Deck 8: Design and Traffic Flow

Question 1

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

A)30 cm
B)45 cm
C)60 cm
D)75 cm

Answer 1

45 cm

Question 2

A vehicle while passing from a straight to a curved path, is under the infludnce of the weight of the vehicle and the centrifugal force.

Answer 2

True

Question 3

The number of vehicles passing at a point on the highway in unit time is known as

A)traffic capacity
B)traffic volume
C)traffic density
D)all of these

Answer 3

traffic capacity

Question 4

Tie bars in longitudinal joints in concrete pavements

A)ensure firm contact between slab faces
B)prevent abutting slabs from separating along the longitudinal joint
C)act as load transfer devices
D)all of the above

Question 5

The thickness of base, in no case, whould be more than

A)10 cm
B)15 cm
C)20 cm
D)30 cm

Question 6

The portion of a road surface, which is used by vehicular traffic, is known as

A)carriage-way
B)shoulder
C)express way
D)all of these

Question 7

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

Question 8

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

Question 9

The practical capacity of a highway is

A)same as
B)less than
C)more than

Question 10

Class-3 roads are designed to carry jeeps.

Question 11

A curve at the valley between two hills having a concave shape is called a valley curve.

A)Right
B)Wrong

Question 12

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

Question 13

The factor which governs the installation of signals, is

A)minimum vehicular volume from different streets at an intersection
B)minimum pedestrian volume of an intersection
C)need for interruption of high volume continuous traffic on main street
D)all of the above

Question 14

Transverse contraction joints relieve

A)compressive
B)tensile
C)shear

Question 15

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

Question 16

Class-5 roads are designed to carry 3-tonne vehicles.

Question 17

Exceptional gradient should not be provided in a length more than

A)10 m
B)20 m
C)50 m
D)100 m

Question 18

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

A)25 mm
B)50 mm
C)75 mm

Question 19

The design capacity is also known as

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

Question 20

A cement concrete road is an example of semi-rigid pavement.

Question 21

Which of the following statement is correct?

A)Seasonal cycle of traffic volume during April and November is usually near the annual average.
B)Mid-summer seasonal cycle of traffic is the least of traffic volume.
C)Mid-winter seasonal cycle of traffic is the highest of traffic volume.
D)all of the above

Question 22

Which of the following statement is correct?

A)The amount of camber depends upon the rainfall of that area in which the road is to be constructed.
B)The steeper the camber of road, the more inconvenient it is for the traffic.
C)On a pavement with parabolic camber, the angle of inclination of the vehicles will be more at the edges.
D)all of the above

Question 23

The overall width of a 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 area
D)height of the tunnels along the highway
E)Both (a) and (b)

Question 24

Formation width on curves of motorable road carrying a total load above 400 tonnes per day is kept as

A)4 m
B)5 m
C)7.25 m
D)11 m

Question 25

Plastic cracks due to shrinkage are developed immediately after the concrete starts hardening.

A)Correct
B)Incorrect