Non-Destructive Testing

Non-Destructive Testing (NDT) is a method used to:

• evaluate the properties of a material without causing damage

• destroy the material to test its properties

• test the material by altering its structure

• none of the above

True or False: Non-Destructive Testing allows inspection of components while they are in operation or service, minimizing downtime.

• True

• False

Non-Destructive Testing is applicable to which of the following materials?

• Metals

• Plastics

• Ceramics

• All of the above

Liquid Penetrant Testing (PT) highlights surface-breaking cracks and defects using ______.

• liquid dyes.

• ultrasound waves.

• magnetic fields.

• X-rays.

Eddy Current Testing (ECT) detects defects in conductive materials using ______.

• electromagnetic fields.

• ultrasonic waves.

• infrared radiation.

• mechanical vibrations.

What is the purpose of Radiographic Testing (RT)?

• To detect internal defects in materials

• To measure temperature

• To test electrical conductivity

• To analyze chemical composition

What is observed during the Magnetic Particle Testing process to identify flaws?

• Formation of magnetic lines of force

• Accumulation of magnetic particles

• Change in color of the test surface

• Emission of light from the test surface

The purpose of Liquid Penetrant Testing (PT) is to:

• detect surface defects

• measure thickness

• determine material composition

• assess hardness

Applications of Eddy Current Testing (ECT) include:

• Detecting surface and sub-surface defects in conductive materials

• Measuring the thickness of non-conductive coatings on conductive substrates

• Inspecting welds and heat-affected zones

• All of the above

How does Eddy Current Testing (ECT) detect defects?

• By using magnetic fields to induce currents in the material and detecting disruptions

• By visual inspection of the material surface

• By measuring the thermal conductivity of the material

• By analyzing the chemical composition of the material