Related Questions

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.
A Equal to
B Less than
C More than
D None of these
The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon
A Work material
B Tool material
C Working conditions
D Type of chip produced
The specific cutting energy used for establishing the machinability of the metal depends upon its
A coefficient of friction
B micro-structure
C work hardening characteristics
D all of the mentioned
As the cutting speed increases, the tool cutting forces
A Remain constant
B Increases
C Decreases
D First increases and then decreases
High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
A 2 to 3 times lower
B 2 to 3 times higher
C 5 to 8 times higher
D 8 to 20 times higher
The cutting angle of a flat drill varies from
A 3° to 8°
B 20° to 30°
C 60° to 90°
D 90° to 120°
The relief or clearance at the cutting edge of a flat drill varies from
A 3° to 8°
B 20° to 30°
C 60° to 90°
D 90° to 120°
A drill considered as a cutting tool having zero rake, is known as a
A Flat drill
B Straight fluted drill
C Parallel shank twist drill
D Tapered shank twist drill
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
When cutting and pasting, cutting section is temporarily stored in
A Dashboard
B Hard drive
C Diskette
D Clipboard

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