UNIT II MANUFACTURING TECHNOLOGY

The lathe is primarily used for producing ________ surfaces

• Flat

• Curve

• Taper

• None of the mentioned

The swing diameter over the bed is the largest diameter

• True

• False

Which type of surface is produced in facing operation?

• Cylindrical

• Taper

• Flat

• Curved

Which type of feed is needed in turning operation?

• Longitudinal

• Cross

• Both cross and longitudinal

• None of the mentioned

The traversing of the tool at any angle to the job axis produces curve surfaces

• True

• False

Lathe cannot produce the internal features like holes

• True

• False

For machining a casting on a lathe, it should be held in

• Collet chuck

• Magnetic chuck

• Three jaw chuck

• Four jaw chuck

• Face plate

On a capstan lathe, the turret is mounted on

• A short slide of ram sliding in the saddle

• The saddle sliding on the bed

• Compound rest

• Back tool post

• Headstock

The purpose of tumbler gears in the lathe is too

• Cut gears

• Cut threads

• Reduce spindle speeds

• Give desired direction of movement of the lather carriage

• Reverse spindle rotation

Lathe bed is usually made of

• Structural steel

• Stainless steel

• Cast iron

• Mild steel