Theory of Machine One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 1/2π. √(δ/g) 2π. √(δ/g) 1/2π. √(g/δ) 2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) 1/2π. √(g/δ) 2π. √(g/δ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Lags by 90° Leads by 180° Leads by 90° Are in phase Lags by 90° Leads by 180° Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = 4(l - 1) - 3j n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = 4(l - 1) - 3j n = (l -1) - j n = 2(l - 1) - 2j n = 3(l - 1) - 2j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Four bar chain mechanism Slider-crank mechanism Acceleration polygon Velocity polygon Four bar chain mechanism Slider-crank mechanism Acceleration polygon Velocity polygon ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Opposite to angular velocity May be any one of these Perpendicular to angular velocity Along the angular velocity Opposite to angular velocity May be any one of these Perpendicular to angular velocity Along the angular velocity ANSWER DOWNLOAD EXAMIANS APP
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