This punch is used for making witness marks is 60 Degree Prick Punch.
24) Select the punch used for making witness marks from the following
Answer is:
60 degree Prick Punch
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2016 (Set - 4) with Answer Key
Answer is:
0.8 mm
Explanation:
Pitch selection for Hacksaw Blade:
For soft materials such as bronze, brass, soft steel, cast iron, heavy angles etc. use a 1.8 mm pitch blade.
For tool steel, high carbon, high speed steel etc. use a 1.4 mm pitch. For angle iron, brass tubing, copper, iron pipe etc. use a 1 mm pitch blade.
For conduit and other thin tubing, sheet metal work etc. use a 0.8 mm pitch.
