production 1 sem 6.2

Taper turning can be done by

• form tool method
• compound slide method
• tail stock offset method
• all of these
• Text for option 5 (optional)

Spinning is done on

• speed lathe
• bench lathe
• centre lathe
• turret lathe

The centre used for between centre turning operation

• revolving centre
• half centre
• standard centre
• ball centre

Facing is done by feeding the tool

• parallel to the axis of work
• right angle to the axis of work
• both a and b
• none

Facing is used to maintain

• diameter
• length
• both a and b
• maintain step

Knurling operation is done at

• turning spindle speed
• high spindle speed
• 1/3 of spindle speed
• 1/2 of spindle speed

While doing knurling operation

• diameter will increase
• diameter will decrease
• same diameter
• all of the above

Knurling is used for

• gripping
• good surface finish
• good handle
• none of these

While turning long work pieces the following accessories should be used

• sleeve
• socket
• steady rest
• bracket

Chamfering is done to avoid

• . burr and sharp edge
• easy assembly for mating parts
• for better appearance
• ll of the above