Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Is in motion Just begins to slide over the surface of the other body Is at rest None of these Is in motion Just begins to slide over the surface of the other body Is at rest ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.25 2 0.5 1 0.25 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Force-closed pair Self-closed pair Higher pair Lower pair Force-closed pair Self-closed pair Higher pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be To move the ship towards starboard To raise the stern and lower the bow To raise the bow and lower the stern To move the ship towards port side To move the ship towards starboard To raise the stern and lower the bow To raise the bow and lower the stern To move the ship towards port side ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Inner dead centre Outer dead centre All of the listed here Right angles to the link of the stroke Inner dead centre Outer dead centre All of the listed here Right angles to the link of the stroke ANSWER DOWNLOAD EXAMIANS APP