Flank wear depends upon the
A. Hardness of the work and tool material at the operating temperature
B. Amount and distribution of hard constituents in the work material
C. Degree of strain hardening in the chip
D. All of these
Answer: Option B
A. Hardness of the work and tool material at the operating temperature
B. Amount and distribution of hard constituents in the work material
C. Degree of strain hardening in the chip
D. All of these
Answer: Option B
The carbide tools operating at very low cutting speeds (below 30 m/min)
A. Reduces tool life
B. Increases tool life
C. Have no effect on tool life
D. Spoils the work piece
The type of reamer used for reaming operation in a blind hole, is
A. Straight fluted reamer
B. Left hand spiral fluted reamer
C. Right hand spiral fluted reamer
D. Any one of these
High speed steel tools retain their hardness up to a temperature of
A. 250°C
B. 350°C
C. 500°C
D. 900°C
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