An air compressor is driven by a 7.5 HP electric motor with a speed of 1750 rpm with A-60 V-belts of length 73.65 in. The pitch diameter of the small pulley is 110mm and the larger pulley is 224mm. Service factor is 1.2. Determine the arc of contact of the (a) smaller pulley and (b) larger pulley in degrees. Express your answer in 3 decimal places.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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An air compressor is driven by a 7.5 HP electric motor with a speed of 1750 rpm with A-60 V-belts of length 73.65 in. The pitch diameter of the small pulley is 110mm and the larger pulley is 224mm. Service factor is 1.2. Determine the arc of contact of the (a) smaller pulley and (b) larger pulley in degrees. Express your answer in 3 decimal places.

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