to locate the junction point, is

(A) 1° 11'

(B) 2° 11'

(C) 3° 11'

(D) 4° 11'

Answer: Option C

Question No. 144

Which of the following premix methods is used for base course?

(A) Bituminous carpet

(B) Mastic asphalt

(C) Sheet asphalt

(D) Bituminous bound macadam

Answer: Option D

Question No. 145

Pick up the correct statement from the following:

(A) During reconnaissance, the general route of the alignment is selected

(B) After reconnaissance, a trace is cut for the alignment

(C) Last stage is the detailed surveys for desired geometries' of the highway

(D) All the above

Answer: Option D

Question No. 146

The statement, regarding the size of stones used at the wearing surface. "The size of a stone used

on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a

smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and every

piece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievous" was

made by

(A) Telford

(B) Macadam

(C) Tresguet

(D) Sully

Answer: Option B

Question No. 147

Bitumen of grade 80/100 means

(A) Its penetration value is 8 mm

(B) Its penetration value is 10 mm

(C) Its penetration value is 8 to 10 mm

(D) Its penetration value is 8 to 10 cm

Answer: Option C

Question No. 148

Pick up the correct statement from the following:

(A) Safety fences are provided on either side of a roadway if embankments are in excess of 6

metres

(B) Safety fences are provided on outside of the curves of radii less than 750 m if the

embankments are between 3 metres and 6 metres

(C) Guard stones are provided at 2.5 metres intervals if embankments are between 1.6 metres

to 3 metres

(D) All the above

Answer: Option D

Question No. 149

I.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in

(A) 1907

(B) 1917

(C) 1027

(D) 1937

Answer: Option C

Question No. 150

The maximum spacing of contraction joints in rigid pavements is

(A) 2.5 m

(B) 3.5 m

(C) 4.5 m

(D) 5.5 m

Answer: Option C

Question No. 151

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

(A) NS²/4.4 if L > S

(B) 2S - 4.4/N if L < S

(C) 2S - 4.4/N if L > S

(D) Both (a) and (b)

Answer: Option D

Question No. 152

A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper

of

(A) 1 in 10

(B) 1 in 15

(C) 1 in 20

(D) 1 in 15 to 1 in 20

Answer: Option D

Question No. 153

Softening point of bitumen to be used for read construction at a place where maximum

temperature is 40°C should be

(A) Less than 40°C

(B) Greater than 40°C

(C) Equal to 40°C

(D) None of the above

Answer: Option B

Question No. 154

According to IRC : 52-1973, for a single lane National Highway in hilly region,

(A) Width of the carriageway must be 3.75 m

(B) Shoulders on either side must be 1.25 m

(C) Total width of the road-way must be 6.25 m

(D) Total of the above

Answer: Option D

Question No. 155

If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the

maximum polar angle of the curve, is

(A) 10°

(B) 15°

(C) 20°

(D) 30°

Answer: Option D

Question No. 156

Minimum thickness of a layer of fine sand required to cut off capillary rise of water completely,

should be

(A) 40 cm

(B) 52 cm

(C) 64 cm

(D) 76 cm

Answer: Option D

Question No. 157

The standard equation of a cubical spiral transition curve provided on roads, is

(A) y = l²/6RL

(B) y = x3/6RL

(C) y = x2/6RL

(D) y = x/6RL

Answer: Option B

Question No. 158

If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L)

of a valley curve, is

(A) NS²/4

(B) NS²/6

(C) NS²/9.6

(D) NS²/4.8

Answer: Option A

Question No. 159

To prevent compressive stresses in a rigid concrete pavement, the joint provided, is

(A) Expansion joint

(B) Contraction joint

(C) Hinged joint

(D) All the above

Answer: Option D

Question No. 160

Along high ways confirmatory route markers are generally fixed

(A) Before the crossing on the left side

(B) After the crossing on the left side

(C) Before the crossing on the right side

(D) After the crossing on the right side

Answer: Option B

Question No. 161

If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the

required super elevation is

(A) 50 cm

(B) 1 in 25

(C) 1 in 400

(D) 1 in 40

Answer: Option B

Question No. 162

If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the

length (L) of a summit curve, is

(A) NS/4

(B) NS²/4

(C) NS²/4.8

(D) NS²/9.6

Answer: Option D

Question No. 163

Super-elevation on roads in snow bound areas, should generally not exceed

(A) 15 %

(B) 12 %

(C) 10 %

(D) 7 %

Answer: Option D

Question No. 164

Passing zones are generally not provided on

(A) Summit curves

(B) Horizontal curves

(C) Two lane highways

(D) All the above

Answer: Option D

Question No. 165

In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The

average value of the vehicle's skid resistance (friction coefficient) is

(A) 0.64

(B) 6.25

(C) 0.16

(D) None of these

Answer: Option C

Question No. 166

The first stage of deciding the alignment of a hill road, is

(A) Reconnaissance

(B) Detailed survey

(C) Trace-out

(D) Preliminary survey

Answer: Option A

Question No. 167

The normal road land width for a National or State highway, in open areas should be

(A) 45 m

(B) 30 m

(C) 24 m

(D) 20 m

Answer: Option A

Question No. 168

Floating gradients are generally provided

(A) Along maximum gradients

(B) Along minimum gradients

(C) At summit curves

(D) At valley curves

Answer: Option C

Question No. 169

If cross slope of a country is upto 10% the terrain is classified as

(A) Plain

(B) Rolling

(C) Mountainous

(D) Steep

Answer: Option A

Question No. 170

Area of steel required per metre width of pavement for a length of 20 m for design wheel load

6300 kg and permissible stress in steel 1400 kg/cm2, is

(A) 70 kg/sq cm

(B) 80 kg/sq cm

(C) 90 kg/sq cm

(D) 100 kg/sq cm

Answer: Option C

Question No. 171

In case of a hair pin bend of a highway,

(A) Minimum radius of inner curve is 14 m

(B) Minimum radius of transition is 15 m

(C) Circular compound curve may be provided

(D) All the above

Answer: Option D

Question No. 172

The minimum vertical clearance of overhanging cliffs or any other structure above the surface of a

hill road, should be

(A) 3 m

(B) 4 m

(C) 5 m

(D) 6 m

Answer: Option C

Question No. 173

The camber on pavements, is provided by

(A) Straight line method

(B) Parabolic method

(C) Straight line and parabolic at crown

(D) Elliptical method

Answer: Option C

Question No. 174

One-way streets are generally provided in crowded cities as, these

(A) Are inexpensive means of traffic flow

(B) Reduce delays to vehicles

(C) Permit higher speed

(D) All the above

Answer: Option D

Question No. 175

The width of the right of way, is influenced by

(A) Formation width

(B) Shoulders or berms

(C) Classification of road

(D) All the above

Answer: Option D

Question No. 176

The maximum distance of the apex of a vertical curve of length L from the point of intersection of

two grades + g1%, and - g2% (g1 > g2), is

(A) L(g - g

(B) L(g - g

(C) L(g g

(D) L(g - g

Answer: Option C

Question No. 177

Pick up the incorrect statement from the following. On highways circular curves may be

(A) Simple curves

(B) Compound curves

(C) Reverse curves

(D) Vertical curves

Answer: Option D

Question No. 178

The desirable camber for straight roads with thin bituminous surfacing, 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 C

Question No. 179

If brakes of vehicles are effective, the vehicle-running at 30 km/hour comes to a stop in

(A) 10 metres

(B) 12 metres

(C) 15 metres

(D) 18 metres

Answer: Option B

Question No. 180

From the point of tangency before an intersection, the route markers are fixed at a distance of

(A) 15 m to 30 m

(B) 20 m to 35 m

(C) 40 m to 50 m

(D) 100 m to 150

Answer: Option D

Question No. 181

The minimum super-elevation in rolling terrain in plains, is limited to

(A) 4 %

(B) 5 %

(C) 6 %

(D) 7 %

Answer: Option D

Question No. 182

In ideal pavement is constructed with

(A) Bricks

(B) Hard soil

(C) Portland cement concrete

(D) Tar

Answer: Option C

Question No. 183

Pick up the incorrect statement from the following. If water cement ratio is

(A) Increased, strength of concrete increases

(B) Decreased, strength of concrete increases

(C) Increased, strength of concrete is not affected

(D) None of these

Answer: Option C

Question No. 184

Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst

affected by

(A) Width of the vehicle

(B) Length of the vehicle

(C) Height of the vehicle

(D) Speed of the vehicle

Answer: Option D

Question No. 185

For a comfortable travel on Highways, the centrifugal ratio should not exceed

(A) 0.10

(B) 0.15

(C) 0.20

(D) 0.25

Answer: Option D

Question No. 186

Border Roads Organisation for hilly regions (India), was formed in

(A) 1947

(B) 1954

(C) 1958

(D) 1960

Answer: Option D

Question No. 187

For a poorly graded sub-grade soil, thickness of sub-base, is

(A) 10 cm

(B) 15 cm

(C) 20 cm

(D) 30 cm

Answer: Option D

Question No. 188

The usual width of parapet walls along Highways in hilly region, is

(A) 50 cm

(B) 60 cm

(C) 70 cm

(D) 80 cm

Answer: Option B

Question No. 189

In scanty rainfall regions, the camber provided will be

(A) Nil

(B) Flatter

(C) Steeper

(D) None of these

Answer: Option B

Question No. 190

In water bound macadam roads, binding material, is

(A) Sand

(B) Stone dust

(C) Cement

(D) Brick dust

Answer: Option B

Question No. 191

Design of flexible pavement, involves

(A) Wheel loads

(B) Intensity of traffic

(C) Climate of the region

(D) Sub-grade conditions

Answer: Option C

Question No. 192

Increase in traffic volume, due to increase in transport vehicles, is known as

(A) Development traffic

(B) Normal traffic growth

(C) Generated traffic growth

(D) Current traffic

Answer: Option C

Question No. 193

Width of a rotary round should be equal to

(A) Twice the width of narrowest radial road

(B) Width of the widest road

(C) Width of the widest road plus the width of one lane

(D) Width of the widest road plus 2 metres

Answer: Option C

Question No. 194

Volume of traffic which would immediately use a new road or an improved one when opened to

traffic, is known

(A) Development traffic

(B) Current traffic

(C) General traffic

(D) Normal traffic growth

Answer: Option D

Question No. 195

Volume of traffic which is due to improvement carried out in adjacent area, is known as

(A) Development traffic

(B) Generated traffic growth

(C) Normal traffic growth

(D) Current traffic

Answer: Option A

Question No. 196

Maximum number of passenger cars that can pass a given point on a road during one hour under

the most ideal road way and traffic conditions, is known as

(A) Traffic density

(B) Basic capacity of traffic lane

(C) Possible capacity of traffic lane

(D) All the above

Answer: Option B

Question No. 197

Reference pillars fixed on the centre line of a proposed road, provide the following information:

(A) Reduced distance (R.D.)

(B) Horizontal distance of road from the centre line

(C) Reduced level at the top of pillar

(D) All the above

Answer: Option D

Question No. 198

In an ideal transition curve, the radius of curvature

(A) Is constant

(B) At any point is directly proportional to its distance from the point of commencement

(C) Is inversely proportional to the radius of main curve

(D) Is directly proportional to the radius of main curve

Answer: Option C

Question No. 199

Alignment of highways in hilly regions, is decided on

(A) Long stretch of very hard cutting

(B) Number of river crossings

(C) Natural unstable areas

(D) All the above

Answer: Option D

Question No. 200

The desirable camber for straight cement concrete roads, 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 D