231. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
counter-boring
grooving
knurling
facing
✅ The correct answer is option C.
Production Engineering MCQs
232. The grinding of long, slender shafts or bars is usually done by
infeed grinding
through feed grinding
endfeed grinding
any one of these
✅ The correct answer is option B.
233. When the shear angle is large
path of shear is short and chip is thin
path of shear is large and chip is thick
path of shear is short and chip is thick
path of shear is large
✅ The correct answer is option A.
234. Crater wear leads to
increase in cutting temperature
weakening of tool
friction and cutting forces
all of these
✅ The correct answer is option D.
235. In conventional milling, the cutting force tends to lift the work.
TRUE
FALSE
✅ The correct answer is option A.
236. Glazing in grinding wheels __________ cutting capacity.
has no effect on
increase
decrease
✅ The correct answer is option C.
237. The chisel edge angle of a drill is usually 120° to 135°.
Correct
Incorrect
✅ The correct answer is option A.
238. The actual feed in centreless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)
πd
πd n
πd n sin α
πd n cos α
✅ The correct answer is option C.
239. In metal cutting operations, the shear angle is the angle made by the shear plane with the
direction of the tool axis
direction of tool travel
perpendicular to the direction of the tool axis
central plane of the w
✅ The correct answer is option B.
240. The method of centreless grinding used to produce taper is
infeed grinding
through feed grinding
endfeed grinding
any one of these
✅ The correct answer is option C.