BAIF Institute for Sustainable Livelihoods and Development Senior Project Officer Interview Questions and Answers

Explaining the process of writing on a blackboard using chalk and showing the distribution of stress in a shaft undergoing torque.

• To write on a blackboard, the chalk is pressed against the surface, leaving a mark due to friction

• The hardness of the chalk and the roughness of the board surface affect the quality of the writing

• When a shaft undergoes torque, stress is distributed along its length according to the torque an...read more

Failure theories explain the reasons for failure of materials under different loading conditions.

• Maximum shear stress theory

• Maximum normal stress theory

• Maximum strain energy theory

• Distortion energy theory

• Mohr's theory

• Coulomb's theory

• Rankine's theory

• St. Venant's theory