Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 1.5 0.5 2 1 1.5 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Close pair Higher pair Open pair Lower pair Close pair Higher pair Open pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Permit relative motion Have line contact Are held together Have surface contact Permit relative motion Have line contact Are held together ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, 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 The mechanism in which two are turning pairs and two are sliding pairs, is called a Elliptical trammel Scotch yoke mechanism Double slider crank chain All of these Elliptical trammel Scotch yoke mechanism Double slider crank chain All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Mass and stiffness Stiffness and eccentricity Stiffness Mass Mass and stiffness Stiffness and eccentricity Stiffness Mass ANSWER DOWNLOAD EXAMIANS APP