railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Fitter Lathe ACcessories Tools and Operation
The tailstock set over required to turn a taper on the entire length of a work piece having both ends diameter D and d is
1
(D - d)/2L
2
(D - d)/L
3
\(\frac{{D - d}}{2} \times \frac{{total\;length\;of\;the\;job\;\left( L \right)}}{{taper\;length\;\left( l \right)}}\)
4
D - d