311. In __________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
conventional milling
climb milling
face milling
end milling
✅ The correct answer is option A.
Production Engineering MCQs
312. Holes are machined by push broaches only for sizing.
Correct
Incorrect
✅ The correct answer is option A.
313. A fine grained grinding wheel is used to grind
hard and brittle materials
soft and ductile materials
hard and ductile materials
soft and brittle mater
✅ The correct answer is option A.
314. Which of the following operations is carried out at a minimum cutting velocity if the machines are equally rigid and the tool work materials are the same?
Turning
Grinding
Boring
Milling
✅ The correct answer is option D.
315. A single point tool has
rake angle
cutting angle
lip angle
all of these
✅ The correct answer is option D.
316. In machining cast iron, no cutting fluid is required.
Correct
Incorrect
✅ The correct answer is option A.
317. Tool life is measured by the
number of pieces machined between tool sharpenings
time the tool is in contact with the job
volume of material removed between tool sharpenings
all of the above
✅ The correct answer is option D.
318. Soft materials can not be economically ground due to
high temperature involved
frequent wheel clogging
rapid wheel wear
low work piece stiffne
✅ The correct answer is option B.
319. Thread grinding requires work speed from
1 to 3 m/min
5 to 10 m/min
10 to 14 m/min
14 to 20 m/min
✅ The correct answer is option A.