Identify the type of file shown in the given figure.

F1 U.B Deepak 20.03.2020 D3

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
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  1. Curved cut file
  2. Double cut file
  3. Single cut file
  4. RASP cut file

Answer (Detailed Solution Below)

Option 2 : Double cut file
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The teeth of a file are formed by cuts made on its face. Files have cuts of different types.

Types of cut:

Basically there are four types: Single cut, Double cut, Rasp cut, and Curved cut.

Single cut File:

  • A single cut file has rows of teeth cut in one direction across its face.
  • The teeth are at an angle of 60° to the centerline.
  • It can cut chips as wide as the cut of the file.
  • Files with this cut are useful for filing soft metals like brass, aluminum, bronze, and copper. 


Double cut file:

  • A double cut file has two rows of teeth cut diagonal to each other.
  • The first row of teeth is known as OVERCUT and they are cut at an angle of 70°. The other cut, made diagonal to this, is known as UPCUT. and is at an angle of 51°.
  • This removes stock faster than the single-cut file.


Rasp Cut File:

  • The rasp cut has individual, sharp, pointed teeth in a line, and is useful for filing wood, leather and other soft materials.
  • These files are available only in half-round shape.


Curved cut file:

  • These files have deeper cutting action and are useful for filing soft materials like- aluminum, tin, copper, and plastic.
  • The curved cut files are available only in a flat shape.

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