For the Students of Diploma in Mechanical Engineering, I shall suggest these books (given below) for their preparation.

I am not an advertiser of these books. From my past experience, I found that if any one completes these books (Also the concept behind the Q&A) can score a suitable marks in maximum Govt. and PSU exam.

1) MECHANICAL OBJECTIVE
     by R.S. KHURMI


Mechanical objective R. S. Khurmi

Fig. 1 | Mechanical objective R. S. Khurmi



2) MECHANICAL ENGINEERING FOR COMPETITION
   by R.K. JAIN


Fig. 2 | Mechanical objective R. K. Jain



[NOTE: - These books are available in all the reputed bookstall or online shopping platform]