FASTENING AND FITTING - Practice Mode

1) What is the name of screw head?
Correct Answer: Round head
2) Which nut have three projecton to provide uniform contact on the surface?
Correct Answer: Hexagonal weld nut
3) Which standard system of limits and fits followed in our country?
Correct Answer: BIS
4) Which coolant used for sawing cast iron?
Correct Answer: Air
5) What is the material of the hand tap?
Correct Answer: High speed steel