76) Hacksaw blades with fine-pitched teeth are more effective on

Thin section metal

Soft metals

broad section metals

Non-metals

Answer is:

Thin section metal

to thread the hole with full threads up to the bottom

to start the threads

after the first (rougher) tap

to form the threads easily

Answer is:

45 Degree to the centre line of the file

60 Degree to the centre line of the file

75 Degree to the centre line of the file

80 Degree to the centre line of the file

Answer is:

Parallel reamer

Adjustable reamer

Expansion reamer

Chucking reamer

Answer is:

Explanation:

A short reamer with an axial hole used an arbor or mandrel is called as chucking reamer.

H.S.S.

Carbide steel

Diamond

Cast steel

Answer is: