23) _____ gases are used in Tungsten inert gas welding.
Answer is:
Argon and helium
ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key
For more MCQ's Click HereRelated ISRO Draughtsman-B Mechanical Question Paper - 2016 (Set -1) with Answer Key
Answer is:
11 m/s
Answer is:
Distance between clearance circle and addendum circle
