Theory of Machine In involute gears, the pressure angle is Dependent on the size of gears Always variable Always constant Dependent on the size of teeth Dependent on the size of gears Always variable Always constant Dependent on the size of teeth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 45° and 225° 180° and 270° 270° and 360° 90° and 180° 45° and 225° 180° and 270° 270° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Is in phase Leads by 180° Lags by 90° Leads by 90° Is in phase Leads by 180° Lags by 90° Leads by 90° 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 I₂/G I₂/G² G.I₂ G².I₂ I₂/G I₂/G² G.I₂ G².I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y ANSWER DOWNLOAD EXAMIANS APP
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 tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ ANSWER DOWNLOAD EXAMIANS APP
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