Which of the following statements is/are true?
i. CST series of sleepers are made of wood.
ii. The composite sleeper index is calculated for wooden sleepers.
1
Both i and ii
2
Only ii
3
Only i
4
i is true and ii is the correct explanation of i
Which of the following statements is/are true?
i. CST series of sleepers are made of wood.
ii. The composite sleeper index is calculated for wooden sleepers.