The angle between the teeth and the centre line in single cut file is 60 degree.
A single cut file has rows of teeth cut in one direction across its face. The teeth are at an angle of 600 to the centre line. It can cut chips as wide as the cut of the file. Files with this cut are useful for filing soft metals like brass, aluminium, bronze and copper.
2) The angle between the teeth and the centre line in single cut file is
Answer is:
60 degree
Explanation:
Related ISRO Technician-B Fitter Question Paper - 2017 (Set - 1) with Answer Key
Answer is:
Half round
Explanation:
The shape of a rasp cut file is Half round.
Answer is:
Try square
Explanation:
The try-square is a precision instrument which is used to check the squareness of a surface and the flatness of surfaces.
Answer is:
Witness marks
Explanation:
Witness marks The line marked on metal surfaces is likely to be erased due to handling. To avoid this, permanent marks are made by placing punch marks at convenient mark intervals along the marked line. Punch marks act as a witness against inaccuracies in machining and hence, they are known as witness marks.
Answer is:
Type N
Explanation:
The type of drill used for general purpose drilling work is Type N.
The helix angles vary according to the material being drilled. According to indian standards, three types of drills are used for drilling various materials.
Type N - For normal low carbon steel.
Type H - For hard and tenaceous materials.
Types S - For soft and tough materials.
