Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.4 0.2 0.6 0.8 0.4 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα 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 Successfully constrained motion Incompletely constrained motion Completely constrained motion Partially constrained motion Successfully constrained motion Incompletely constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is In plane translation with variable velocity Restrained to rotate while sliding over another body In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation In plane translation with variable velocity Restrained to rotate while sliding over another body In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP