Highway Engineering Part 2

Page 1 of 4

1.

Reaction time of a driver

increases with increase in speed

decreases with increase in speed

is same for all speeds

none of these

2.

The value of ruling gradient in plains as per IRC recommendation is

1 in 15

1 in 12

1 in 30

1 in 20

3.

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

75%

20%

25%

15%

4.

The maximum allowable super elevation is

1 in 18

1 in 12

1 in 15

1 in 30

5.

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

any of these

spiral

lemniscate

cubic parabola

6.

Stopping sight distance is always

less than overtaking sight distance

equal to overtaking sight distance

more than overtaking sight distance

none of the these

7.

The materials not included in highway construction are

Petrol

Soil

Stone

Dust

8.

The surface of highway pavement should be designed to allow

high rolling resistance

no rolling resistance

low rolling resistance

very high rolling resistance

9.

The camber of road should be approximately equal to

longitudinal gradient

two times the longitudinal gradient

three times the longitudinal gradient

half the longitudinal gradient

10.

In India for design of roads pedestrian is considered as

intruder in traffic

element of traffic

essential part of traffic

controller of traffic

Page 2 of 4

11.

In a proposed alignment the type of soil which will not be preferred is

hard rock

all of these

soft rock

ordinary soil

12.

Which of the following shapes is preferred in a valley curve?

lemniscate

simple parabola

cubic parabola

spiral

13.

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is called

Traffic engineering

Traffic management

Highway engineering

Railway engineering

14.

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

five times the overtaking sight distance

three times the overtaking sight distance

overtaking sight distance

two times the overtaking sight distance

15.

The layer which is constructed above embankment is called

sub base

base

sub grade

fill

16.

The highest point on a carriageway is known as

gradient

camber

crown

superelevation

17.

The sequence of four stages of survey in a highway alignment is

map study, reconnaissance, preliminary survey and detailed survey

reconnaissance, map study, preliminary survey and detailed survey

preliminary survey, map study, reconnaissance and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

18.

The equilibrium super elevation required to counteract the centrifugal force fully is given by

(0.75V)²/ 127R

V² / 127R

V²/ 27.5R

V²/ 75R

19.

For places where there is a passage of flood water then the highway has to be built on

embankment

subway

overpass

underpass

20.

The surface of the pavement should be

very rough

rough

smooth

sufficient enough to resist skid

Page 3 of 4

21.

Which of the following roads are congested during peak hours?

rural roads

highways

express ways

urban roads

22.

Enoscope is used to find

spot speed

space-mean speed

time-mean speed

average speed

23.

The slope of the line joining the crown and edge of the road surface is known as

camber

cross fall

any of these

cross slope

24.

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

1 in 30

1 in 60

1in 36

1 in 48

25.

The steepest gradient in ordinary condition should not exceed

exceptional gradient

floating gradient

ruling gradient

maximum gradient

26.

Which of the following requirement is given most importance in highway design?

functional

maintenance

seasonal

structural

27.

Camber in the road is provided for

none of these

having proper sight distance

counteracting the centrifugal force

effective drainage

28.

For highway geometric design purposes the speed used is

15th percentile

98th percentile

85th percentile

50th percentile

29.

Camber in the road is provided for

all of these

counteracting the centrifugal force

effective drainage

having proper sight distance

30.

The surface of highway pavement should be designed to allow

very high rolling resistance

high rolling resistance

low rolling resistance

no rolling resistance

Page 4 of 4

31.

Coefficient of friction is less when the pavement surface is

dry

smooth and wet

rough

smooth and dry

32.

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

zero

more than the pressure on inner wheels

less than the pressure on inner wheels

equal to the pressure on inner wheels

33.

As per IRC, the maximum width of a vehicle should be

3.8m

1.58m

2m

2.44m

34.

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

combination of straight and parabolic

straight line

elliptical

parabolic

35.

The maximum design gradient for vertical profile of a road is

ruling gradient

limiting gradient

exceptional gradient

minimum gradient

36.

Nagpur road plan formulae were prepared by assuming

radial or star and grid road pattern

rectangular or block road pattern

radial or star and block road pattern

radial or star and circular road pattern

37.

The alignment of road should cross the series of hills through

none of these

saddle

ridge

valley

38.

As per IRC the carriage way width for two lane traffic should be

7.5 m

12.5 m

15 m

10 m

39.

The design life of flexible pavement is

15

10

12

8

40.

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

4%

3%

5%

6%

Highway Engineering Part 2

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