Theory of Machine Which of the following is an open pair? Lead screw and nut Cam and follower Journal bearing Ball and socket joint Lead screw and nut Cam and follower Journal bearing Ball and socket joint 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 = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body is subjected to transverse vibrations, the stress induced in a body will be Compressive stress Tensile stress Shear stress Bending stress Compressive stress Tensile stress Shear stress Bending stress ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of successfully constrained motion is a Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve Motion of the shaft between a footstep bearing All of these Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve Motion of the shaft between a footstep bearing All of these ANSWER DOWNLOAD EXAMIANS APP
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