Theory of Machine The approximate straight line mechanism is a 3 bar linkage Four bar linkage 6 bar linkage 8 bar linkage 3 bar linkage Four bar linkage 6 bar linkage 8 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank Cross-head Crank pin Connecting rod Crank Cross-head Crank pin Connecting rod ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.8 0.4 0.2 0.6 0.8 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) I ω ωP (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP (1/2). I ω ωP (1/2).Iω² Iω² ANSWER DOWNLOAD EXAMIANS APP
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 Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
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