GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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Subject Code: 160603
GUJARAT TECHNOLOGICAL UNIVERSITY
Subject Name: Railway Bridge & Tunnel Engineering
Time: 02:30 PM TO 05:00 PM
Instructions:
1. Attempt all questions.
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
Q.1 (b) Explain loading gauge and construction gauge with figure. 07
Q.2 (b) Briefly explain semaphore signals and coloured light signals. 07
OR
Q.3 (a) Write a short note on scissors cross over 07
Q.3 (b) Discuss methods of testing and strengthening of bridges. 07
OR
Q.4 (b) Describe with sketches: (i) Coning of wheels, (ii) Creep of rails. 07
Q.5 (a) Briefly explain the factors affecting selection of bridge site. 07
Q.5 (b) Write short note on safety precautions in tunneling. 07
OR
Q.6 (b) Explain with sketch tunnel ventilation 07
Q.7 (a) What are the different types of bearings used in bridges? Discuss their relative merits. 07
Q.7 (b) Describe with sketches procedure of fixing alignment in short and long tunnels. 07
OR
Q.8 (b) Enlist various methods of tunnelling in hard rock. Explain any one in detail. 07
Q.9 State the classification of bridges based on different factors. 07
Total Marks: 70
Subject Code: 160603
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VI (OLD) EXAMINATION - WINTER 2018Subject Name: Railway Bridge & Tunnel Engineering
Time: 02:30 PM TO 05:00 PM
Instructions:
1. Attempt all questions.
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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
Q.1 (b) Explain loading gauge and construction gauge with figure. 07
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Q.2 (a) Define permanent way. What are the requirements of ideal permanent way? 07Q.2 (b) Briefly explain semaphore signals and coloured light signals. 07
OR
Q.3 (a) Write a short note on scissors cross over 07
Q.3 (b) Discuss methods of testing and strengthening of bridges. 07
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Q.4 (a) Explain various types of rails with sketches 07OR
Q.4 (b) Describe with sketches: (i) Coning of wheels, (ii) Creep of rails. 07
Q.5 (a) Briefly explain the factors affecting selection of bridge site. 07
Q.5 (b) Write short note on safety precautions in tunneling. 07
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Q.6 (a) Explain with formulae for the bridges: Design discharge, Linear water way, Afflux, Scour depth, Economical span. 07OR
Q.6 (b) Explain with sketch tunnel ventilation 07
Q.7 (a) What are the different types of bearings used in bridges? Discuss their relative merits. 07
Q.7 (b) Describe with sketches procedure of fixing alignment in short and long tunnels. 07
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Q.8 (a) What do you understand by “Economic Span of Bridge’? Derive the necessary expression for obtaining economic span of the bridge. 07OR
Q.8 (b) Enlist various methods of tunnelling in hard rock. Explain any one in detail. 07
Q.9 State the classification of bridges based on different factors. 07
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Date: 16/11/2018Total Marks: 70
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