EDP(03/06/25):Material Testing for Characteristics

Why must engineers test materials before using them in applications?

• To reduce costs

• To ensure they meet required standards

• To increase production speed

• To improve aesthetics

What properties does testing determine in materials?

• Color and texture

• Strength, durability, conductivity, and flexibility

• Weight and size

• Cost and availability

What does electrical conductivity testing measure?

• Heat resistance

• Electrical resistance

• Electrical conductivity

• Material density

What is the main focus of tensile strength testing?

• Measuring the weight of a material

• Determining the color of a material

• Assessing how much force a material can withstand before breaking

• Evaluating the thermal conductivity of a material

Which material is NOT mentioned as having high tensile strength?

• Steel

• Carbon fiber

• Titanium

• Copper

What is the primary focus of hardness testing?

• Flexibility

• Resistance to deformation or scratching

• Color

• Weight

Which of the following materials is known for high tensile strength?

• Rubber

• Carbon fiber

• Glass

• Wood

Which of the following is a real-life application of hardness?

• Jewelry making

• Cutting tools

• Textile production

• Food processing

Which method is used to measure heat transfer through a material?

• Laser Flash Analysis (LFA)

• Water Displacement Method

• Colorimetric Analysis

• Spectroscopy

What is the primary focus of thermal conductivity testing?

• Electrical resistance

• Heat transfer

• Magnetic properties

• Optical clarity