301. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is September 13, 2025 by Admin cutting speed feed rate shear angle tool geometry ✅ The correct answer is option C.
302. High speed steel cutting tools operate at cutting speeds __________ than carbon steel tools. September 13, 2025 by Admin 2 to 3 times lower 2 to 3 times higher 5 to 8 times higher 8 to 20 times higher ✅ The correct answer is option B.
303. In metal cutting operations, chips are formed due to plastic deformation of the metal. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option A.
304. The broaching operation in which the work moves past the stationary tool is called September 13, 2025 by Admin pull broaching push broaching surface broaching continuous broaching ✅ The correct answer is option D.
305. The continuous chips are in the form of long coils having the same thickness throughout. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option A.
306. The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from September 13, 2025 by Admin 10 to 20 m/min 18 to 30 m/min 24 to 45 m/min 60 to 90 m/min ✅ The correct answer is option D.
307. In oblique cutting system, the maximum chip thickness September 13, 2025 by Admin occurs at the middle may not occur at the middle depends upon the material of the tool depends upon the geome ✅ The correct answer is option B.
308. The infeed grinding is used to September 13, 2025 by Admin produce tapers grind shoulders and formed surfaces grind long, slender shafts or bars ail of these ✅ The correct answer is option B.
309. The grade of grinding wheel depends upon September 13, 2025 by Admin hardness of the material being ground speed of wheel and work condition of grinding machine all of these ✅ The correct answer is option D.
310. Which of the following statement is correct about hot machining? September 13, 2025 by Admin It requires less power than machining metals at room temperature. The rate of tool wear is lower. It is used for machining high strength and high temperature resistant materials. all of the above ✅ The correct answer is option D.