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 Critical damping is a function of Mass and natural frequency Mass and damping coefficient Mass and stiffness Damping coefficient and natural frequency Mass and natural frequency Mass and damping coefficient Mass and stiffness Damping coefficient and natural frequency ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Rolling pair Spherical pair Sliding pair Turning pair Rolling pair Spherical pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power from the engine to the rear axle of an automobile is transmitted by means of Spur gears Hooke's joint Worm and worm wheel Bevel gears Spur gears Hooke's joint Worm and worm wheel Bevel gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁.D₂ D₁ D₁/D₂ D₂/D₁ D₁.D₂ D₁ D₁/D₂ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP