Q2 / A shaft transmitting 15kW at 200r.p.m. are supported by two bearingsplaced 1 m apart. A 600 mm diameter pulley is mounted at a distance of 300mm to the right of left hand bearing and this drives a pulley directly below itwith the help of belt having maximum tension of 2.25kN. Another pulley 400mm diameter is placed 200 mm to the left of right hand bearing and is drivenwith the help of electric motor and belt having maximum tension of 3.376kN,which is placed horizontally to the right. The angle of contact for both thepulleys is180° and u=0.24. Determine the suitable diameter for a solid shaftif the bending moment acting on the shaft is reversed, allowing workingstress of 42MPA in shear for the material of shaft and have yield stress of400MPA and ultimate stress of 500MPA.And design the keys which support each pulley if the material of the keys is thesame for the material of shaft.

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Answered: - and this drives a pulley n tension of…

- and this drives a pulley n tension of 2.25KN. An ne left of right hand bear. elt having maximum tens right The angle of con

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

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Q2 / A shaft transmitting 15kW at 200r.p.m. are supported by two bearings
placed 1 m apart. A 600 mm diameter pulley is mounted at a distance of 300
mm to the right of left hand bearing and this drives a pulley directly below it
with the help of belt having maximum tension of 2.25kN. Another pulley 400
mm diameter is placed 200 mm to the left of right hand bearing and is driven
with the help of electric motor and belt having maximum tension of 3.376kN,
which is placed horizontally to the right. The angle of contact for both the
pulleys is180° and u=0.24. Determine the suitable diameter for a solid shaft
if the bending moment acting on the shaft is reversed, allowing working
stress of 42MPA in shear for the material of shaft and have yield stress of
400MPA and ultimate stress of 500MPA.
And design the keys which support each pulley if the material of the keys is the
same for the material of shaft.

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