Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 90° 270° 180° 0° 90° 270° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is 9/128 44082 44090 30195 9/128 44082 44090 30195 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Isochronous None of these Stable Unstable Isochronous None of these Stable Unstable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Are held together Have line contact Permit relative motion Have surface contact Are held together Have line contact Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed 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 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP