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.
60) The type of drill used for general purpose drilling work is
Answer is:
Type N
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2019 (Set - 1) with Answer Key
Answer is:
(1,4)
Answer is:
Driving the work during turning between centres
Explanation:
A lathe dog is used for Driving the work during turning between centres.
Answer is:
5 mm
Answer is:
Tang
Explanation:
The part of the taper shank drill which fits into the slot of the drilling machine spindle is called as Tang
