Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 n n/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x 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 = 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 T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be Zero Maximum None of these Minimum Zero Maximum None of these Minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Structure Inversion Machine Mechanism Structure Inversion Machine Mechanism ANSWER DOWNLOAD EXAMIANS APP
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