The cutting teeth of a hacksaw blade should be hardened and tempered.
9) The cutting teeth of a hacksaw blade should be
Answer is:
hardened and tempered
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2015 (Set - 1) with Answer Key
Answer is:
55 degree
Explanation:
B.S.F screw threads have the included angle of 55 degree.
