Traffic Engineering and Management (3160615) MCQs

MCQs of Basic Traffic Flow Parameter and Traffic Surveys

Showing 31 to 40 out of 64 Questions
1 2 3 4 5 6
31.

With increase in traffic speed, traffic density _______________.

(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 maximum value at optimum speed
Answer:

Option (b)

32.

The space headway in a traffic stream is 40 m; then the density of the stream (veh/km) will be ________.

(a)

960
(b)

25
(c)

100
(d)

0.04
Answer:

Option (b)

33.

Space headway is defined as _______________.

(a)

Length of vehicle from front to back bumper
(b)

Space gap between two successive vehicles
(c)

Distance between common points of successive vehicles
(d)

Length from centre of one vehicle to the centre of another
Answer:

Option (c)

34.

Which of the following is not true under jam density conditions?

(a)

Flow is zero
(b)

Speed is average
(c)

Density is maximum
(d)

Speed is zero
Answer:

Option (b)

35.

Which of the following is true under critical density conditions?

(a)

Speed is maximum 
(b)

Density is maximum 
(c)

Headway is maximum
(d)

Flow is maximum
Answer:

Option (d)

36.

What is the value of time gap between two vehicles, if the time headway between the vehicles is 6 sec, average length of a vehicle is 5 m and the average space mean speed of the traffic stream is 10 m/sec?

(a)

6 sec
(b)

1 sec
(c)

5.5 sec
(d)

4 sec
Answer:

Option (c)

37.

A linear relationship exists between speed and density on a study road. The free flow speed observed was 60 km/hr and the jam density found was 120 veh/km per lane. The values of maximum flow expected and the corresponding speed would be _________________________ respectively.

(a)

7200 veh/hr and 60 km/hr
(b)

3600 veh/hr and 60 km/hr
(c)

1800 veh/hr and 30 km/hr
(d)

900 veh/hr and 20 km/hr
Answer:

Option (c)

38.

If "k" is traffic density, "q" is traffic flow and "v" is traffic speed, then the relationship ___________ is correct.

(a)

q = k x v
(b)

k = q - v
(c)

v = q x k
(d)

q = k + v
Answer:

Option (a)

39.

Free flow speed on a lane was 60 km/hr and jam density was 90 veh/km. The maximum flow in veh/hr that could be expected on this lane is ___________.

(a)

5400
(b)

2700
(c)

2750
(d)

1350
Answer:

Option (d)

40.

On an urban road, free mean speed was 60 km/hr and the average spacing headway under jam condition was 8 m. The value of maximum flow (veh/hr) per lane for this road would be equal to ___________.

(a)

7500
(b)

1875
(c)

3750
(d)

1750
Answer:

Option (b)

Showing 31 to 40 out of 64 Questions
1 2 3 4 5 6