Q14:- An epicyclic gear train as shown in the Fig. below consists of two sun wheels (A) and (D) with 28 and 24 teeth respectively, engaged with a compound planet wheels (B) and (C) with 22 and 26 teeth respectively. The sun wheel D is keyed to the driven shaft and the sun wheel A is a fixed wheel co-axial with the driven shaft. The planet wheels are carried on an arm (E) from the driving shaft which is co- axial with the driven shaft. Find the velocity ratio of the gear train. If 1 hp is transmitted and the input speed being 100 rpm, determine the torque required to hold the sun wheel A stationary.

Q14:- An epicyclic gear train as shown in the Fig. below consists of two sun wheels (A) and (D) with 28 and 24 teeth respectively, engaged with a compound planet wheels (B) and (C) with 22 and 26 teeth respectively. The sun wheel D is keyed to the driven shaft and the sun wheel A is a fixed wheel co-axial with the driven shaft. The planet wheels are carried on an arm (E) from the driving shaft which is co- axial with the driven shaft. Find the velocity ratio of the gear train. If 1 hp is transmitted and the input speed being 100 rpm, determine the torque required to hold the sun wheel A stationary.

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

Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.

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Q14:- An epicyclic gear train as shown in the Fig. below consists of two
sun wheels (A) and (D) with 28 and 24 teeth respectively, engaged with
a compound planet wheels (B) and (C) with 22 and 26 teeth
respectively. The sun wheel D is keyed to the driven shaft and the sun
wheel A is a fixed wheel co-axial with the driven shaft. The planet
wheels are carried on an arm (E) from the driving shaft which is co-
axial with the driven shaft. Find the velocity ratio of the gear train. If 1
hp is transmitted and the input speed being 100 rpm, determine the
torque required to hold the sun wheel A stationary.

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