McqMate
| Q. |
best method for examining the surface finish. Visual, touch and scratch inspection methods are not as accurate as microscopic. In these methods, minute flaws can’t be detected. |
| A. | 0.0001 mm |
| B. | 0.001 mm |
| C. | 0.01 mm |
| D. | 0.1 mm |
| Answer» C. 0.01 mm | |
| Explanation: touch inspection method can tell which surface is rougher. in this method, the finger-tip is moved along the surface at a speed of about 25/sec and the irregularities of about 0.01 mm can be easily detected. | |
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