Deck 2: Road Construction and Design: Part B

Question 1

A parapet well is usually constructed on the

A)hill side
B)valley side

Answer 1

valley side

Question 2

Summit curves are required to be introduced at the situations where

A)a positive grade meets a negative grade
B)a positive grade meets another milder positive grade
C)a negative grade meets a steeper negative grade
D)all of the above

Answer 2

all of the above

Question 3

Class-9 roads are designed to carry

A)jeeps
B)1-tonne vehicles
C)3-tonne vehicles
D)10 tonne vehicles

Answer 3

3-tonne vehicles

Question 4

Which of the following statement is wrong?

A)Where the traffic flow is uninterrupted, the design capacity of a road is numerically equal to practical capacity.
B)The design capacity, normally, is a term applied to existing highways.
C)The practical capacity, normally, is a term applied to new highways.
D)all of the above

Question 5

The stopping sight distance depends upon the

A)reaction time
B)braking time
C)speed of vehicle
D)all of these

Question 6

The parking of vehicles is usually preferred at 75° to the aisles.

Question 7

Kautilya got constructed a National Highway connecting North West Fronter Province and Patna in about.

A)295 B.C.
B)300 B.C.
C)310 B.C.
D)337 B.C.

Question 8

In large cities, especially in congested areas, one way streets are provided in order to

A)reduce to a minimum the possible conflicting points
B)increase the carrying capacity of the street
C)eliminate, at night, the glare from head lamps of opposite vehicles
D)all of the above

Question 9

The camber, for the drainage of surface water, was first introduced by

A)Telford
B)Tresaguet
C)Sully
D)Macadam

Question 10

For transportation purposes in India, the first preference is given to

A)air lines
B)roads
C)shipping
D)railways

Question 11

Which of the following statement is wrong?

A)A summit curve is provided where a positive grade meets a negative grade.
B)A circular curve may be a reverse curve.
C)A transition curve tends to counteract the swaying outwards of a vehicle.
D)none of the above

Question 12

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

A)cross-fall
B)corss-slope
C)camber
D)any one of these

Question 13

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

Question 14

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

Question 15

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

Question 16

The opportunities to cross slow moving traffic at intervals is not provided in case of

A)two-lane highways
B)three-lane highways
C)four lane highways
D)all of these

Question 17

The Central Road Research Institute is controlled by

A)Shipping and Transport
B)Science and Technology
C)Planning
D)Finance

Question 18

For walls more than 6 m in height, thickness of retaining wall at the bottom is equal to 0.4 times the height plus

A)10 cm
B)20 cm
C)30 cm
D)40 cm

Question 19

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

Question 20

The longest road constructed during the time of Shershah Suri was from

A)Delhi to Kolkata (Calcutta)
B)Lahore to Delhi
C)Lahore to Kolkata (Calcutta)
D)Lahore to Agra

Question 21

The value of maximum gradient for hill roads is

A)1 in 5
B)1 in 10
C)1 in 15
D)1 in 20

Question 22

The height of the parapet wall is usually kept as

A)25 cm
B)50 cm
C)75 cm
D)100 cm

Question 23

While deriving the formulae for the length of valley curve, it is assumed that the head light is

A)0.25 m
B)0.5 m
C)0.75 m
D)1 m

Question 24

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

A)1927
B)1934
C)1947
D)1951

Question 25

The main object of providing a camber is

A)to make the road surface impervious
B)to make the road surface durable
C)to drain off rain water from road surface, as quickly as possible
D)all of the above