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You Are On Multi Choice Question Bank SET 1467

73351. The angle between the shear plane and __________ is called shear angle.



73352. In machining soft materials, a tool with negative relief angle is used.



73353. Which of the following parameters influence the axial feed rate in centreless grinding?





73354. The lathe spindles are usually made hollow and provided with





73355. The top and sides of the table of a shaper usually have





73356. The binding material used in cemented carbide tools is





73357. In machining metals, chips break due to __________ of work material.





73358. For softer materials, the point angle of the drill is kept





73359. When the backgear is engaged in a backgeared headstock, the spindle speed reduces considerably.



73360. In continuous chip cutting, the maximum heat is taken by the cutting tool.



73361. Which of the following statement is correct regarding grinding of high carbon steel?





73362. The rear teeth of a broach





73363. High speed steel drills can be operated at about __________ the speed of high carbon steel drills.





73364. When the end of a tap is tapered for about three or four threads, it is known as a





73365. Crater wear is predominant in





73366. The method of centreless grinding used to produce taper is





73367. In a shaper, the length of stroke is increased by





73368. Carbon tool steels have low-heat and wear-resistance.



73369. Trepanning is an operation of





73370. The abrasive recommended for grinding materials of high tensile strength is





73371. The factor responsible for the formation of continuous chips with built up edge is





73372. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is





73373. In centreless grinding, the surface speed of regulating wheel is





73374. In metal cutting, use of low feeds and high cutting speeds is desired when the objective is





73375. The angle on which the strength of the tool depends is





73376. Larger than 15° side cutting edge angle





73377. Which of the following statement is correct for orthogonal cutting system?





73378. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called





73379. In case of turning, as the machining proceeds, the spindle speed must __________ with the decrease in diameter of work.



73380. Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.



73381. As the cutting speed increases, tool life decreases.



73382. In metal machining, the work-tool contact zone is a zone where heat is generated due to





73383. Thread grinding requires work speed from





73384. Threading is an operation of





73385. Glazing in grinding wheels can be decreased by





73386. The cutting speed is minimum while machining __________ with a high speed steel tool.





73387. A process of removing metal by pushing or pulling a cutting tool is called





73388. The hardness of a grinding wheel is specified by





73389. Which of the following operations can be performed with milling cutters?





73390. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is





73391. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.





73392. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is





73393. Down milling is also called





73394. Any number of equal divisions can be obtained on milling machine by





73395. The depth of cut in drilling is __________ the drill diameter.





73396. The type of tool used on lathe, shaper and planer is





73397. A __________ grinding wheel is used to grind soft materials.




73398. The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon





73399. In order to grind soft material





73400. In centreless grinders, the maximum angular adjustment of the regulating wheel is





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