Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in All of these Transverse vibrations Longitudinal vibrations Torsional vibrations All of these Transverse vibrations Longitudinal vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° 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 Free vibration with damping Forced vibration with damping Free vibration without damping Forced vibration without damping Free vibration with damping Forced vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Flat faced follower Spherical faced follower Knife edge follower Roller follower Flat faced follower Spherical faced follower Knife edge follower Roller follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ - ω₂)r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS