FORM TURNING - Quiz

1) Calculated the rpm of spindle if cutting speed ?V? is 120m/min and the diameter ?D? of the job is 50 mm?

500 rpm 764 rpm 856 rpm 975 rpm

2) Calculate the spindle speed to turn a 40mm dia M.S rod using a cemented carbide tool it cutting speed is 92mm/min?

508 rpm 685 rpm 731 rpm 950 rpm

3) 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.

235.5 mm 295.7 mm 365.3 mm 485.7 mm

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

100rpm 159rpm 168rpm 250rpm

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

Plate jig Post jig Table jig Solid jig