MCQOPTIONS
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MCQOPTIONS
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. |
Which of the following is true for precision polygons? |
| A. | It is not possible to make a full calibration of the rotary table with one polygon |
| B. | Correction factor is applicable for reference to the exact centering |
| C. | Reflecting surfaces should be within 6 to 7 seconds of nominal angle |
| D. | Correction factor is not applicable when the centre of the mirror is used in calibration |
| Answer» B. Correction factor is applicable for reference to the exact centering | |
| 2. |
What is the flatness of reflecting faces of precision polygons? |
| A. | Within 0.0002 mm |
| B. | Within 0.0001 mm |
| C. | Within 0.0003 mm |
| D. | Within 0.0004 mm |
| Answer» C. Within 0.0003 mm | |
| 3. |
Which of the following option is true for the given statements about precision polygons?Statement 1: It may have unequal angles. |
| A. | nStatement 2: Polygon with 12 sides is used for most of the works. |
| B. | T, F |
| C. | F, F |
| D. | T, T |
| E. | F, T |
| Answer» D. T, T | |