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 0.4 0.2 0.8 0.6 0.4 0.2 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Somewhere in between above two Along sliding surfaces None of these Perpendicular to sliding surfaces Somewhere in between above two Along sliding surfaces None of these Perpendicular to sliding surfaces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is (1/2π). √(2kG/g) (1/2π). √(kG/g) 2π. √(kG/g) 2π. √(2kG/g) (1/2π). √(2kG/g) (1/2π). √(kG/g) 2π. √(kG/g) 2π. √(2kG/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that The system is also statically balanced There will absolutely no wear of bearings The system is critically damped There is no critical speed in the system The system is also statically balanced There will absolutely no wear of bearings The system is critically damped There is no critical speed in the system ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the Prime circle Pitch curve Pitch circle Base circle Prime circle Pitch curve Pitch circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × QN ω² × NO ω² × CN ω² × CO ω² × QN ω² × NO ω² × CN ω² × CO ANSWER DOWNLOAD EXAMIANS APP