The type of drill used for general purpose drilling work is Type N.
The helix angles vary according to the material being drilled. According to indian standards, three types of drills are used for drilling various materials.
Type N - For normal low carbon steel.
Type H - For hard and tenaceous materials.
Types S - For soft and tough materials.
6) The type of drill used for general purpose drilling work is
Answer is:
Type N
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2017 (Set - 1) with Answer Key
Answer is:
30 degree
Explanation:
The angle between the flanks in trapezoidal thread is 30 degree.
Answer is:
Reaming
Explanation:
The process of enlarging and finishing previously drilled holes to accurate size using a multi-point cutting tool is called as Reaming. The Tool used for this process is called Reamer.
Answer is:
7.8 kg
Answer is:
Upper limit
Explanation:
A NO-GO plug gauge is used to check the upper limit of a hole.
