The exam pattern according to us will be a little bit like this. If you want to see the subjects under this which you need to further prepare, then the syllabus for BMC is given below:
1.Marathi-20
2.Logical Reasoning-20
3.Technical-60
4.Administration Skills-20
Total-100

BMC Sub Engineer General Knowledge Solved Paper PDF:

https://drive.google.com/file/d/1i573SyFKsp8Yiz8Wec9ae8zJpMKddSoA/view?usp=drivesdk

BMC Sub Engineer Papers For Electrical Engineering PDF:

https://drive.google.com/file/d/1ihNswXsELKxsmCgsT8HPSI31aTvwsmyD/view?usp=drivesdk