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751.

A set hammer is made of

A.	High carbon steel	B.	Tool steel and hardened
C.	Mild steel

752.

A flatter is made of

A.	Mild steel	B.	High carbon steel
C.	High speed steel

753.

A Bick iron is made of

A.	High speed steel	B.	Tool steel and hardened
C.	While cast iron

754.

Range of forging temperature for a mould steel job is

A.	940?C - 1180?C	B.	750?C - 1300?C
C.	800?C - 1150?C

755.

The process of increasing the cross-section of a job with a reduction in its length is termed

A.	Drawing out	B.	Upsetting
C.	Cutting

756.

A job made by forging is

Weaker than a job made by casting or machining

Stronger than a job made by casting or machining

757.

In deriving relationship between thickness ratio, angle of shear plane and tool rake angle, which assumption is not required in orthogonal cutting

A.	tool cuts at constant speed	B.	the edge of the cutting tool is larger than width of the chip
C.	the width of chip is larger than its thickness	D.	None of the above

758.

In a turning operation on a horizontal axis lathe, the forces on tool act

A.	only in horizontal plane in the directions of feed and cut	B.	only in vertical plane in the direction of feed and vertically
C.	only in vertical plane in the direction of feed and radially	D.	None of the above

759.

Discontinuous chips in brittle materials are promoted by

A.	low cutting speed and insufficient rake angle	B.	coarse feed and low cutting speed
C.	low cutting speed and insufficient coolant	D.	None of the above

760.

Coarse feed, low rake angle, low cutting speed and insufficient cooling help produce

A.	discontinuous chips in ductile materials	B.	continuous chips in ductile materials
C.	discontinuous chips in brittle materials	D.	continuous chips with built up edges in ductile materials