MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
What is the range of the diameter of optical flats used in testing the flatness? |
| A. | 25mm to 300mm |
| B. | 1mm to 100mm |
| C. | 50mm to 500mm |
| D. | 1mm to 10mm |
| Answer» B. 1mm to 100mm | |
| 2. |
Which of the following is true for testing flatness with optical flats? |
| A. | Too large angle of work with flat is desirable |
| B. | Number of bands appears is an indication of flatness |
| C. | Bands are viewed as perpendicularly as possible |
| D. | Quartz flats are very sensitive to temperature changes |
| Answer» D. Quartz flats are very sensitive to temperature changes | |
| 3. |
What is flatness error? |
| A. | Maximum separation of a pair of parallel planes which will contain all points on the surface |
| B. | Minimum separation of a pair of parallel planes which will contain all points on the surface |
| C. | Minimum separation of a pair of perpendicular planes which will contain all points on the surface |
| D. | Maximum separation of a pair of perpendicular planes which will contain all points on the surface |
| Answer» C. Minimum separation of a pair of perpendicular planes which will contain all points on the surface | |
| 4. |
Which of the following option is true for given statements for flatness testing?Statement 1: Straight edges can be used to check flatness.Statement 2: Single ended straight edge can be used to determine flatness of the surface. |
| A. | T, T |
| B. | F, F |
| C. | T, F |
| D. | F, T |
| Answer» B. F, F | |
| 5. |
WHAT_IS_FLATNESS_ERROR??$ |
| A. | Maximum separation of a pair of parallel planes which will contain all points on the surface |
| B. | Minimum separation of a pair of parallel planes which will contain all points on the surface |
| C. | Minimum separation of a pair of perpendicular planes which will contain all points on the surface |
| D. | Maximum separation of a pair of perpendicular planes which will contain all points on the surface |
| Answer» C. Minimum separation of a pair of perpendicular planes which will contain all points on the surface | |
| 6. |
What is the range of the diameter of optical flats used in testing the flatness?$ |
| A. | 25mm to 300mm |
| B. | 1mm to 100mm |
| C. | 50mm to 500mm |
| D. | 1mm to 10mm |
| Answer» B. 1mm to 100mm | |
| 7. |
Which_of_the_following_is_true_for_testing_flatness_with_optical_flats?$ |
| A. | Too large angle of work with flat is desirable |
| B. | Number of bands appears is an indication of flatness |
| C. | Bands are viewed as perpendicularly as possible |
| D. | Quartz flats are very sensitive to temperature changes |
| Answer» D. Quartz flats are very sensitive to temperature changes | |
| 8. |
What are the requirements for the measurement of flatness using light? |
| A. | Monochromatic light and a pair of optical flats |
| B. | Dichromatic light and sets of optical flats |
| C. | White light and a pair of optical flats |
| D. | Monochromatic light and sets of optical flats |
| Answer» E. | |
| 9. |
Which of the following option is not true for flatness testing? |
| A. | Geometrical plane can be represented by a family of straight lines |
| B. | Flatness can be tested by grid and half grid method |
| C. | Three and four edge type straight edge cannot be used for this purpose |
| D. | Geometrical plane can be represented by a surface plane |
| Answer» D. Geometrical plane can be represented by a surface plane | |
| 10. |
Which of the following option is true for given statements for flatness testing? |
| A. | |
| B. | |
| Answer» B. | |
| 11. |
Which of the following method is used for the determination of flatness when the surface is irregular? |
| A. | Half grid method |
| B. | Grid method |
| C. | Contact method |
| D. | Non contact method |
| Answer» D. Non contact method | |
| 12. |
When the flatness is measured with the use of optical flats, at what distance bands should be viewed? |
| A. | Distance 10 times the diameter of optical flats |
| B. | Distance 5 times the diameter of optical flats |
| C. | Distance 8 times the diameter of optical flats |
| D. | Distance 2 times the diameter of optical flats |
| Answer» B. Distance 5 times the diameter of optical flats | |
| 13. |
As per IS: 2063-1962, which surface is considered as a flat surface? |
| A. | When variation of perpendicular distance from geometrical reference plane remains above a given point |
| B. | When variation of diagonal distance from geometrical reference plane remains below a given point |
| C. | When variation of perpendicular distance from geometrical reference plane remains below a given point |
| D. | When variation of sides distance from geometrical reference plane remains above a given point |
| Answer» D. When variation of sides distance from geometrical reference plane remains above a given point | |
| 14. |
Determination of flatness using Prussian blue is used for which kind of surfaces? |
| A. | Small surfaces |
| B. | Large surfaces |
| C. | Both large and small surfaces |
| D. | For surfaces with fine smoothness |
| Answer» B. Large surfaces | |
| 15. |
For checking the flatness, which of the following is used to mark the surface? |
| A. | Scriber |
| B. | Prussian blue |
| C. | Alcohol |
| D. | Ruler |
| Answer» C. Alcohol | |