251. Mild steel during machining produces __________ chips. September 13, 2025 by Admin continuous discontinuous ✅ The correct answer is option A.
252. The tail stock set over method of taper turning is preferred for September 13, 2025 by Admin internal tapers small tapers long slender tapers steep tapers ✅ The correct answer is option C.
253. The width of cutting edge of a parting-off tool varies from September 13, 2025 by Admin 3 to 12 mm 5 to 20 mm 8 to 30 mm 15 to 40 mm ✅ The correct answer is option A.
254. Which of the following statement is correct about EDM machining? September 13, 2025 by Admin It can machine hardest materials. It produces high degree of surface finish. The tool and work are never in contact with each other. all of these ✅ The correct answer is option D.
255. In reaming process September 13, 2025 by Admin metal removal rate is high high surface finish is obtained high form accuracy is obtained high dimensional accur ✅ The correct answer is option C.
256. The type of tool used on lathe, shaper and planer is September 13, 2025 by Admin single point cutting tool two point cutting tool three point cutting tool multi-point cutting to ✅ The correct answer is option A.
257. The relief or clearance at the cutting edge of a flat drill varies from September 13, 2025 by Admin 3° to 8° 20° to 30° 60° to 90° 90° to 120° ✅ The correct answer is option A.
258. The cutting force in down milling is maximum when the tooth begins its cut and reduces to minimum when the tooth leaves the work. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
259. The cutting fluid mostly used for machining alloy steels is September 13, 2025 by Admin water soluble oil dry sulphurised mineral oi ✅ The correct answer is option D.
260. In which of the following milling machine, the table can be tilted in a vertical plane by providing a swivel arrangement at the knee? September 13, 2025 by Admin Universal milling machine Plain milling machine Omniversal milling machine Hand milling machine ✅ The correct answer is option C.