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| 1. |
What are the upper and lower limits of the shaft represented by 60 f8 ? Use the following data : Diameter 60 lies in the diameter step of 50-80 mm. Fundamental tolerance unit, i, in m = 0.45 D1/3 + 0.001 D, where D is the representative size in mm; Tolerance value for IT8 = 25i. Fundamental deviation for f shaft = 5.5 D 0.41 |
| A. | lower lim. = 59.924 mm, Upper lim. = 59.970 mm |
| B. | lower lim. = 59.954 mm, Upper lim. = 60.000 mm |
| C. | lower lim. = 59.970 mm, Upper lim. = 60.016 mm |
| D. | lower limit = 60.000 mm, Upper limit = 60.046 mm |
| Answer» B. lower lim. = 59.954 mm, Upper lim. = 60.000 mm | |