371. The ductile materials, during machining, produce
continuous chips
discontinuous chips
continuous chips with built up edge
either (a) or (c)
✅ The correct answer is option D.
Production Engineering MCQs
372. The average cutting speed for turning brass with a high speed steel tool is
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
✅ The correct answer is option C.
373. A round nose tool may be fed eitner from left to right end or from right to left end of the lathe bed.
Yes
No
✅ The correct answer is option A.
374. The maximum production of small and slender parts is done by
watch maker’s lathe
sliding head stock automatic lathe
multispindle automatic lathe
capastan lathe
✅ The correct answer is option C.
375. The silicon carbide abrasive is chiefly used for grinding
cemented carbide
ceramic
cast iron
all of these
✅ The correct answer is option D.
376. Larger end cutting edge angle __________ tool life.
increases
decreases
does not effect
✅ The correct answer is option B.
377. A fixture is defined as a device which
holds and locates a workpiece and guides and controls one or more cutting tools
holds and locates a workpiece during an inspection or for a manufacturing operation
is used to check the accuracy of workpiece
all of the above
✅ The correct answer is option B.
378. Cast iron during machining produces
continuous chips
discontinuous chips
continuous chips with built-up-edge
none of these
✅ The correct answer is option B.
379. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
carbide, ceramic, cermet, borazon
ceramic, carbide, borazon, cermet
cermet, carbide, ceramic, borazon
borazon, ceramic, carbide, cermet
✅ The correct answer is option C.
380. When the cutting edge of the tool is dull, then during machining
continuous chips are formed
discontinuous chips are formed
continuous chips with built-up edge are formed
no chips are formed
✅ The correct answer is option C.