Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6π Hz 3 Hz 6 Hz 3π Hz 6π Hz 3 Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The gear train usually employed in clocks is a Differential gear Simple gear train Reverted gear train Sun and planet gear Differential gear Simple gear train Reverted gear train Sun and planet gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Sliding pair Turning pair Cylindrical pair Rolling pair Sliding pair Turning pair Cylindrical pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω².CS All of these 2.E.CS I.ω.(ω₁ - ω₂) I.ω².CS All of these 2.E.CS I.ω.(ω₁ - ω₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b is -ve a is +ve and b = 0 a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b is -ve a is +ve and b = 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying three rotors will have Two nodes One node No node Three nodes Two nodes One node No node Three nodes ANSWER DOWNLOAD EXAMIANS APP