Write the answer correctly in the box mentioned below

1. Which shape of file is used for filing surfaces at right angles to the surfaces already finished?

A. Flat file

B. Hand file

C. Square file

D. Half round file

2. Which shape of file is used for filing narrow grooves and angles above 10°?

A. Square file

B. Triangular file

C. Knife edge file

D. Half round file

3. Which is used to remove the pinning of the files?

A. File card

B. Painting brush

C. Wire brush

D. Cleaning brush

4. Which shape of file is used for filing corners and angles more than 60°?

A. Round file

B. Triangular file

C. Square file

D. Half round file

5. How would you designate the needle files?

A. BIS Number

B. Grade of cut

C. Nominal length

D. Grade of cut, nominal length and BIS number

6. Which special file is used for die-sinking work?

A. Riffler file

B. Mill saw file

C. Barrette file

D. Crossing file

7. Which special file is used for sharpening the teeth of wood working saws?

A. Riffler files

B. Barrette file

C. Mill saw files

D. Crossing files

8. Which special file is used in the place of a half round file?

A. Riffler file

B. Barrette file

C. Mill saw file

D. Crossing file

9. Which special file is used for finishing sharp corners?

A. Riffler file

B. Crossing file

C. Mill saw file

D. Barrette file

10. Which special files are driven by a special machine with a portable motor and flexible shaft?

A. Rotary file

B. Tinker's file

C. Barrette file

D. Crossing file