Railway Engineering Questions and Answers – Points and Crossings – Inspection and Maintenance

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This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Points and Crossings – Inspection and Maintenance”.

1. What should be used for cleansing of slide chairs?
a) Graphite
b) Aluminium
c) Oxyacetylene
d) Brass
View Answer

Answer: a
Explanation: Condition of fittings should be proper and their timely maintenance should be done. Slide chairs should be cleansed and greased with Graphite. This helps in smooth operation of points.

2. What is the maximum vertical wear permitted on wing rail?
a) 6mm
b) 8mm
c) 10mm
d) 15mm
View Answer

Answer: c
Explanation: Maximum vertical wear should not be more than 10mm for wing rails and they should be renovated after wear of 6mm. For tongue rails maximum vertical wear permitted is 6mm.

3. Which of the following locations is not to be checked for Gauge and cross level correctness?
a) 150mm behind the ANC
b) 1m behind the ANC
c) 300mm behind the ANC
d) 1m ahead of the nose
View Answer

Answer: c
Explanation: Gauge and cross level needs to be checked for their correctness for smooth journey. The locations at which they need to be checked include 150mm behind the ANC, 1m ahead of the nose and 1m behind the ANC on straight tracks and on turnouts.
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