A single cylinder reciprocating engine has speed 240 rpm, reciprocating mass of 50kg and crank radius 150mm. If two third of the mass is to be balanced by a rotating mass, find: a) The balance mass required at a radius of 400mm. b) The residual unbalanced force when the crank has rotated 60° from inner dead center.

A single cylinder reciprocating engine has speed 240 rpm, reciprocating mass of 50kg and crank radius 150mm. If two third of the mass is to be balanced by a rotating mass, find: a) The balance mass required at a radius of 400mm. b) The residual unbalanced force when the crank has rotated 60° from inner dead center.

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

A single cylinder reciprocating engine has speed
240 rpm, reciprocating mass of 50kg and crank
radius 150mm. If two third of the mass is to be
balanced by a rotating mass,
find:
a) The balance mass required at a radius of
400mm.
b) The residual unbalanced force when the crank
has rotated 60° from inner dead center.

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