Download GTU B.Tech 2020 Winter 6th Sem 2160603 Railway, Bridge And Tunnel Engineering Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 6th Sem 2160603 Railway, Bridge And Tunnel Engineering Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VI (NEW) EXAMINATION ? WINTER 2020
Subject Code:2160603 Date:27/01/2021
Subject Name:Railway, Bridge & Tunnel Engineering
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.
Q.1 (a) Discuss about development of Indian railway.
03

(b) Explain the various defects in Bridges.
04

(c) Explain the basic requirements of an ideal alignment.
07


Q.2 (a) Define : (i) Negative super elevation (ii) Creep of rail (iii) Sleepers
03

(b) Explain the coning of wheels with neat sketch.
04

(c) What is Ballast? Write Function and requirement of good ballast.
07




Q.3 (a) Draw a sketch of turnout and explain its components.
03

(b) Using a sleeper density of n+5, find out the number of sleeper required
04
for constructing a railway track 900 meters long (B.G. track).

(c) Write short note on " Bridge architecture".
07




Q.4 (a) Which facilities are required at railway station?
03

(b) Draw a sketch of diamond crossing in railways and list the important
04
features.

(c) State the purposes of bearings in a bridge and explain rocker and roller
07
bearings with sketch.



Q.5 (a) Define : (i) Economic span (ii) Afflux (iii) Free board
03

(b) Explain Track Drainage.
04

(c) Write method of erection of steel girder bridges.
07



Q.6 (a) Define : (i) Scour depth (ii) Linear waterway (iii) HFL
03

(b) List the different types of spikes with sketch and their uses also.
04

(c) Explain the river training works for bridges.
07



Q.7 (a) Define shaft and give advantages of shaft.
03

(b) List the methods of tunnelling in hard rock and explain any one.
04

(c) Why drainage is necessary in tunnel? Discuss various drainage systems
07
for tunnel.



Q.8 (a) Write short notes on "Dust control in tunnel".
03
(b) List the methods of tunnelling in soft ground and explain any one.
04
(c) Explain various methods of tunnel ventilation.
07

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