MCQOPTIONS
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MCQOPTIONS
| 1. |
Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for |
| A. | British standard screens. |
| B. | German standard screens (DIN 1171) etc. |
| C. | American standard screens (ASTM and Tyler standard screens). |
| D. | all (a), (b) and (c). |
| Answer» E. | |