Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Lags by 90° Leads by 90° Leads by 180° Are in phase Lags by 90° Leads by 90° Leads by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π π/ω 2π/ω ω × 2π ω/2π π/ω 2π/ω ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Independent of Equal to Inversely proportional to Directly proportional to Independent of Equal to Inversely proportional to Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is (1/2π). √(2kG/g) 2π. √(2kG/g) 2π. √(kG/g) (1/2π). √(kG/g) (1/2π). √(2kG/g) 2π. √(2kG/g) 2π. √(kG/g) (1/2π). √(kG/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Both linear and angular acceleration No acceleration Only angular acceleration Only linear acceleration Both linear and angular acceleration No acceleration Only angular acceleration Only linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Without vibrations Over-damped Under damped Critically damped Without vibrations Over-damped Under damped Critically damped ANSWER DOWNLOAD EXAMIANS APP