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#58913 Bangla Language & Literature General Level 0

Coulomb failure envelop সমতলের সাথে যে কোণ তৈরি করে তাকে কী বলে?

  1. A Angle of attack
  2. B Angle of incidence
  3. C Angle of internal friction
  4. D Angle of repose
Answer: C - Angle of internal friction

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