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1. |
What is the tensile strength of blade of feeler gauge with thickness up to 0.5 mm? |
A. | 170 kgf/mm<sup>2</sup> |
B. | 270 kgf/mm<sup>2</sup> |
C. | 50 kgf/mm<sup>2</sup> |
D. | 70 kgf/mm<sup>2</sup> |
Answer» B. 270 kgf/mm<sup>2</sup> | |