Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem Old 160603 Railway Bridge And Tunnel Engineering Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (OLD) EXAMINATION ? WINTER 2018
Subject Code:160603 Date: 16/11/2018
Subject Name: Railway Bridge & Tunnel 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) Discuss the role played by Railways in overall development of a nation. Draw a
neat sketch of typical Railway Track and show its components.
07
(b)
Explain loading gauge and construction gauge with figure.
07
Q.2 (a)
Define permanent way. What are the requirements of ideal permanent way?
07
(b)
Briefly explain semaphore signals and coloured light signals.
07
OR
(b)
Write a short note on scissors cross over
07
Q.3 (a)
Discuss methods of testing and strengthening of bridges.
07
(b)
Explain various types of rails with sketches
07
OR
Q.3 (a) Describe with sketches: (i) Coning of wheels, (ii) Creep of rails. 07
(b)
Briefly explain the factors affecting selection of bridge site.
07
Q.4 (a)
Write short note on safety precautions in tunneling.
07
(b) Explain with formulae for the bridges: Design discharge, Linear water way,
Afflux, Scour depth, Economical span.
07
OR
Q.4 (a) Explain with sketch tunnel ventilation 07
(b) What are the different types of bearings used in bridges? Discuss their
relative merits.
07
Q.5 (a) Describe with sketches procedure of fixing alignment in short and long tunnels. 07
(b) What do you understand by ?Economic Span of Bridge?? Derive the necessary
expression for obtaining economic span of the bridge.
07
OR
Q.5 (a) Enlist various methods of tunnelling in hard rock. Explain any one in detail. 07
(b) State the classification of bridges based on different factors. 07
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This post was last modified on 20 February 2020