material of the belt
material of the pulley
uneven extensions and contractions due to varying tension
all of the above
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