Advanced Materials for Industrial Applications Quiz 3

Which of the following best describes the responses of SMART materials?

• Specific, Measurable, Attainable, Relevant, Timely

• Special, Measurable, Advanced, Relevant, Timely

• Specific, Modern, Attainable, Real, Timely

• Special, Modern, Advanced, Real, Trendy

Stimuli can be classified as physical, chemical, and visual.

• TRUE

• FALSE

Which of the following best describes a piezoelectric material?

• A material that converts mechanical stress into an electric charge.

• A materials that expands or contracts when an electric charge is applied.

• Neither.

• Both.

Shape memory materials...

• ...return to a predetermined shape upon cooling.

• ...only have one fixed shape.

• ...return to a predetermined shape upon heating.

• ...remain permanently deformed.

What are the two phases of shape memory materials?

• Martin and Austin

• Martensite and Actinide

• Maritime and Austenite

• Martensite and Austenite

Upon exposure to a magnetic field, magnetorheological fluids experience a decrease in viscosity and become viscoelastic fluids.

• TRUE

• FALSE

Which of the following types of advanced materials change colour upon exposure to light?

• Photoactive materials.

• Chromogenic materials.

• Magnetorheological materials.

• Shape memory materials.

Which of the following stimuli do chromogenic materials not respond to?

• Changes in temperature.

• Changes in pH.

• The presence of water.

• The presence of air.

Vibrational relaxation of excited electrons in photoactive materials lead to what type of luminescence?

• Fluorescence

• Photoluminescence

• Electroluminescence

• Phosphorescence

Which of the following types of materials CANNOT be used in sensing?

I. magnetorheological materials

II. chromogenic materials

III. photoactive materials

IV. shape memory materials

V. piezoelectric materials

• I, III, and V only

• I, II, and III only

• III, IV, and V only

• I and IV only