A shaft 30 mm diameter is made from steel with density 7,830 kg/m³. (a) Calculate the weight per meter. (b) the shaft runs between self-aligning bearings 2.2 m apart. The modulus of elasticity E is 200 GN/m². Calculate the lowest critical speed. (c) A pulley is mounted at the middle and this makes the shaft deflect 1.5 mm. Calculate the lowest critical speed. Ans (a) 54.3 N/m, (b) 738 rpm, (c) 760 rpm

A shaft 30 mm diameter is made from steel with density 7,830 kg/m³. (a) Calculate the weight per meter. (b) the shaft runs between self-aligning bearings 2.2 m apart. The modulus of elasticity E is 200 GN/m². Calculate the lowest critical speed. (c) A pulley is mounted at the middle and this makes the shaft deflect 1.5 mm. Calculate the lowest critical speed. Ans (a) 54.3 N/m, (b) 738 rpm, (c) 760 rpm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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