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101.

While machining cast iron generally cutting fluid is not required because

A.	Cast iron surface is generally rough	B.	The cast iron jobs revolves at low speeds
C.	Cast iron contains graphite which does not allow temperatures to rise	D.	Cast iron contains carbon which cools the job
E.	None of the above

102.

The averge cutting speed for machining mild steel by high speed steel tool is

103.

The function of a chip breaker in a cutting tool is

A.	To provide smooth path for long chips	B.	To get long curled chips
C.	To break the chips into short segrments	D.	To remove chips from bed
E.	None of the above

104.

The function of a coolant in a metal cutting operation is

A.	To cool the job	B.	To cool the tool
C.	To reduce the friction at cutting point	D.	To obtain bright shining surface on the job
E.	None of the above

105.

DIN specifications have been developed in

106.

The cutting tool is

107.

In theory of metal cutting the shear plane angle is the angle between

A.	Shear plane and job surface	B.	Shear plane and verticalplane
C.	Shear plane and horizontal plane	D.	Shear plane and tool surface
E.	Shear plane and tool axis

108.

A tool signature, the nose radius is indicated

109.

Relief angle on HSS tools usually vary from

110.

Continuous chips may be formed while machining