 
			 
			MCQOPTIONS
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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. | |