Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope All of these Valve and valve gears Pantograph Gyroscope All of these Valve and valve gears Pantograph 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 = [(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 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 Unstable Stable None of these Isochronous Unstable Stable None of these Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Sliding pair Closed pair Point contact pair Open pair Sliding pair Closed pair Point contact pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is Less than 2 Equal to 1 Greater than 2 Equal to 2 Less than 2 Equal to 1 Greater than 2 Equal to 2 ANSWER DOWNLOAD EXAMIANS APP
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