59) When a tool is set below the centre, the
Answer is:
top rake angle decreases
Related ISRO Technician-B Fitter Question Paper - 2019 (Set - 1) with Answer Key
Answer is:
Type N
Explanation:
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.
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: