Manufacturing Processes (3141908) MCQs

MCQs of Basic Machine Tools and Metal Cutting Principles

Showing 91 to 90 out of 100 Questions
7 8 9 10
91.
When the cutting edge of the tool is dull, then during machining
(a) continuous chips are formed
(b) discontinuous chips are formed
(c) continuous chips with a built-up edge are formed
(d) no chips are formet
Answer:

Option (c)

92.
Drilling is an example of
(a) oblique cutting
(b) orthogonal cutting
(c) side cutting
(d) uniform cutting
Answer:

Option (a)

93.
In order to prevent the tool from rubbing the work __________ on tools are provided.
(a) rake angle
(b) relief angle
(c) shear angle
(d) none of above
Answer:

Option (b)

94.
The side rake angle of a single point cutting tool is the angle
(a) by which the face of the tool is inclined towards the back
(b) by which the face of the tool is inclined sideways
(c) between the surface of the flank immediately below the point and a plane at right angles to the centerline of the point of the tool
(d) between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
Answer:

Option (b)

95.
Segmental chips are formed during machining
(a) mild steel
(b) cast iron
(c) high-speed steel
(d) high carbon steel
Answer:

Option (b)

96.
The rake angle of a single-point cutting tool corresponds to __________ of a twist drill.
(a) lip clearance angle
(b) helix angle
(c) point angle
(d) chisel edge angle
Answer:

Option (b)

97.
Crater wear occurs mainly on the
(a) nose part, front relief face and side relief face of the cutting tool
(b) the face of the cutting tool at a short distance from the cutting edge only
(c) cutting edge only
(d) front face only
Answer:

Option (b)

98.
The tool made of cemented carbide wear out faster at
(a) slow speeds
(b) medium speeds
(c) fast speeds
(d) very fast speeds
Answer:

Option (a)

99.
A single point thread cutting tool should ideally have
(a) zero rake angle
(b) positive rake angle
(c) negative rake angle
(d) point angle
Answer:

Option (a)

100.
Cast iron during machining produces
(a) continuous chips
(b) discontinuous chips
(c) continuous chips with built-up-edge
(d) none of these
Answer:

Option (b)

Showing 91 to 90 out of 100 Questions
7 8 9 10