251. Mild steel during machining produces __________ chips.
continuous
discontinuous
✅ The correct answer is option A.
Production Engineering MCQs
252. The tail stock set over method of taper turning is preferred for
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
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?
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
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
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
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.
Correct
Incorrect
✅ The correct answer is option A.
259. The cutting fluid mostly used for machining alloy steels is
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?
Universal milling machine
Plain milling machine
Omniversal milling machine
Hand milling machine
✅ The correct answer is option C.