16) Which one of the slotter tools can cut efficiently with negative rake angle on hard metals ?

Stellite tool

Cemented carbide tipped tool

High carbon steel tool

High speed steel tool

Answer is:

Cemented carbide tipped tool

Explanation:

Cemented carbide tipped tool can cut efficiently with negative rake angle on hard metals.

Depth of cut and condition of machine

Rigidity of job holding

Material of tool and workpiece

All the above

Answer is:

Explanation:

Slotter cutting speed depends on
Depth of cut and condition of machine
Rigidity of job holding
Material of tool and workpiece

The cutting speed of slotter is expressed in metre / min

Feed of slotter is expressed in mm per double stroke

The tool post of slotter can hold tool as well as tool bar for holding bit

The length of slotter stroke is equal to the thickness of job to be machined

Answer is:

External keyway on long shaft

Internal grooves

Woodruff key way on a shaft

Keyway for feather key

Answer is:

Explanation:

Internal grooving operations can be done on slotting machine.