Question

Standard size of wooden sleeper used in Broad gauge is (in cm)
1. 257 × 25 × 13
2. 185 × 20 × 13
3. 275 × 25 × 13
4. 257 × 30 × 15

Answer 1

Correct Answer - Option 3 : 275 × 25 × 13

Concept:

Sleepers:

• Sleepers are used to support or fix the rail.
• It safely transfers point load into the uniformly distributed load to the ballast.

Classification of sleepers:

​1). Wooden sleepers:

• Sal and teak are mainly used in timber sleepers.
• It has a life of 12-15 years.
•  Zncl₂ solution is used for the increment of sleepers life

​1). Metal sleepers:

• Cast iron sleepers are more used in compression to steel sleepers because of corrosion problems.
• Life - 35 to 40 years

​1). Concrete sleepers:

• Life - 40 to 60 years

Explanation:

The standard size of wooden sleeper used in Broad gauge- 275cm × 25cm × 13cm

The standard size of wooden sleeper used in Meter gauge- 183cm × 20cm × 11cm

The standard size of wooden sleeper used in Narrow gauge- 150cm × 18cm × 9cm