Exam Details
| Subject | railway, bridges and tunnels | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER-III EXAMINATION SUMMER 2017
Subject Code: X30602 Date:29/05/2017
Subject Name: Railway, Bridges And Tunnels
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
What is use of loading gauge? State functions of rail.
07
What is speed of trains on curves? Discuss resistance to traction.
07
Q.2
Write in brief with sketch:
1. Scissor crossover
2. Turnout
07
Discuss about coning of wheel and creep of rails.
07
OR
Explain cant deficiency, cant excess and negative superelevation for railway track.
07
Q.3
Discuss signaling and interlocking system for railway operation.
07
Explain railway track construction and maintenance of track.
07
OR
Q.3
Write in brief:
1. Concrete sleeper
2. Flat footed rail section
07
Explain components of bridge with their function, type and sketch.
07
Q.4
Explain different terms used in bridge hydrology.
07
Explain use and types of shaft and portal with sketch.
07
OR
Q.4
Write in brief:
1. Tunnel lining
2. Lighting in tunnel
07
Discuss about railway alignment.
07
Q.5
Discuss the methods of erection of various types of bridges.
07
Explain forepoling method of tunneling in soft soils.
07
OR
Q.5
Write in brief:
1. Bridge bearings
2. Ventilation in tunnel
07
Explain heading bench method of tunneling in rock
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER-III EXAMINATION SUMMER 2017
Subject Code: X30602 Date:29/05/2017
Subject Name: Railway, Bridges And Tunnels
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
What is use of loading gauge? State functions of rail.
07
What is speed of trains on curves? Discuss resistance to traction.
07
Q.2
Write in brief with sketch:
1. Scissor crossover
2. Turnout
07
Discuss about coning of wheel and creep of rails.
07
OR
Explain cant deficiency, cant excess and negative superelevation for railway track.
07
Q.3
Discuss signaling and interlocking system for railway operation.
07
Explain railway track construction and maintenance of track.
07
OR
Q.3
Write in brief:
1. Concrete sleeper
2. Flat footed rail section
07
Explain components of bridge with their function, type and sketch.
07
Q.4
Explain different terms used in bridge hydrology.
07
Explain use and types of shaft and portal with sketch.
07
OR
Q.4
Write in brief:
1. Tunnel lining
2. Lighting in tunnel
07
Discuss about railway alignment.
07
Q.5
Discuss the methods of erection of various types of bridges.
07
Explain forepoling method of tunneling in soft soils.
07
OR
Q.5
Write in brief:
1. Bridge bearings
2. Ventilation in tunnel
07
Explain heading bench method of tunneling in rock
07
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