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ported on two bearings as shown in Fig. 1. It car naft is receiving 20 kW at pulley A and delivering e diameter of the shaft assuming coefficient of fric 450 rev /min Safe shegr stress for shaft is 50 N/n

ported on two bearings as shown in Fig. 1. It car naft is receiving 20 kW at pulley A and delivering e diameter of the shaft assuming coefficient of fric 450 rev /min Safe shegr stress for shaft is 50 N/n

Elements Of Electromagnetics
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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Q1: A shaft 1.5 m long is supported on two bearings as shown in Fig. 1. It carries two flat belt pulleys as shown. If the shaft is receiving 20 kW at pulley A and delivering the same power at pulley B, determine the diameter of the shaft assuming coefficient of friction for belts to 0.30 and shaft speed to be 450 rev./min. Safe shear stress for shaft is 50 N/mm'. 400 500 600 Weight = 200 N Dia. = 200 mm Weight = 300 N Dia. = 300 mm B (a) Section at B Section at A (c) (b) Fig. 1
Transcribed Image Text:Q1: A shaft 1.5 m long is supported on two bearings as shown in Fig. 1. It carries two flat belt pulleys as shown. If the shaft is receiving 20 kW at pulley A and delivering the same power at pulley B, determine the diameter of the shaft assuming coefficient of friction for belts to 0.30 and shaft speed to be 450 rev./min. Safe shear stress for shaft is 50 N/mm'. 400 500 600 Weight = 200 N Dia. = 200 mm Weight = 300 N Dia. = 300 mm B (a) Section at B Section at A (c) (b) Fig. 1
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