Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 90° Leads by 180° Lags by 90° Are in phase Leads by 90° Leads by 180° Lags by 90° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an open pair? Ball and socket joint Cam and follower Journal bearing Lead screw and nut Ball and socket joint Cam and follower Journal bearing Lead screw and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Four links Twelve links Eight links Six links Four links Twelve links Eight links Six links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (2/3) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as Logarithmic decrement Magnification factor Damping factor Critical damping ratio Logarithmic decrement Magnification factor Damping factor Critical damping ratio ANSWER DOWNLOAD EXAMIANS APP