ME6601 L12 Revision

Q1. Which of the following is a primary objective of materials characterization?

• A) To synthesize new materials

• B) To measure and analyze material properties

• C) To increase manufacturing speed

• D) To develop automation in engineering

Q2. Which of the following is/are non-destructive characterisation methods?

• A) X-Ray diffraction (XRD)

• B) Scanning Electron Microscopy (SEM)

• C) Transmission Electron Microscopy (TEM)

• Atom Probe Tpmography (APT)

Q3. Which of the following is/are common objectives of engineering metrology?

• A) Improving precision of measurements

• B) Extending product lifespan

• C) Reducing variability in manufacturing

• D) Enhancing visual appearance

Q4. When a set of readings of a measurement has a wide range, it indicates

• A) High precision

• B) High accuracy

• C) Low precision

• D) Low accuracy

Q5. Calibration of metrological instruments ensures:

• A) Instrument accuracy

• B) Consistent results over time

• C) Increased measurement speed

• D) Safety of the device

Q6. Laser scanning confocal microscopy is commonly used in which fields?

• A) Biomedical sciences

• B) Metallurgical engineering

• C) Structural dynamics

• D) Surface engineering

Q7. Which of the following is/are advantages of Laser Scanning Confocal Microscopy (LSCM)?

• A) High depth resolution

• B) Low sample preparation requirements

• C) Non-contact imaging

• D) Real-time 3D imaging of bulk samples

Q8. Digital Image Correlation is commonly used to measure:

• A) Displacement fields

• B) Strain distribution

• C) Surface temperature

• D) Electrical properties

Q9. DIC is useful in applications involving:

• A) Deformation analysis

• B) Tensile testing

• C) Thermal expansion monitoring

• D) Magnetic property measurements

Q10. XRD is primarily used to determine:

• A) Crystal structure

• B) Surface roughness

• C) Phase composition

• D) Material hardness