TURNING THREADS - Quiz

1) Which diameter is to be turned for cutting external thread?

Root diameter Pitch diameter Minor diameter Major diameter

2) What is major dia - minor dia?

Depth 2 x depth 0.5 x depth 0.25 x depth

3) What is mean by a left hand thread?

Helix angle is less Helix angle is more Advance in clockwise turning Advance in anticlockwise turning

4) Which of the following is a modified form of square thread?

Vee thread Knuckle thread Saw tooth thread Ball screw thread

5) Which of the following thread having more lead.

Triple start Single start Double start Quadruple start (four)