FITTING 3 PIPE THREAD AND FITTINGS - Quiz

1) What is the formula used to calculate blank size of round rod before cutting external thread?

Blank size=Thread size -0.1% pitch of the thread Blank size=Thread size +0.1% pitch of the thread Blank size=Thread size -0.01% pitch of the thread Blank size=Thread size +0.01% pitch of the thread

2) What is the formula to calculate tap drill size?

Minor dia = major dia + (2 x depth) Minor dia = major dia - (2 x depth) Minor dia = major dia + (2 + depth) Minor dia = major dia + (2 - depth)

3) What is used to close the pipe line that has an external thread?

Plug Cap Coupling Reducer

4) Which type of fitting is used for easy to dismantle and repair?

Nipple Coupling Union Reduce

5) What material is used to manufacture AC pipes ?

Asbestos fibre, clay, lime Asbestos fibre, Portlan cement and silica Asbestos fibre, lime and cement Asbestos fibre, silica and lime