Explore topic-wise MCQs in Engineering Metrology.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.

1.

How many diffraction gratings are used by interferometer in grazing incident technique with laser beam system?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
2.

Which of the following statement is true about the grazing incident technique used to evaluate surface flatness?
Statement 1: Grazing incidence design turns rough surface into polished mirror surface to facilitate measurement.

A. nStatement 2: It is important to prevent test beam to strike at grazing angle for measurement performance.
B. F, F
C. T, T
D. F, T
E. T, F
Answer» E. T, F
3.

How many data points can be analyzed in 20 seconds using grazing incidence interferometry?

A. 35,000
B. 45,000
C. 55,000
D. 65,000
Answer» E.