railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Machine Tools
The angle at which the compound rest is set for turning a taper job is:
(Where D = larger diameter, d = smaller diameter, l = length of job)
1
\(tan^{-1} (\frac{D+d}{l})\)
2
\(tan^{-1} (\frac{D+d}{2l})\)
3
\(tan^{-1}( \frac{D-d}{l})\)
4
\(tan^{-1} (\frac{D-d}{2l})\)