301. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
cutting speed
feed rate
shear angle
tool geometry
✅ The correct answer is option C.
Production Engineering MCQs
302. High speed steel cutting tools operate at cutting speeds __________ than carbon steel tools.
2 to 3 times lower
2 to 3 times higher
5 to 8 times higher
8 to 20 times higher
✅ The correct answer is option B.
303. In metal cutting operations, chips are formed due to plastic deformation of the metal.
Agree
Disagree
✅ The correct answer is option A.
304. The broaching operation in which the work moves past the stationary tool is called
pull broaching
push broaching
surface broaching
continuous broaching
✅ The correct answer is option D.
305. The continuous chips are in the form of long coils having the same thickness throughout.
Agree
Disagree
✅ The correct answer is option A.
306. The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from
10 to 20 m/min
18 to 30 m/min
24 to 45 m/min
60 to 90 m/min
✅ The correct answer is option D.
307. In oblique cutting system, the maximum chip thickness
occurs at the middle
may not occur at the middle
depends upon the material of the tool
depends upon the geome
✅ The correct answer is option B.
308. The infeed grinding is used to
produce tapers
grind shoulders and formed surfaces
grind long, slender shafts or bars
ail of these
✅ The correct answer is option B.
309. The grade of grinding wheel depends upon
hardness of the material being ground
speed of wheel and work
condition of grinding machine
all of these
✅ The correct answer is option D.
310. Which of the following statement is correct about hot machining?
It requires less power than machining metals at room temperature.
The rate of tool wear is lower.
It is used for machining high strength and high temperature resistant materials.
all of the above
✅ The correct answer is option D.