The Fig. shows the arrangement of wheels in a compound epicyclic gear train. The sun wheel...

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The Fig. shows the arrangement of wheels in a compound epicyclic gear train. The sun wheel S₂ is integral with the annular wheel A₁. The two arms are also integral with each other. The number of teeth on the wheels are as follows: S₁-24, A₁-96, S₂-30, A₂ = 90 1. If the shaft P rotates at 1980 r.p.m., find the speed of the shaft Q, when A₂ is fixed 2. At what speed does Q rotate, when A₂ instead of being fixed, rotates at 198 r.p.m., in the same direction as S₁ which is rotating at 1980 r.p.m.? . P P₁ S₁ A₁ A₂ P₂ S₂ The Fig. shows the arrangement of wheels in a compound epicyclic gear train. The sun wheel S₂ is integral with the annular wheel A₁. The two arms are also integral with each other. The number of teeth on the wheels are as follows: S₁-24, A₁-96, S₂-30, A₂ = 90 1. If the shaft P rotates at 1980 r.p.m., find the speed of the shaft Q, when A₂ is fixed 2. At what speed does Q rotate, when A₂ instead of being fixed, rotates at 198 r.p.m., in the same direction as S₁ which is rotating at 1980 r.p.m.? . P P₁ S₁ A₁ A₂ P₂ S₂