MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
At which part of the precision straight edge is generally lapped? |
| A. | Edges only |
| B. | Base only |
| C. | Base and edges both |
| D. | All over the surface |
| Answer» B. Base only | |
| 2. |
Which of the following is not the factor affecting the accuracy of straightness measurement by optics? |
| A. | Air turbulence |
| B. | Optics fixed rigidly |
| C. | Slope error |
| D. | Localised heat sources |
| Answer» C. Slope error | |
| 3. |
What is the range of straightness measurement in straightness measurement optics? |
| A. | ±2.5 mm |
| B. | ±5 mm |
| C. | ±10 mm |
| D. | ±20 mm |
| Answer» B. ¬¨¬®¬¨¬±5 mm | |
| 4. |
What is the position of straightness interferometer in straightness measurement optics? |
| A. | Before laser head |
| B. | After straightness reflector |
| C. | Between laser head and straightness reflector |
| D. | No need of interferometer |
| Answer» D. No need of interferometer | |
| 5. |
What is the name of a pair of straight edges? |
| A. | Drum sticks |
| B. | Lower pair |
| C. | Winding sticks |
| D. | Self closed pair |
| Answer» D. Self closed pair | |
| 6. |
For checking straightness, straight edge is placed over a surface and these two are viewed against the light. Which of the following option true if colour of light is red? |
| A. | Gap between 0.12 to 0.17 mm |
| B. | Gap between 0.2 to 0.7 mm |
| C. | Gap between 1.7 to 2 mm |
| D. | Gap between 0.0012 to 0.0017 mm |
| Answer» E. | |
| 7. |
What is the tolerance of the straightness of a line? |
| A. | Maximum deviation from the straight line joining two extremities |
| B. | Maximum deviation from the middle point of straight line joining two extremities |
| C. | Minimum deviation from the straight line joining two extremities |
| D. | Minimum deviation from the middle point of straight line joining two extremities |
| Answer» B. Maximum deviation from the middle point of straight line joining two extremities | |
| 8. |
Which of the following represents the quality of straightness in precision engineering? |
| A. | Spirit level |
| B. | Straight edge |
| C. | Autocollimator |
| D. | Dial indicator |
| Answer» C. Autocollimator | |
| 9. |
Who gave the fundamental principle of straightness measurement? |
| A. | Bryan |
| B. | Moire |
| C. | Euler |
| D. | Amedeo |
| Answer» B. Moire | |