Important Question for GTU Exam
1.
What is PCU? Give factors affecting PCU. Describe various
vehicular characteristics considered in traffic engineering.
2.
Explain term traffic volume. Also discuss
different methods of carrying out traffic volume studies.
3.
One kilometer section of road is covered
by three vehicles in 1 minute, 2 minute and 3 minutes. Calculate time mean
speed and space mean speed.
4.
Explain various warning signs as per IRC
with sketch. (b) Determine air resistance to a vehicle with 2.15m2
frontal area moving with 60 kmph speed. Take Ca = 0.39.
5.
Explain various methods of O and D study.
(b) A car of mass 1365kg is travelling with the speed of 40kmph on a premix
carpet road. Determine rolling resistance of the car. Take coefficient of
resistance as 0.016.
6.
Define: Luminous flux, foot candle,
Luminaire, Silhouette, Glare, Amber period, Saturation flow, Slip, Skid, Design
speed
7.
Enlist various types of traffic signals? Explain fixed time signals with its
advantages and disadvantages.
8.
Enlist the various design factors in road
lighting and explain various types of road marking as per IRC.
9.
What is traffic rotary? What are its
advantages & limitations, in particular reference to traffic conditions in
India?
10. What are the functions of traffic
engineering?
11. Explain normal resistances encountered by
a vehicle on uphill with sketch.
12. Show the conflict points on cross roads
with two way traffic on both roads & one way traffic on both roads.
13. The driver of a vehicle travelling at 80km
per hour requires 8.5m less to stop after applying the brakes up a grade, than
when travelling down the same grade. If the coefficient of friction is 0.55,
calculate: a) The percent of the gradient. b) The braking distance on the down
grade.
14.Write a short notes on “3-E’s” for road
safety.
15. Draw a sketch of a) collision diagram and
b) condition diagram.
16. How to analyses & presentation of
speed data by tabular arrangement & graphically.
17. Discuss briefly the various factors which
affect the road user characteristics and their effects in traffic performance.
18. Draw a neat sketch of Diamond interchange
and show the movement of traffic.
19.Draw sketches on lighting layout for a)
Horizontal curves of highway and b) Intersections.
20. How different vehicular characteristics do
affects road features?
21. A vehicle is accelerating on an upward
gradient of 1.5 % with a rate of 0.8m/sec2 , from initial speed of 15 to 25
km/h. Calculate various resistances encountered by the vehicle using following
data : 1. Mass of vehicle : 1500 kg. 2. Coefficient for rolling resistance:
0.02 3. Frontal area of vehicle: 3.5 m2 4. Coefficient for air resistance: 0.40
kg/m3.
22.Explain Webster’s method of signal design.
23. Prepare a check list of facilities to be
provided at any terminal. Justify your answer for each of facility to be
provided.
24.Draw a neat sketch of (i) Partial clover
leaf intersection (ii) Full clover leaf intersection. (iii) Diamond
interchange.
25. Calculate Time mean speed and Space mean speed
from the following spot speed observations in km/hr.
50,40,60,54,45,31,72,58,43,52,46,56,43,65,33.
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