Paras Defence & Space Technologies Mechanical Engg. Design Interview Questions and Answers

A stress-strain diagram is a graphical representation of the relationship between stress and strain in a material.

• A stress-strain diagram shows how a material deforms under applied stress.

• It helps engineers understand the mechanical properties of a material.

• The diagram typically consists of a linear elastic region, a yield point, and a plastic deformation region.

• The slope of the linear elastic region represents the mat...read more

Aerospace materials are used in the construction of aircraft and spacecraft to ensure strength, durability, and performance.

• Aluminum alloys: Lightweight and corrosion-resistant, commonly used in aircraft structures.

• Titanium alloys: High strength-to-weight ratio, used in engine components and structural parts.

• Composite materials: Combination of fibers and matrix materials, providing high strength and light weight. Examp...read more