Explore topic-wise MCQs in Highway Engineering.

This section includes 257 Mcqs, each offering curated multiple-choice questions to sharpen your Highway Engineering knowledge and support exam preparation. Choose a topic below to get started.

101.

The rate of change of radial acceleration governs the

A. length of a transition curve
B. extra width of pavement on the curve
C. length of the tangent of a simple circular curve
D. all of the above
Answer» B. extra width of pavement on the curve
102.

For walls less than 6 m in height, the thickness of the retaining wall at the bottom is equal to

A. 0.2 times the height
B. 0.3 times the height
C. 0.4 times the height
D. 0.5 times the height
Answer» D. 0.5 times the height
103.

At a road junction,

A. 5
B. 7
C. 9
D. 16
Answer» E.
104.

A barrel camber consists of

A. two straight slopes joining at the centre
B. two straight slopes with a parabolic crown in the centre
C. a continuous curve either parabolic or ellptical
D. none of the above
Answer» D. none of the above
105.

A curve whose radius gradually changes from an infinite value to a finite value or vice-versa for the purpose of giving easy change of direction of a road, is called a

A. circular curve
B. transition curve
C. simple curve
D. compound curve
Answer» C. simple curve
106.

If R is the radius of curvature of a hill road, the maximum grade compensation (in percentage) is equal to

A. 65/R
B. 75/R
C. 85/R
D. 95/R
Answer» C. 85/R
107.

In India, a curve is expressed in terms of angle in degrees subtended to the centre by an arc of

A. 25 m
B. 30 m
C. 45 m
D. 60 m
Answer» C. 45 m
108.

The instantaneous speed of a vehicle as it passes a point in a highway is known as

A. design speed
B. running speed
C. spot speed
D. overall speed
Answer» D. overall speed
109.

At the end of the reconnaissance phase, the selected alignment is pegged by using about 2m high poles on which the

A. number of peg is marked
B. direction of proposed alignment is marked
C. distance between the two pegs is marked
D. all of these
Answer» E.
110.

The value of group index of a soil varies from

A. 0 to 10
B. 0 to 20
C. 20 to 30
D. 30 to 40
Answer» C. 20 to 30
111.

The total rise or fall between any two points chosen on the alignment divided by the horizontal distance between the two points, is called

A. average gradient
B. exceptional gradient
C. ruling gradient
D. floating gradient
Answer» B. exceptional gradient
112.

According to I.R.C. recommendations, the absolute minimum radius of curve for safe operation for a design speed of 100 kmph is

A. 100 m
B. 200 m
C. 300 m
D. 400 m
Answer» E.
113.

The central portion of a road for high speed vehicles is known as

A. motor way
B. express way
C. shoulder
D. carriage way
Answer» F.
114.

Exceptional gradient should not be provided in a length more than

A. 10 m
B. 20 m
C. 50 m
D. 100 m
Answer» E.
115.

A gradient at which no tractive force is required to maintain constant speed by a vehicle is called

A. average gradient
B. limiting gradient
C. exceptional gradient
D. floating gradient
Answer» E.
116.

A curve which consists of a single are connecting two straights is known as

A. simple circular curve
B. reverse circular curve
C. cubic spiral curve
D. lamniscate
Answer» B. reverse circular curve
117.

The maximum number of vehicles that can pass a vigen point on a lane during one hour without creating unreasonable delay, is known as practical capacity.

A. Yes
B. No
Answer» B. No
118.

The traffic capacity of a highway is always

A. equal
B. more
C. less
Answer» C. less
119.

Greater the super-elevation, more will be convenience to the slow moving traffic.

A. Right
B. Wrong
Answer» C.
120.

The joints, for forming satisfactory constituents of a concrete pavement, must

A. continue to remain water-proof for all times
B. not induce structural weakness in the pavement
C. not result into deterioration in the riding quality of the pavement
D. all of the above
Answer» E.
121.

A terrain with cross-slope less than 10 percent, is called

A. steep terrain
B. mountainous terrain
C. level terrain
D. rolling terrain
Answer» D. rolling terrain
122.

According to IRC : 52-1973, for a single lane National highway in a hilly area

A. the total width of the road-way must be 6.25 m
B. the width of the carriage way must be 3.75 m
C. the shoulder on either side must be 1.25 m
D. all of the above
Answer» E.
123.

Highway capacity is defined as the total number of vehicles

A. that can be accomodated on a unit length of the road
B. that can pass a given point in a unit period of time
C. that can pass a given point in a specified period of time
D. none of the above
Answer» C. that can pass a given point in a specified period of time
124.

The purpose of traffic surveys is to

A. know the type of traffic
B. determine the facilities to traffic regulations
C. design proper drainage system
D. all of the above
Answer» E.
125.

The overall height of the vehicle determines the

A. width of the pavement needed for the highway
B. width of the bridges on the highway
C. lengths of the valley curves at the underpasses in the city areas
D. hight of the tunnels along the highways
Answer» F.
126.

The longitudinal levels, in detailed survey of a hill road, should be taken at

A. 4 m
B. 6 m
C. 8 m
D. 10 m
Answer» E.
127.

The sub-grade is the final load carrying part of the structure.

A. True
B. False
Answer» B. False
128.

The structure of a road is composed of

A. sub-grade
B. sub-base
C. base
D. all of these
Answer» E.
129.

The speed that a driver adopts on a highway depends on the

A. Physical characteristics of the highway and its surroundings
B. weather conditions in the area
C. speed limitations placed upon the vehicles
D. all of the above
Answer» E.
130.

The increase in traffic volume, due to the general increase in the number of transport vehicles, from year to year, is known as

A. normal traffic growth
B. generated traffic
C. development traffic
D. existing traffic
Answer» B. generated traffic
131.

A breast wall is usually constructed on the hill side of the roadway.

A. Agree
B. Disagree
Answer» B. Disagree
132.

The traffic census is carried out to study

A. speed and delay
B. traffic volume
C. road parking
D. origin and destination
Answer» D. origin and destination
133.

The city roads which are meant for through traffic usually on a continuous route are known as

A. carriage-way
B. express way
C. arterial streets
D. sub-arterial streets
Answer» D. sub-arterial streets
134.

The parapet walls are usually required on the valley side of the roadway, in order to

A. retain the earth from slippage
B. properly guide the vehicles to the roadway
C. provide a good drainage system
D. keep the road dry
Answer» C. provide a good drainage system
135.

A curve at the ridge of a hill having a convex shape is called a

A. valley curve
B. summit curve
C. re-entrant curve
D. salient curve
Answer» E.
136.

The side drains are provided on both sides of the roadway, when the road is

A. in cutting
B. along salient curve
C. along re-entrant curve
D. all of these
Answer» B. along salient curve
137.

The California bearing ratio (CBR) method of flexible pavement design gives an idean about

A. the quality of road making material
B. the traffic intensities
C. the characteristics of soil
D. all of these
Answer» B. the traffic intensities
138.

The thickness of the parapet wall, on the valley side of the roadway, is usually kept as

A. 20 cm
B. 40 cm
C. 60 cm
D. 80 cm
Answer» D. 80 cm
139.

The maximum number of vehicles that can pass a given point on a lane or a roadway during one hour under the prevailing roadway and traffic conditions, is known as

A. basic capacity of a traffic lane
B. possible capacity of a traffic lane
C. practical capacity of a traffic lane
D. all of these
Answer» C. practical capacity of a traffic lane
140.

Retaining wall is constructed usually on the

A. hill side
B. valley side
Answer» C.
141.

When the exposed surface of a pavement dries and shrinks more than the underlying concrete, a phenomenon known as

A. hardening
B. warping
C. crazing
Answer» D.
142.

The minimum thickness of the base of a flexible pavement is kept as

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
Answer» C. 15 cm
143.

The natural soil on which the pavement rests and to which the entire load of structure is ultimately transferred, is known as the

A. base of road
B. sub-base of road
C. sub-grade of road
D. all of these
Answer» D. all of these
144.

The rate of rise or fall of the road surface along its length, is called

A. cant
B. super-elevation
C. gradient
D. banking
Answer» D. banking
145.

The depth of relinforcement, below the surface of pavement, is kept as

A. 25 mm
B. 50 mm
C. 75 mm
Answer» C. 75 mm
146.

The universally recognized factor which affects the flexible pavement design, is the

A. characteristics of the natural soil which underlies the pavement
B. volume and character of traffic that will use the highway
C. drainage condition of the area
D. all of the above
Answer» E.
147.

A ater bound macadam road is an example of

A. rigid pavement
B. semi-rigid pavement
C. flexible pavement
D. none of these
Answer» D. none of these
148.

In water-bound Macadam roads

A. small broken stones are laid in two layers
B. voids between the stones are filled by stone dust
C. camber for drainage is given at the formation level itself
D. all of the above
Answer» E.
149.

For the water-bound macadam road, the recommended camber is

A. 1 in 24 to 1 in 30
B. 1 in 30 to 1 in 48
C. 1 in 60 to 1 in 80
D. 1 in 80 to 1 in 120
Answer» C. 1 in 60 to 1 in 80
150.

The Central Road Research Institute (C.R.R.I.) was started in Delhi, in

A. 1951
B. 1955
C. 1964
D. 1965
Answer» B. 1955