M- 3 v

1.Calculate the length of metal passing by cutting tool in one revolution if the diameter of work is 75mm and cutting speed is 120m/min.

Find out the R.P.M of spindle for a 50mm bar (D) and cutting speed is 25m/min.

• 100rpm

  
  

• 159rpm

• 168rpm

  
  

• 250rpm

  
  

Which type of jig locates the piece part from its face?

• 1. Post jig

• Plate jig

• 1. Table jig

• Solid jig

What defect may occur during grinding a form tool cutting edge?

• Form tool getting broken

  
  

• Shape of the form gets altered

  
  

• Clearance angle changed

  
  

• Thickness of the tool reduced

  
  

What will happen to the tool life if the spindle is running higher speed?

• Less

  
  

• More

  
  

• Very less

  
  

• Medium