Production Technology Objective Questions and Answers

386. Lathe spindle has got

387. Which of the following lathe operations requires that the cutting edge of a tool bit be placed exactly on the work centre-line?

388. Lathe centres are provided with the following standard taper

389. Brown and sharp taper is generally used in

390. On screw machines having cross and vertical slides, cutting off operations are usually performed by the

391. Internal or external tapers on a turret lathe can be turned by

392. In order to turn taper on length l with two end diameters d1 and d2 set over the tail stock stover required is

Mechanical Engineering Objective Questions { Production Technology }