MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
For bi-directional fringe counting, how many detectors are placed for better balance? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 2. |
Which of the following is not true for glass scales? |
| A. | Graduations can be produced by depositing material |
| B. | Easily polished |
| C. | Able to work in case of reflected light but not in transmitting light |
| D. | Ordinary glass has 15-30% less thermal coefficient of expansion than steel |
| Answer» D. Ordinary glass has 15-30% less thermal coefficient of expansion than steel | |
| 3. |
Which of the following option is true for the given statements?Statement 1: Stainless steel has a high thermal coefficient of expansion than cast iron hence used to make scales.Statement 2: Most of the scales are produced by duplicating from master scale. |
| A. | T, F |
| B. | F, F |
| C. | T, T |
| D. | F, T |
| Answer» E. | |
| 4. |
WHICH_OF_THE_FOLLOWING_IS_NOT_TRUE_FOR_GLASS_SCALES??$ |
| A. | Graduations can be produced by depositing material |
| B. | Easily polished |
| C. | Able to work in case of reflected light but not in transmitting light |
| D. | Ordinary glass has 15-30% less thermal coefficient of expansion than steel |
| Answer» D. Ordinary glass has 15-30% less thermal coefficient of expansion than steel | |
| 5. |
For bi-directional fringe counting, how many detectors are placed for better balance?$ |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 6. |
What is the condition to obtain fringes of high intensity? |
| A. | Distance between scale and index grating is as far as possible |
| B. | Distance between scale and index grating is minimum |
| C. | Scale and index grating should be overlapped |
| D. | Scale and index grating should be at the right angle |
| Answer» C. Scale and index grating should be overlapped | |
| 7. |
For how much travel length, metal reflecting gratings are used? |
| A. | 600 mm |
| B. | 900 mm |
| C. | 1700 mm |
| D. | Greater than 1800 mm |
| Answer» E. | |
| 8. |
Which type of visual scale line setting against an index is widely used in sophisticated machines? |
| A. | Simple superposition type |
| B. | Alignment of vernier setting |
| C. | Symmetrical forming between two index marks |
| D. | Asymmetrical forming between index marks |
| Answer» D. Asymmetrical forming between index marks | |
| 9. |
What is the length of Prismatic grating? |
| A. | 500 mm |
| B. | 400 mm |
| C. | 300 mm |
| D. | 200 mm |
| Answer» E. | |
| 10. |
Which of the following option is true for scales and gratings? |
| A. | Ruling in scales are closely spaced |
| B. | Ruling in gratings is far apart |
| C. | Vernier device is required with scales |
| D. | Ruling in scale forms a periodic pattern |
| Answer» D. Ruling in scale forms a periodic pattern | |
| 11. |
What is the alternate name of amplitude grating? |
| A. | Ronchi ruling |
| B. | Prismatic grating |
| C. | Phase grating |
| D. | Index grating |
| Answer» B. Prismatic grating | |
| 12. |
What is the range of line spacings in gratings? |
| A. | 4 to 200 per mm |
| B. | 200 to 400 per mm |
| C. | 10 to 500 per mm |
| D. | 500 to 600 per mm |
| Answer» B. 200 to 400 per mm | |