Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Is in motion Is at rest Just begins to slide over the surface of the other body None of these Is in motion Is at rest Just begins to slide over the surface of the other body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Wilson Hartnell governor Pickering governor Hartung governor Inertia governor Wilson Hartnell governor Pickering governor Hartung governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In higher pair, the relative motion is Combination of sliding and turning Purely turning Purely sliding Purely rotary Combination of sliding and turning Purely turning Purely sliding Purely rotary ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Cam and follower Both (A) and (B) above Ball and socket i Piston and cylinder Cam and follower Both (A) and (B) above Ball and socket i Piston and cylinder 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 sinφ r tanφ r cosφ (r/2) cosφ r sinφ r tanφ r cosφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Free vibration without damping Forced vibration without damping Forced vibration with damping Free vibration with damping Free vibration without damping Forced vibration without damping Forced vibration with damping Free vibration with damping ANSWER DOWNLOAD EXAMIANS APP