b/L
b/2 L
1 - 2 b.L
1 - b/L
Gerber relation
Soderberg relation
Good man relation
none of these
The distance from a point on one thread to the corresponding point on the next thread is called pitch
The distance which a screw thread advances axially in one rotation of the nut is called lead
In single start threads, lead is equal to pitch
all of the above
Agree
Disagree
low coefficient of friction
better heat dissipation
smaller space consideration
all of these