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This section includes 10 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 parameter is important for specifying surface roughness? |
A. | Size of irregularity |
B. | Spacing of irregularity |
C. | Height of irregularities |
D. | Height, spacing and form of irregularities |
Answer» E. | |
2. |
WHICH_OF_THE_FOLLOWING_PARAMETER_IS_IMPORTANT_FOR_SPECIFYING_SURFACE_ROUGHNESS??$ |
A. | Size of irregularity |
B. | Spacing of irregularity |
C. | Height of irregularities |
D. | Height, spacing and form of irregularities |
Answer» E. | |
3. |
Which of the following is used for the direct measurement of surface quality and commonly used in U.S.A.? |
A. | Profilometer |
B. | Tomlinson surface meter |
C. | Talysurf |
D. | Replica method |
Answer» B. Tomlinson surface meter | |
4. |
What do you mean by dominant spacing? |
A. | Distance between successive peaks when irregularities are comparatively uniform in shape and size |
B. | Distance between middle point of successive hills when irregularities are comparatively uniform in shape and size |
C. | Distance between middle point of successive valleys when irregularities are comparatively uniform in shape and size |
D. | Distance between successive peaks when irregularities are regardless of shape and size |
Answer» B. Distance between middle point of successive hills when irregularities are comparatively uniform in shape and size | |
5. |
Which of the following is true about Tomlinson surface meter? |
A. | It is a mechanical instrument |
B. | It is an electrical instrument |
C. | It is a mechanical cum optical instrument |
D. | It is an optical instrument |
Answer» D. It is an optical instrument | |
6. |
How much a stylus instrument can be magnified to plot or find minute irregularities? |
A. | 50 times |
B. | 500 times |
C. | 5000 times |
D. | 50,000 times |
Answer» E. | |
7. |
Which of the following is true for measurement of surface roughness? |
A. | 3 dimensional geometry can be easily measured |
B. | Direction of measurement is perpendicular to the lay |
C. | Direction of measurement is parallel to the lay |
D. | Direction of measurement is parallel to the direction of the predominant surface marking |
Answer» C. Direction of measurement is parallel to the lay | |
8. |
Which of the following is necessary for the complete study of surface roughness? |
A. | Measurement of all the components of elements |
B. | Analysis of all the component element |
C. | Assessment of the effects of combined texture |
D. | Measurement and analysis of all the components and assessment of combined texture |
Answer» E. | |
9. |
Surfaces produced by straight and cylindrical grinding tools tend to create which type of roughness? |
A. | Regularly spaced but directional roughness |
B. | Regularly spaced but non directional roughness |
C. | Irregularly spaced but directional roughness |
D. | Irregularly spaced but non directional roughness |
Answer» D. Irregularly spaced but non directional roughness | |
10. |
What is meant by roughness? |
A. | Minute succession of hills of different height |
B. | Minute succession of valleys and hills of different height and varied spacing |
C. | Minute succession of valleys and hills of same height and same gap |
D. | Minute succession of valleys of different depth |
Answer» C. Minute succession of valleys and hills of same height and same gap | |