increasing the cutting speed
decreasing the cutting speed
increasing the depth of cut
increasing the feed ra
✅ The correct answer is option C.
Production Engineering MCQs
The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon
work material
tool material
working conditions
type of chip produced
✅ The correct answer is option B.
Negative rakes are used for
carbide tools
heavy loads
harder materials
all of these
✅ The correct answer is option D.
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
10 m/min
15 m/min
22 m/min
30 m/min
✅ The correct answer is option C.
The cutting speed for drilling copper 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 B.
The plunge grinding requires very __________ speed.
high
low
✅ The correct answer is option B.
In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be
5°
6°
8°
10°
✅ The correct answer is option B.
A dense structure of a grinding wheel is used for
hard materials
brittle materials
fnishing cuts
all of these
✅ The correct answer is option D.
When the tool moves parallel to the lathe axis, the movement is termed as
cross feed
angular feed
longitudinal feed
any one of these
✅ The correct answer is option C.
In drilling bakellite and fibrous plastics, the point angle of a drill is
90°
118°
135°
150°
✅ The correct answer is option A.