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 the equation are __________ then the system will be under damped. Equal None of these Complex conjugate Real Equal None of these Complex conjugate Real ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is Parallel to the link joining the points None of the listed here Perpendicular to the link joining the points At 45° to the link joining the points Parallel to the link joining the points None of the listed here Perpendicular to the link joining the points At 45° to the link joining the points ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The purpose of a link is to Transmit motion Guide other links All of these Act as a support Transmit motion Guide other links All of these Act as a support ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If some links are connected such that motion between them can take place in more than one direction, it is called Partially constrained motion Incompletely constrained motion Successfully constrained motion Completely constrained motion Partially constrained motion Incompletely constrained motion Successfully constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of ascent of cam is defined as the angle During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP