Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ (r/2) cosφ r tanφ r sinφ r cosφ (r/2) cosφ r tanφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) tanφ + cotα = b/c cotφ - cotα = c/b cosφ - sinα = c/b sinφ + sinα = b/c tanφ + cotα = b/c cotφ - cotα = c/b cosφ - sinα = c/b sinφ + sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear train is used for higher velocity ratios in a small space? Compound gear train Reverted gear train Epicyclic gear train Simple gear train Compound gear train Reverted gear train Epicyclic gear train Simple gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Higher pairs Rolling pairs Turning pairs Sliding pairs Higher pairs Rolling pairs Turning pairs Sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ G².I₂ I₂/G I₂/G² G.I₂ G².I₂ I₂/G I₂/G² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs ANSWER DOWNLOAD EXAMIANS APP
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