Explore topic-wise MCQs in Engineering Metrology.

This section includes 13 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.

Which of the following option is true for given statements about method of measurement of surface finish?Statement 1: Minute flaws can be easily detected by touch inspection.Statement 2: Direct instrument measurement is enabled to determine a numerical value of surface finish.

A. F, T
B. T, F
C. F, F
D. T, T
Answer» B. T, F
2.

WHICH_OF_THE_FOLLOWING_METHOD_USE_PENDULUM_IN_MEASURING_THE_SURFACE_FINISH??$

A. Micro interferometer
B. Wallace surface dynamometer
C. Reflected light intensity method
D. Microscopic inspection
Answer» C. Reflected light intensity method
3.

Which of the following is the direct measure of surface finish in Wallace surface dynamometer?$

A. Time of swing
B. Angle of swing
C. Length of swing
D. Height of swing
Answer» B. Angle of swing
4.

Which of the following is not true for the method of measurement of surface finish by micro interferometer?$

A. Optical flat is used
B. Monochromatic source of light is used
C. Depth of defect can’t be measured
D. Interference lines plays an important role in identification of the defect
Answer» D. Interference lines plays an important role in identification of the defect
5.

Which of the following is a destructive method in measuring surface finish?

A. Gloss measurement
B. Taper sectioning
C. Diffraction technique
D. Micro interferometer
Answer» C. Diffraction technique
6.

In case of vertical illumination in measuring surface finish with surface photographs, which will appear as bright area?

A. Flat portion
B. Scratch
C. Irregularity
D. Hills
Answer» B. Scratch
7.

Which of the following is true for a method of measurement of surface finish with surface photographs?

A. Different type of illumination is needed
B. No effect of type of illumination
C. Same type of illumination is needed
D. Monochromatic light is needed
Answer» B. No effect of type of illumination
8.

In the method of microscopic inspection what is the angle of beam light with the work?

A. 20<sup>0</sup>
B. 30<sup>0</sup>
C. 60<sup>0</sup>
D. 90<sup>0</sup>
Answer» D. 90<sup>0</sup>
9.

What is the limitation of microscopic inspection to check surface finish?

A. An average value is needed
B. Small portion of surface can be detected at a time
C. A master finish surface is also needed
D. It is necessary to inspect whole surface together
Answer» C. A master finish surface is also needed
10.

Which of the following option is true for given statements about method of measurement of surface finish?

A.
B.
Answer» B.
11.

Which of the following material is not used for rubbing on the surface to be inspected in scratch inspection?

A. Softer material
B. Hard material
C. Plastic
D. Lead babbitt
Answer» C. Plastic
12.

Upto which limits irregularities can be detected with touch inspection of a surface?

A. 0.0001 mm
B. 0.001 mm
C. 0.01 mm
D. 0.1 mm
Answer» D. 0.1 mm
13.

Which of the following is the best for the examination of surface finish?

A. Touch inspection
B. Visual inspection
C. Scratch inspection
D. Microscopic inspection
Answer» E.