Q1 (b): A cold-drawn solid steel shaft is driven at N=287 RPM carries two gears D andE, as shown in the figure. Gear D has an input power of Po 9 kW, while gear E gives an equal output power. For a factor of safety of n=2.5, design the shaft according to the following failure criteria: Assume Sy= 309 MPa, Sut=598 MPa, K=1.4, Ks =1.4 15 kg 15 kg E 0.4 m 0.6 m 0.4 m Calculate the mean torque, Tm in N.m units upto 4 digits after decimal. Enter only numeric value without units. Assume k = 0.81 and the shaft is operating at room temperature of 70°F with 50% reliability.

Q1 (b): A cold-drawn solid steel shaft is driven at N=287 RPM carries two gears D andE, as shown in the figure. Gear D has an input power of Po 9 kW, while gear E gives an equal output power. For a factor of safety of n=2.5, design the shaft according to the following failure criteria: Assume Sy= 309 MPa, Sut=598 MPa, K=1.4, Ks =1.4 15 kg 15 kg E 0.4 m 0.6 m 0.4 m Calculate the mean torque, Tm in N.m units upto 4 digits after decimal. Enter only numeric value without units. Assume k = 0.81 and the shaft is operating at room temperature of 70°F with 50% reliability.

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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