CE6604 Questions Bank Railways Airports and Harbour Engineering
CE6604 Questions Bank Railways Airports and Harbour Engineering Regulation 2013 Anna University Free download. Railways Airports and Harbour Engineering Questions Bank free pdf download.
Sample CE6604 Questions Bank:
1. What are the necessities of points and crossings?
Points and crossings provide flexibility of movement by connecting one line to another according to requirements. They also help for imposing restrictions over turnouts, which necessarily retard the movements.
2. What are the two types of Switches?
1. Stub switch.
2. Split switch.
3. Define Crossings?
A „Crossing‟ or a „Frog‟ is a device, which provides two flange ways through which the wheels of the flanges may move, when two rails intersect each other at an angle.
4. Classify the Crossings?
A) On the basis of shape of crossing.
1) Acute angle crossing or “V” crossing or Fog.
2) Obtuse angle crossing or Diamond crossing.
3) Square crossing.
B) On the basis of Assembly of crossing.
1) Spring or movable wing crossing.
2) Ramped crossing.
5. What you mean by Diamond crossing?
When straight tracks or curved tracks of the same or different gauges cross each other at an angle less than 90 degree, a diamond shape is formed. So this crossing is called as diamond crossing.
6. Define cross-over in track junction?
When two adjacent parallel or diverging tracks, which may be straight or curved, are connected by two sets of turnouts, with or without a straight length between them, the connecting line is known as cross-over.
7. Define Ladder tracks?
When a number of parallel tracks are branched off from the straight track in continuation of a turnout, it is called a gathering line or ladder track.
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