Related Questions

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
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
When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.
A Cementite
B Free graphite
C Both A and B
D None of these
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 cutting speed is maximum while machining _________ with a high speed steel tool.
A Cast iron
B Mild steel
C Brass
D Aluminium
The cutting speed is minimum while machining _________ with a high speed steel tool.
A Cast iron
B Mild steel
C Brass
D Aluminium
For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of
A 500
B 1000
C 1750
D 2750
An important property of malleable cast iron in comparison to grey cast iron is the high
A Compressive strength
B Ductility
C Carbon content
D Hardness
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 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

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