12

14

18

24

the pitch of the thread is 24 mm and depth is 2 mm

cross-sectional area of the threads is 24 mm²

the nominal diameter of bolt is 24 mm and pitch is 2 mm

the effective diameter of bolt is 24 mm and there are 2 threads per cm

d + 17 mm

2 d + 13 mm

2 d + 20 mm

3.5 d

larger than

smaller than

equal to

none of these

both the ends fixed

both the ends hinged

one end fixed and the other end hinged

one end fixed and the other end free