This symbol represents flatness.

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ISRO SAC Technician B Fitter 6 Nov 2016 Official Paper
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ISRO Technician B: Fitter Full Test 1
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Explanation:

Geometrical tolerance:

  • Geometrical tolerance is the maximum permissible overall variation of form or position or measurements of a feature.
  • The geometrical tolerance consists of a frame which contains a symbol, representing the geometrical tolerance zone.

Recommended symbols for geometrical tolerancing:

  • Geometrical tolerances are arranged into three groups. They are tolerances of form, attitude and location.

Form:

  • Straightness, flatness, roundness, cylindricity and profile of a line and a surface.

Attitude:

  • Parallelism, squareness and angularity.

Location:

  • Position, concentricity and symmetry.

 

Latest ISRO Technician B Fitter Updates

Last updated on May 28, 2025

-> ISRO Technician Fitter recruitment notification 2025 has been released

->Candidates can fill ISRO Fitter application form from June 2 to 16. 

->A total of 20 vacancies are announced for ISRO recruitment 2025 for Fitter.

->Candidates must have passed SSLC/ SSC/ Matriculation and should have NTC/ITI/NAC in ->Fitter Trade Certificate from an NCVT recognized by the government to satisfy the ISRO Technician B Fitter Eligibility Criteria.

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