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This section includes 17 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 term is used for errors of first and second order? |
A. | Micro geometrical error |
B. | Macro geometrical error |
C. | Mini geometrical error |
D. | Mili geometrical error |
Answer» C. Mini geometrical error | |
2. |
Under which category, does the error arises due to non-linear feed motion falls? |
A. | Second group |
B. | Primary texture |
C. | Waviness |
D. | Roughness |
Answer» D. Roughness | |
3. |
Which of the following is true about texture in case of finishing process? |
A. | Directional and irregular |
B. | Regular and directional |
C. | Irregular and non-directional |
D. | Regular and non-directional |
Answer» D. Regular and non-directional | |
4. |
Which type of irregularities comes under the first group? |
A. | First and second order |
B. | Second and third order |
C. | Third and fourth order |
D. | First and fourth order |
Answer» B. Second and third order | |
5. |
Under which group, does third order irregularities fall? |
A. | Primary group |
B. | Secondary group |
C. | First group |
D. | Second group |
Answer» E. | |
6. |
Match the following order with their irregularities. |
A. | A-3, B-2, C-4, D-1 |
B. | A-2, B-4, C-1, D-3 |
C. | A-2, B-4, C-3, D-1 |
D. | A-1, B-2, C-4, D-3View Answer |
Answer» C. A-2, B-4, C-3, D-1 | |
7. |
Which of the following option is true for given statements about surface texture?Statement 1: Concept of surface roughness is sensory.Statement 2: Failure due to fatigue starts always at sharp corners. |
A. | T, F |
B. | F, T |
C. | F, F |
D. | T, T |
Answer» E. | |
8. |
UNDER_WHICH_GROUP,_DOES_THIRD_ORDER_IRREGULARITIES_FALL??$ |
A. | Primary group |
B. | Secondary group |
C. | First group |
D. | Second group |
Answer» B. Secondary group | |
9. |
Which of the following is true about texture in case of finishing process?$ |
A. | Directional and irregular |
B. | Regular and directional |
C. | Irregular and non-directional |
D. | Regular and non-directional |
Answer» D. Regular and non-directional | |
10. |
Which_type_of_irregularities_comes_under_the_first_group?$ |
A. | First and second order |
B. | Second and third order |
C. | Third and fourth order |
D. | First and fourth order |
Answer» D. First and fourth order | |
11. |
Which of the following option is true if hills and valleys on any surface are very close? |
A. | Wavelength is more |
B. | Wavelength is small |
C. | Surface appears more wavy |
D. | Surface appears rough but wavelength is more |
Answer» C. Surface appears more wavy | |
12. |
Under_which_category,_does_the_error_arises_due_to_non-linear_feed_motion_falls? |
A. | Second group |
B. | Primary texture |
C. | Waviness |
D. | Roughness |
Answer» C. Waviness | |
13. |
In how many categories, geometrical irregularities can be classified? |
A. | 3 |
B. | 2 |
C. | 4 |
D. | 5 |
Answer» D. 5 | |
14. |
Under which group, does waviness in surface falls? |
A. | Primary texture |
B. | Secondary texture |
C. | Tertiary texture |
D. | Quaternary texture |
Answer» C. Tertiary texture | |
15. |
Which of the following is not true about first order irregularities? |
A. | Arising due to irregularities in machine tool itself |
B. | Arising due to weight of material itself |
C. | Arise due to vibrations |
D. | May arises due to deformation of work under action |
Answer» D. May arises due to deformation of work under action | |
16. |
What is the relation between rate of wear and contact surface area? |
A. | Rate of wear is inversely proportional to the contact surface area |
B. | Rate of wear is directly proportional to the contact surface area |
C. | Rate of wear is inversely proportional to the square of contact surface area |
D. | Rate of wear is directly proportional to the square of contact surface area |
Answer» C. Rate of wear is inversely proportional to the square of contact surface area | |
17. |
What is the importance of the valley in any irregular surface? |
A. | Reduce metal to metal contact |
B. | Retain film of lubricating oil |
C. | Reduce stress concentration |
D. | Improve surface texture |
Answer» C. Reduce stress concentration | |