brittle metals
ductile metals
hard metals
soft metals
✅ The correct answer is option B.
Production Engineering MCQs
The material which on machining produces chips with built up edge is
brittle material
tough material
hard material
ductile material
✅ The correct answer is option D.
A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to
wear of bond
breaking of abrasive grains
wear of abrasive grains
cracks on grinding whe
✅ The correct answer is option C.
A better machinable metal is one which gives
lower chip-tool contact area and larger shear angle
higher chip-tool contact area and smaller shear angle
lower chip-tool contact area and smaller shear angle
higher chip-tool conta
✅ The correct answer is option A.
The angle on which the strength of the tool depends is
rake angle
cutting angle
clearance angle
lip angle
✅ The correct answer is option A.
Internal or external threads of different pitches can be produced by
pantograph milling machine
profiling machine
planetary milling machine
piano-miller
✅ The correct answer is option C.
Carbon tool steels have low-heat and wear-resistance.
Correct
Incorrect
✅ The correct answer is option A.
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
high metal removal rate
dry machining
use of soft cutting tool
surface finish
✅ The correct answer is option D.
The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is __________ cutting speed for drilling mild steel with high speed steel drills.
equal to
less than
more than
✅ The correct answer is option A.
In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
Yes
No
✅ The correct answer is option A.