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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. | |