161. The operation of machining several surfaces of a workpiece simultaneously is called September 13, 2025 by Admin profile milling gang milling saw milling helical milling ✅ The correct answer is option B.
162. In oblique cutting system, the cutting edge of the tool September 13, 2025 by Admin may clear the width of the workpiece may or may not clear the width of the workpiece may not clear the width of the workpiece should always clear th ✅ The correct answer is option C.
163. The hole drilled for tapping should be smaller than the tap size by twice the depth of thread. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option A.
164. Crater wear is mainly due to the phenomenon known as September 13, 2025 by Admin adhesion of metals oxidation of metals diffusion of metals all of these ✅ The correct answer is option C.
165. Crack in grinding wheel is developed due to September 13, 2025 by Admin high temperature developed at the contact of the wheel face and work grinding hard work low speed of wheel high speed of wheel ✅ The correct answer is option D.
166. To grind brittle materials, a coarse grained grinding wheel is used. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option B.
167. The parameter which completely defines the chip formation in a metal cutting process is September 13, 2025 by Admin shear angle chip-tool contact length both (a) and (b) none of these ✅ The correct answer is option C.
168. The hard grade grinding wheels are denoted by the letters September 13, 2025 by Admin A to H I to P Q to Z A to P ✅ The correct answer is option C.
169. A numerical method of identification of tool is known as tool signature. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
170. The depth of cut in drilling is __________ the drill diameter. September 13, 2025 by Admin equal to one-fourth one-half double ✅ The correct answer is option C.