Two short shafts with identical diameters of 38.1 mm are connected by a coupling which is fitted with 4 - bolts on a 100 mm bolt circle. The shaft runs at a speed of 400 rpm. The design shearing stress of the bolts is 12 N/mm and the design compressive stress of flanges is 15 N/mm. What is the power transmitted by the short shaft in kW? A. 24.1 kW B. 22.7 kW C. 26.5 kW D. 28.3 kW What diameter of the bolt should be used? A. 18.32 mm B. 20.64 mm C. 16.28 mm D. 14.46 mm How thick should the flanges be in mm? A. 13.02 mm B. 15.54 mm C. 9.07 mm D. 11.51 mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Two short shafts with identical diameters of 38.1 mm are connected by a coupling which is fitted with 4 - bolts on a 100 mm bolt circle. The shaft runs at a speed of 400 rpm. The design shearing stress of the bolts is 12 N/mm and the design compressive stress of flanges is 15 N/mm.

What is the power transmitted by the short shaft in kW?

A. 24.1 kW

B. 22.7 kW

C. 26.5 kW

D. 28.3 kW

What diameter of the bolt should be used?

A. 18.32 mm

B. 20.64 mm

C. 16.28 mm

D. 14.46 mm

How thick should the flanges be in mm?

A. 13.02 mm

B. 15.54 mm

C. 9.07 mm

D. 11.51 mm

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