Q12/ An electric motor drive an exhaust fan through an open belt drive. Following data are provided: Motor Pulley Fan Pulley Diameter (mm) 400 1600 Angle of contact (radians) 2.5 Coefficient of friction 0.3 Speed (rpm) Power transmitted (kW) 700 22.5 Calculate the width of 5 mm thick flat belt. Take permissible stress for the belt material as 2.3 MPa, and assuming the density of the belt is 1000 kg/m?.

Q12/ An electric motor drive an exhaust fan through an open belt drive. Following data are provided: Motor Pulley Fan Pulley Diameter (mm) 400 1600 Angle of contact (radians) 2.5 Coefficient of friction 0.3 Speed (rpm) Power transmitted (kW) 700 22.5 Calculate the width of 5 mm thick flat belt. Take permissible stress for the belt material as 2.3 MPa, and assuming the density of the belt is 1000 kg/m?.

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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Concept explainers

Engineering Drawing

Technical drawing has been around since ancient times. As in the ancient Renaissance, complicated drawings were created, including Leonardo da Vinci's drawing. Modern engineering drawing, including its specific orthographic projection with scale conventions, began in Europe (France) during the early stages of Industrialization. L.T. C. Rolt also made some of Marc's drawings for its block-making machinery (in 1799) that also may have contributed significantly to British engineering technology. Since he learned the art of presenting three-dimensional(3D) items in a two-dimensional(2D) plane, as we now term mechanical drawing. 

Question

Q12/ An electric motor drive an exhaust fan through an open belt drive. Following data are provided:
Motor Pulley
Fan Pulley
Diameter (mm)
400
1600
Angle of contact (radians)
2.5
Coefficient of friction
0.3
Speed (rpm)
Power transmitted (kW)
700
22.5
Calculate the width of 5 mm thick flat belt. Take permissible stress for the belt material as
2.3 MPa, and assuming the density of the belt is 1000 kg/m³.

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