Which of the following are correctly matched?
|
Components of a turnout |
Function |
|
1. Stretcher bar |
Connect toes of both tongue rails so that each tongue moves through the same distance |
|
2. Switch tie plate |
Ensure the definite location of the slide chair and rails |
|
3. Slide chair |
Provided under stock and tongue rails so that tongue rails move towards or away from the stock rail |
|
4. Studs |
Used to prevent lateral bending of tongue rail |
1
1 and 2 only
2
3 and 4 only
3
1, 2 and 3
4
1, 2, 3 and 4