A band brake is installed on a drum rotating at 250 rpm, and a diameter of 900 mm. The angle of contact is 1.5 pi radians and one end of the brake band is fastened to a fixed pin while the other end of the brake arm is 150 mm from the fixed pin. The coefficient of friction is 0.25 and the straight brake arm is 1000 mm long and is placed perpendicular to the diameter bisecting the angle of contact. Determine the net band pull in kN applied at the end of the brake arm if 50 kW is being absorbed.
A band brake is installed on a drum rotating at 250 rpm, and a diameter of 900 mm. The angle of contact is 1.5 pi radians and one end of the brake band is fastened to a fixed pin while the other end of the brake arm is 150 mm from the fixed pin. The coefficient of friction is 0.25 and the straight brake arm is 1000 mm long and is placed perpendicular to the diameter bisecting the angle of contact. Determine the net band pull in kN applied at the end of the brake arm if 50 kW is being absorbed.
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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A band brake is installed on a drum rotating at 250 rpm, and a diameter of 900 mm. The angle of contact is 1.5 pi radians and one end of the brake band is fastened to a fixed pin while the other end of the brake arm is 150 mm from the fixed pin. The coefficient of friction is 0.25 and the straight brake arm is 1000 mm long and is placed perpendicular to the diameter bisecting the angle of contact. Determine the net band pull in kN applied at the end of the brake arm if 50 kW is being absorbed.
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