Q. Pick up the correct statement from the following: (Solved)
1. Bull's trench kiln a trench excavated in ground
2. Hoffman's kiln is constructed over ground
3. Tunnel Kiln is constructed as a tunnel
4. All the above
- d. All the above
1. Bull's trench kiln a trench excavated in ground
2. Hoffman's kiln is constructed over ground
3. Tunnel Kiln is constructed as a tunnel
4. All the above