Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of secondary forces Minimize the effect of primary forces To start the locomotive quickly Have perfect balancing Minimize the effect of secondary forces Minimize the effect of primary forces To start the locomotive quickly Have perfect balancing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to -1 2 1 -1 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Equal to Independent of Directly proportional to Inversely proportional to Equal to Independent of Directly proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to speed Directly proportional to (speed)² Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to speed Directly proportional to (speed)² 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 = [(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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
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