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Highway Engineering MCQ Questions & Answers

Highway Engineering MCQs : This section focuses on the "Highway Engineering". These Multiple Choice Questions (MCQs) should be practiced to improve the Highway Engineering skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

For rapid curing cutbacks, the oil used is

A. gasoline
B. kerosene oil
C. light diesel
D. heavy diesel

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Question 2

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

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Question 3

The head light of vehicles should be such that its lower beam illuminates objects at

A. 10 m
B. 20 m
C. 30 m
D. 40 m

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Question 4

Traffic surveys are carried out

A. to know the type of traffic
B. to determine the facilities to traffic regulations
C. to design proper drainage system
D. all the above.

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Question 5

“Dead Slow” is a

A. regulatory sign
B. warning sign
C. informatory sign
D. none of the above

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Question 6

Bottom most layer of pavement is known as

A. wearing course
B. base course
C. sub-base course
D. subgrade

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Question 7

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.

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Question 8

Camber in the road is provided for

A. effective drainage
B. counteracting the centrifugal force
C. having proper sight distance
D. none of the above

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Question 9

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.

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Question 10

The longest international highway is:

A. Pan-American highway
B. Trans-Canada highway
C. Karakoram highway
D. Australia highway 1

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Question 11

Which of the following is considered to be the highest quality construction in the group of black top pavements?

A. Mastic asphalt
B. Sheet asphalt
C. Bituminous carpet
D. Bituminous concrete

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Question 12

The ductility value of bitumen for suitability in road construction should not be less than

A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm

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Question 13

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

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Question 14

The terrain may be classified as rolling terrain if the cross slope of land is

A. upto 10%
B. between 10% and 25%
C. between 25% and 60%
D. more than 60%

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Question 15

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

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Question 16

A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is

A. 1 in 40
B. 1 in 50
C. 1 in 60
D. 1 in 70

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Question 17

The shoulder provided along the road edge should be

A. rougher than the traffic lanes
B. smoother than the traffic lanes
C. of same colour as that of the pavement
D. of very low load bearing capacity

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Question 18

The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is

A. 0.1 %
B. 1 %
C. 10%
D. no compensation

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Question 19

Desire lines are plotted in

A. traffic volume studies
B. speed studies
C. accident studies
D. origin and destination studies

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Question 20

The aggregates required for one kilometer 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

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Question 21

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

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Question 22

How many types of pavement surfaces are there?

A. 4
B. 5
C. 6
D. 2

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Question 23

The thickness of bituminous carpet varies from

A. 20 to 25 mm
B. 50 to 75 mm
C. 75 to 100 mm
D. 100 to 120 mm

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Question 24

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

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Question 25

Select the correct statement.

A. More the value of group index, less thickness of pavement will be required
B. More the value of CBR, greater thickness of pavement will be required
C. Minimum and maximum values of group index can be 0 and 20 respectively
D. All of the above

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Question 26

Width of vehicles affects the width of

A. lanes
B. shoulders
C. parking spaces
D. all the above.

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Question 27

For the design of super elevation for mixed traffic conditions, the speed is reduced by

A. 15%
B. 20%
C. 25%
D. 75%

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Question 28

The provision of traffic signals at intersections

A. reduces right angled and rear end collisions
B. increases right angled and rear end collisions
C. reduces right angled collisions but may increase rear end collisions
D. reduces rear end collisions but may increase right angled collisions

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Question 29

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.

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Question 30

Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?

A. mastic asphalt
B. sheet asphalt
C. bituminous carpet
D. bituminous concrete

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Question 31

The critical combination of stresses for corner region in cement concrete roads is

A. Load stress + warping stress frictional stress
B. Load stress + warping stress + frictional stress
C. Load stress + warping stress
D. Load stress + frictional stress

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Question 32

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.

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Question 33

The maximum design gradient for vertical profile of a road is

A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient

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Question 34

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.

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Question 35

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

A. 131 m
B. 210 m
C. 360 m
D. none of these.

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Question 36

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%

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Question 37

For design, that length of transition curve should be taken which is

A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)

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Question 38

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

A. spiral
B. lemniscate
C. cubic parabola
D. any of the above

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Question 39

Reaction time of a driver

A. increases with increase in speed
B. decreases with increase in speed
C. is same for all speeds
D. none of the above

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Question 40

Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?

A. road side interview method
B. license plate method
C. return postcard method
D. home interview method

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Question 41

If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is

A. 1500 vehicles per hour
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 3000 vehicles per hour

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Question 42

With increase in speed of the traffic stream, the maximum capacity of the lane

A. increases
B. decreases
C. first increases and then decreases after reaching a maximum value at optimum speed
D. first decreases and then increases after reaching a minimum value at optimum speed

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Question 43

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

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Question 44

A prime coat is low viscosity asphalt emulsion used to create bond between existing pavement and new asphalt overlay.

A. True
B. False

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Question 45

As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is

A. 1 in 15
B. 1 in 12.5
C. 1 in 10
D. equal to camber

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Question 46

Tie bars in cement concrete pavements are at

A. expansion joints
B. contraction joints
C. warping joints
D. longitudinal joints

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Question 47

The maximum limit of water absorption for aggregate suitable for road construction is

A. 0.4 %
B. 0.6 %
C. 0.8 %
D. 1.0 %

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Question 48

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

A. 2.20%
B. 2.50%
C. 3.00%
D. 3.50%

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Question 49

The ruling design speed on a National Highway in plain terrain as per IRC recommendations is

A. 60 kmph
B. 80 kmph
C. 100 kmph
D. 120 kmph

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Question 50

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.

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Question 51

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.

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Question 52

Enoscope is used to find

A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed

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Question 53

If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

A. 3 %
B. 4%
C. 5 %
D. 6%

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Question 54

The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as

A. spot maps
B. pie charts
C. condition diagram
D. collision diagram

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Question 55

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

A. rolling
B. mountainous
C. steep
D. plain.

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Question 56

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

A. bituminous carpet
B. mastic asphalt
C. sheet asphalt
D. bituminous bound macadam

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Question 57

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

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Question 58

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.

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Question 59

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

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Question 60

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

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Question 61

The desirable length of overtaking zone as per IRC recommendation is equal to

A. overtaking sight distance
B. two times the overtaking sight distance
C. three times the overtaking sight distance
D. five times the overtaking sight distance

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Question 62

The shape of the camber, best suited for cement concrete pavements, is

A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic

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Question 63

If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is

A. 2500 vehicles per day
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 1000 vehicles per hour

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Question 64

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

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Question 65

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.

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Question 66

When the speed of traffic flow becomes zero,then

A. traffic density attains maximum value whereas traffic volume becomes zero
B. traffic density and traffic volume both attain maximum value
C. traffic density and traffic volume both become zero
D. traffic density becomes zero whereas traffic volume attains maximum value

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Question 67

With increase in speed of the traffic stream, the minimum spacing of vehicles

A. increases
B. decreases
C. first decreases and then increases after reaching a minimum value at optimum speed
D. first increases and then decreases after reaching a maximum value at optimum speed

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Question 68

The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is

A. 1000
B. 10000
C. 100000
D. 1000000

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Question 69

In case of hill roads, the extra widening is generally provided

A. equally on inner and outer sides of the curve
B. fully on the inner side of the curve
C. fully on the outer side of the curve
D. one-fourth on inner side and three-fourth on outer side of the curve

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Question 70

Which of the following is known as design capacity ?

A. basic capacity
B. theoretical capacity
C. possible capacity
D. practical capacity

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Question 71

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

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Question 72

Maximum super-elevation on hill roads should not exceed

A. 5%
B. 7%
C. 8%
D. 10%

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Question 73

The design consideration of highways doesn’t include:

A. Settlement
B. Cross section
C. Level of service
D. Sight distance

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Question 74

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

A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm

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Question 75

If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be

A. zero
B. 64m
C. 80m
D. 60m

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Question 76

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

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Question 77

The administration of highway projects depends on __________ factors.

A. 2
B. 5
C. 3
D. 6

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Question 78

The entrance and exit curves of a rotary have

A. equal radii and equal widths of pavement
B. equal radii but pavement width is more at entrance than at exit curve
C. equal pavement widths but radius is more at entrance curve than at exit curve
D. different radii and different widths of pavement

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Question 79

The attainment of super elevation by rotation of pavement about the inner edge of the pavement

A. is preferable in steep terrain
B. results in balancing the earthwork
C. avoids the drainage problem in flat terrain
D. does not change the vertical alignment of road

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Question 80

The most efficient traffic signal system is

A. simultaneous system
B. alternate system
C. flexible progressive system
D. simple progressive system

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Question 81

If the group index value of subgrade is between 5 and 9, then the subgrade is treated as

A. good
B. fair
C. poor
D. very poor

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Question 82

The weaving length of a roadway is the distance

A. between the channelising islands
B. equal to half circumference
C. equal to total width of adjoining radial roads
D. equal to diameter of rotary.

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Question 83

__________ is used in shaping the surface of sand-clay roads.

A. Hoes and rakes
B. Mattocks and bush hooks
C. Drag scraper
D. Plow

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Question 84

As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during

A. harvesing
B. lean season
C. harvesting and lean season
D. none of these.

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Question 85

If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression

A. 0.38 N V3/2
B. 0.38 (NV3)”2
C. 3.8 NV”2
D. 3.8 (NV3)”2

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Question 86

Travel patterns are determined by compiling a profile of ___________ and ___________ of all journeys made within the area.

A. Origin, destination
B. Mode, destination
C. Origin, speed
D. Mode, speed

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Question 87

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

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Question 88

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

A. 1 in 30
B. 1 in 36
C. 1 in 48
D. 1 in 60

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Question 89

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 km ph, is

A. 16.0 m
B. 42.3 m
C. 84.6 m
D. none of these.

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Question 90

As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is

A. 10 lux
B. 15 lux
C. 20 lux
D. 30 lux

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Question 91

Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is

A. 1
B. 2
C. 0.5
D. 10

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Question 92

If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be

A. less than b/2h and greater than co-efficient of lateral friction
B. less than b/2h and also less than co-efficient of lateral friction
C. greater than b/2h and less than co-efficient of lateral friction
D. greater than b/2h and also greater than coefficient of lateral friction

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Question 93

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

A. Spanglar
B. Picket
C. Kelly
D. Goldbeck

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Question 94

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

A. more than the pressure on inner wheels
B. less than the pressure on inner wheels
C. equal to the pressure on inner wheels
D. zero

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Question 95

Length of a vehicle affects

A. width of traffic lanes
B. extra width of pavement and minimum turning radius
C. width of shoulders and parking facilities
D. clearance to be provided under structures such as overbridges, under-bridges etc.

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Question 96

Maximum number of vehicles can be parked with

A. parallel parking
B. 30° angle parking
C. 45° angle parking
D. 90° angle parking

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Question 97

Design of flexible pavements is based on

A. mathematical analysis
B. empirical formulae
C. a compromise of pure theory and pure empirical formula
D. none of these.

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Question 98

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

A. 30 cm
B. 40 cm
C. 45 cm
D. 50 cm

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Question 99

The absolute minimum radius of curve for safe operation for a speed of 110 kmph is

A. 110 m
B. 220 m
C. 440 m
D. 577 m

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Question 100

According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is

A. 8.9 m
B. 7.9 m
C. 6.9 m
D. 6.5 m

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Question 101

The fundamental factor in the selection of pavement type is

A. climatic condition
B. type and intensity of traffic
C. subgrade soil and drainage conditions
D. availability of funds for the construction project

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Question 102

In India roads are classified into ________ based on location.

A. 6
B. 3
C. 4
D. 5

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Question 103

In water bound macadam roads, binding material, is

A. sand
B. stone dust
C. cement
D. brick dust.

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Question 104

Highway facilities are designed for

A. annual average hourly volume
B. annual average daily traffic
C. thirtieth highest hourly volume
D. peak hourly volume of the year

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Question 105

Percentage of free carbon in bitumen is

A. more than that in tar
B. less than that in tar
C. equal to that in tar
D. none of the above

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Question 106

When two equally important roads cross roughly at right angles, the suitable shape of central island is

A. circular
B. elliptical
C. tangent
D. turbine

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Question 107

If aggregate impact value is 20 to 30 percent, then it is classified as

A. exceptionally strong
B. strong
C. satisfactory for road surfacing
D. unsuitable for road surfacing

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Question 108

In car – centred approach, ___________ has been considered.

A. Importance of transport
B. Managing existing roads for future traffic
C. Controlling demand for transportation
D. Future increase in traffic demand

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Question 109

___________ can provide a 3-5 dB reduction in tyre-pavement noise emissions.

A. Asphalt
B. Bituminous
C. Rubberised asphalt
D. Concrete

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Question 110

The most suitable equipment for compacting clayey soils is a

A. smooth wheeled roller
B. pneumatic tyred roller
C. sheep foot roller
D. vibrator

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Question 111

The camber of shoulders in water bound macadam roads is

A. equal to the cross slope of pavement
B. less than the cross slope of pavement
C. greater than the cross slope of pavement
D. zero

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Question 112

The function of an expansion joint in rigid pavements is to

A. Relieve warping stresses
B. Relieve shrinkage stresses
C. Resist stresses due to expansion
D. Allow free expansion

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Question 113

The stopping sight distance depends upon

A. total reaction time of driver
B. speed of vehicle
C. efficiency of brakes
D. all of the above

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Question 114

In hill roads the side drains arc provided

A. only on the hill side of road
B. only on the opposite side of hill
C. on both sides of road
D. none of the above

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Question 115

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.

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Question 116

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

A. circular
B. cubic parabola
C. Lemniscate
D. spiral.

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Question 117

Most suitable material for highway embankments is

A. granular soil
B. organic soil
C. silts
D. clays

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Question 118

The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as

A. stop lines
B. turn markings
C. crosswalk lines
D. lane lines

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Question 119

RC-2, MC-2 and SC-2 correspond to

A. same viscosity
B. viscosity in increasing order from RC-2 to SC-2
C. viscosity in decreasing order from RC-2 to SC-2
D. none of the above

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Question 120

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.

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Question 121

Border Roads Organisation for hilly regions, was formed in

A. 1947
B. 1954
C. 1958
D. 1960

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