Control Systems In the integral control of the single area system frequency error is reduced to zero. Then integrator o/p decreases but speed changer position moves up. integrator output and speed changer position attain a constant value. integrator o/p decreases and speed changer position comes down. integrator o/p increases but speed changer position comes down. integrator o/p decreases but speed changer position moves up. integrator output and speed changer position attain a constant value. integrator o/p decreases and speed changer position comes down. integrator o/p increases but speed changer position comes down. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ? 2. 0. 3. 1. 2. 0. 3. 1. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM -ve. GM and PM both -ve. GM and PM both +ve. PM - ve. GM -ve. GM and PM both -ve. GM and PM both +ve. PM - ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) None of these B dx/dt B d2x/dt2 B *x None of these B dx/dt B d2x/dt2 B *x ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/2 rad/s 2 rad/s 1/4 rad/s 4 rad/s 1/2 rad/s 2 rad/s 1/4 rad/s 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 0.5∠10° 1∠0° 0.5∠0° 2∠90° 0.5∠10° 1∠0° 0.5∠0° 2∠90° ANSWER DOWNLOAD EXAMIANS APP