Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 7th Sem New 2170613 Traffic Engineering Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2170613 Date:10/05/2019
Subject Name:Traffic Engineering
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define: 1) Design speed 2) Operational delay 3) free flow operating
speed.
03
(b) What are the functions of traffic engineering? 04
(c) Explain normal resistances encountered by a vehicle on uphill with
sketch
07
Q.2 (a) Write the name of IRC Code for
a) ?Practice for road signs?
b) ?Guidelines on Design and Installation of Road Traffic Signals?
c) ?Practice for road markings?.
03
(b) Show the conflict points on cross roads with two way traffic on both
roads & one way traffic on both roads.
04
(c) 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.
07
OR
(c) Explain the various aspects of human vision considered in traffic
engineering.
07
Q.3 (a) What are the several factors which affect the speed of vehicle? 03
(b) Write the objects of traffic volume studies. 04
(c) Write a short notes on ?3-E?s? for road safety. 07
OR
Q.3 (a) State the purposes of origin & destination studies. 03
(b) Draw a sketch of a) collision diagram and b) condition diagram. 04
(c) How to analyses & presentation of speed data by tabular
arrangement & graphically.
07
Q.4 (a) What are interchange ramps? With sketches show different types of
interchanges and mention their advantages.
03
(b) Draw a neat sketch of a full cloverleaf & partial cloverleaf and show
the movement of traffic.
04
(c) Explain briefly the principle of Webster?s method of signal design.
Mention the advantages of this method.
07
OR
Q.4 (a) Define: 1) Saturation flow 2) PCU 3) Amber period 03
(b) Discuss briefly the various factors which affect the road user
characteristics and their effects in traffic performance.
04
(c) Explain various warning signs as per IRC with sketch. 07
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2170613 Date:10/05/2019
Subject Name:Traffic Engineering
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define: 1) Design speed 2) Operational delay 3) free flow operating
speed.
03
(b) What are the functions of traffic engineering? 04
(c) Explain normal resistances encountered by a vehicle on uphill with
sketch
07
Q.2 (a) Write the name of IRC Code for
a) ?Practice for road signs?
b) ?Guidelines on Design and Installation of Road Traffic Signals?
c) ?Practice for road markings?.
03
(b) Show the conflict points on cross roads with two way traffic on both
roads & one way traffic on both roads.
04
(c) 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.
07
OR
(c) Explain the various aspects of human vision considered in traffic
engineering.
07
Q.3 (a) What are the several factors which affect the speed of vehicle? 03
(b) Write the objects of traffic volume studies. 04
(c) Write a short notes on ?3-E?s? for road safety. 07
OR
Q.3 (a) State the purposes of origin & destination studies. 03
(b) Draw a sketch of a) collision diagram and b) condition diagram. 04
(c) How to analyses & presentation of speed data by tabular
arrangement & graphically.
07
Q.4 (a) What are interchange ramps? With sketches show different types of
interchanges and mention their advantages.
03
(b) Draw a neat sketch of a full cloverleaf & partial cloverleaf and show
the movement of traffic.
04
(c) Explain briefly the principle of Webster?s method of signal design.
Mention the advantages of this method.
07
OR
Q.4 (a) Define: 1) Saturation flow 2) PCU 3) Amber period 03
(b) Discuss briefly the various factors which affect the road user
characteristics and their effects in traffic performance.
04
(c) Explain various warning signs as per IRC with sketch. 07
2
Q.5 (a) Draw a neat sketch of Diamond interchange and show the
movement of traffic.
03
(b) Draw a sketches on lighting layout for
a) Horizontal curves of highway and
b) Intersections.
04
(c) Explain the various design factors in road lighting. 07
OR
Q.5 (a) Define: Luminous flux, foot candle, Luminaire 03
(b) What are the objects of highway lighting? Explain silhouette &
reverse silhouette.
04
(c) What is traffic rotary? What are its advantages & limitations, in
particular reference to traffic conditions in India?
07
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This post was last modified on 20 February 2020