Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π One Zero π/2 π One Zero π/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the center of drum, and n = Number of blocks) T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Both (A) and (B) above Wears rapidly Bulky Difficult to manufacture Both (A) and (B) above Wears rapidly Bulky Difficult to manufacture ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Kinematic chain Structure Inversion Mechanism Kinematic chain Structure Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be None of these Unstable Isochronous Stable None of these Unstable Isochronous Stable ANSWER DOWNLOAD EXAMIANS APP
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