(3) Machinist 1st Sem - Mod 2.2 Basic Fitting (Drilling &Taper)

NAME OF TRAINEE

BATCH

• A BATCH
• B BATCH

ROLL NUMBER

PRN

What is denoted by ‘V’ in the formula

• A Feed in m / rev
• B Feed in mm / rev
• C Cutting speed in m / min
• D Cutting speed in mm / min

What is termed as peripheral speed of drill?

• A Feed
• B Depth of cut
• C Cutting speed
• D Rpm of spindle

What is the expansion of rpm used in drilling

• A Revolution per mile
• B Revolution per meter
• C Revolution per minute
• D Retardation per minute

What is the distance a drill advances in one rotation while drilling?

• A Feed
• B Depth of cut
• C Cutting speed
• D Cutting length

How to express feed in drilling?

• A m / rev
• B m / min
• C mm / rev
• D mm / hour

What is denoted by ‘d’ in the formula

• A Diameter of drill
• B Length of the drill
• C Diameter of work
• D Diameter of spindle