Godrej & Boyce Manufacturing Mechanical Engineer Interview Questions and Answers

We use a variety of materials in mechanical design.

• Metals such as steel, aluminum, and titanium

• Plastics such as ABS, polycarbonate, and nylon

• Composites such as carbon fiber and fiberglass

• Ceramics and glass

• Natural materials such as wood and leather

• Fluids such as hydraulic and pneumatic fluids

• Adhesives and coatings

• Additive manufacturing materials such as PLA and ABS filaments

In a 4 point bending test, the stresses and moments are described, along with the failure and fracture behavior.

• In a 4 point bending test, a beam is subjected to bending forces at two points and supported at two other points.

• The stresses in the beam are highest at the top and bottom surfaces, resulting in tension and compression.

• The moments in the beam are highest at the points of loading and decrease towards the suppo...read more