Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves Perpendicular to its axis In a circle about its axis Parallel to its axis None of these Perpendicular to its axis In a circle about its axis Parallel to its axis None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Free vibration Under damped vibration Damped vibration Forced vibration Free vibration Under damped vibration Damped vibration Forced vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Leads by 180° Is in phase Leads by 90° Lags by 90° Leads by 180° Is in phase Leads by 90° Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 1.4 N-s/m 52.92 N-s/m 529.2 N-s/m 18.52 N-s/m 1.4 N-s/m 52.92 N-s/m 529.2 N-s/m 18.52 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. None of these Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y ANSWER DOWNLOAD EXAMIANS APP