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 cutting speed is maximum while machining _________ with a high speed steel tool.
A Cast iron
B Mild steel
C Brass
D Aluminium
For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
A 5 m/min
B 10 m/ min
C 15 m/min
D 30 m/min
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
A 10 m/min
B 15 m/min
C 22 m/min
D 30 m/min
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 average cutting speed for turning mild steel with a high speed steel tool is
A 15 to 19 m/min
B 25 to 31 m/min
C 60 to 90 m/min
D 90 to 120 m/min
The average cutting speed for turning brass with a high speed steel tool is
A 15 to 19 m/min
B 25 to 31 m/min
C 60 to 90 m/min
D 90 to 120 m/min
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 drills can be operated at about _________ the speed of high carbon steel drills.
A One-half
B One-fourth
C Double
D Four times
In machining metal, cutting force at the cutting edge is measured by a
A Wattmeter
B Dynamometer
C Hydrometer
D Pyrometer

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