Control Systems Number of sign changes in the entries in 1st column of Routh array denotes the no. of open loop poles in RHP. roots of characteristic polynomial in RHP. zeroes of system in RHP. open loop zeroes in RHP. open loop poles in RHP. roots of characteristic polynomial in RHP. zeroes of system in RHP. open loop zeroes in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to eas*F(s) e-as*F(s) F(s+a) F(s)/(s+a) eas*F(s) e-as*F(s) F(s+a) F(s)/(s+a) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as critically damped system. over damped system. under damped system. undamped system . critically damped system. over damped system. under damped system. undamped system . ANSWER DOWNLOAD EXAMIANS APP
Control Systems None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system tends to zero. could be unbounded. none of these. always bounded. tends to zero. could be unbounded. none of these. always bounded. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? 1/2 times None of these 2 times Remains unaffected 1/2 times None of these 2 times Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/4 rad/s 1/2 rad/s 2 rad/s 4 rad/s 1/4 rad/s 1/2 rad/s 2 rad/s 4 rad/s ANSWER DOWNLOAD EXAMIANS APP