VnT = C
VTn = C
Vn/T = C
V/Tn = C
✅ The correct answer is option B.
Production Engineering MCQs
For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of
50°C
100°C
175°C
275°C
✅ The correct answer is option B.
In a plain milling machine, the table can be moved
longitudinally
crosswise
vertically
all of these
✅ The correct answer is option D.
The cutting speed of a drill depends upon the
material of drill
type of material to be drilled
quality of surface finish desired
all of these
✅ The correct answer is option D.
It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be
10 r.p.m.
20 r.p.m.
120 r.p.m.
180 r.p.m.
✅ The correct answer is option B.
The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is
feed rate, depth of cut, cutting speed
depth of cut, cutting speed, feed rate
cutting speed, feed rate, depth of cut
feed rate, cutting spe
✅ The correct answer is option C.
The aluminium oxide abrasive is chiefly used for grinding
high speed steel
carbon steel
wrought iron
all of these
✅ The correct answer is option D.
Which of the following statement is correct for oblique cutting system?
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
Frequently, more than one cutting edges are in action.
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
all of the above
✅ The correct answer is option D.
The usual value of the point angle of a drill is
70°
100°
118°
130°
✅ The correct answer is option C.
In down milling, the thickness of chip is
minimum at the beginning of the cut and maximum at the end of the cut
maximum at the beginning of the cut and minimum at the end of the cut
uniform throughout the cut
none of these
✅ The correct answer is option B.