# CE 2303- Railways, Airport and Harbor Engineering

CE 2303- Railways, Airport and Harbor Engineering  Page 1

A. R. ENGINEERING COLLEGE
DEPARTMENT OF CIVIL ENGINEERING
QUESTION BANK
Subject / Code        : Railways, Airport and Harbor Engineering / CE 2303
Year / Semester      : III / V
UNIT I
RAILWAY PLANNING AND DESIGN
PART A
1.  What are the functions of sleepers?
2.  List the different conventional methods of surveys for track alignment.
3.  What is creep? How is it prevented?
4.  What is cant deficiency?
5.  State the effects of creep.
6.  Calculate the super elevation in a broad gauge track having a curvature of 5º and  the
equilibrium speed of the track is 60Kmph.
7.  What are the functions of rails?
8.  What are the requirements of ideal fastening?
9.  State any two factors which govern the selection of gauge.
10. What are the advantages of concrete sleepers?
11. What is fish plates and why it is used in railways?
12. What are the different materials used as ballast?
14. What is meant by kinks in rails and what are the causes of formation of it?
15. List the different railways for urban railway transportation. *Repeated questions

CE 2303- Railways, Airport and Harbor Engineering  Page 2

PART B
1.  Briefly explain the modern methods of surveys for track alignment.*
2.  (a) Explain the widening of gauge on curves with the formula.
3.  (i) Briefly explain the modern methods of surveys for track alignment.
(ii) What are the objectives of providing transition curves in railways?
4.  (i) What are the requirements of an  ideal permanent way?  What are the factors that
govern the cross section and length of rails?
(ii)  Explain  super  elevation  giving  the  relationship  of  super  elevation  with  gauge,
speed and radius of the curve.
5.  Compare the different types of sleeper. Give all details.
6.  (i) What do understand by ‘cant deficiency’?
(ii) If a 8º curve track diverges from main curve of 5º in an opposite direction in the
layout  of  a  BG  yard.  Calculate  the  super  elevation  and  speed  on  branch  line,  if  the
maximum speed permitted on the main line is 45Kmph.
7.  (i)  What  is  the  necessity  of  geometric  design  of  a  railway  track?  Enumerate  the
significant features of design of a railway track.
(ii)  What are the requirements of an  ideal rail  joint? Explain any two joints used  in
Indian Railway lines with neat sketches.

UNIT II *Repeated questions

CE 2303- Railways, Airport and Harbor Engineering  Page 3

RAILWAY TRACK CONSTRUCTION, MAINTENANCE AND OPERATION
PART A
1.  Write a brief note on automated track maintenance.*
2.  What are the advantages of electric traction
3.  What is meant by track circuiting?*
4.  Define ‘heel divergence’.
5.  What are the sources of moisture in a railway track?
6.  State the principle of interlocking.
7.  List the two types of switches.
8.  List the type of signals based upon functional characteristics.
9.  Define turnout shortly.
10. What is a buffer stop?
11. List the factors to be considered in the selection of a site for a railway station.
12. Define a locomotive.
13. List the equipment needed for rolling stock.
14. List the construction stages of a railway track.
15. What is telescopic method of track laying?
16. With a neat sketch explain the drainage method adopted at a mid- section.
17. Explain MSP.
18. What is Directed Track Maintenance (DTM)?

PART B
CE 2303- Railways, Airport and Harbor Engineering  Page 4

1.  Illustrate  with  a  neat  sketch,  the  turnout,  points  and  crossings  and  explain  their
working principles.*
(i)       Track drainage
(ii)      Re- laying of railway track
(iii)     Track circuiting
3.  (i) With neat sketches, differentiate between reception, signal and departure signals.
(ii)  What  is  meant by  a crossing? Discuss  various types of  crossings used  in Indian
railways.
4.  (i) Explain in detail the miscellaneous measures of track modernization.
(ii) Define ‘plate laying’. Explain the telescopic methods of plate laying.
5.  How are stations classified? Explain the features of each station.
6.  Explain with neat sketches, how surface and sub-surface water can be removed from
railway track.
7.  (i) Explain the centralized traffic control system.
(ii)  What is a  marshalling  yard? Explain with a  neat sketch, the working of a hump
type of marshalling yard.