| Q.1 | Which of the following statements is NOT true with regard to long wall-short wall method? | |
| Ans | 1. Long wall length out to out = centre to centre length + one breadth (breadth is same at both ends) | |
| 2. Short wall length = centre to centre length – one breadth | ||
| 3. Short wall length = centre to centre length – half breadth | ||
| 4. Long wall length out to out = centre to centre length + half the breadth on one side + half the breadth on other side |
Correct Ans: 3