Control Systems Error at corner frequency ωcf of first order control system is ------- ±2 db ±3 db ±4 db ±1 db ±2 db ±3 db ±4 db ±1 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) c(t-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Complex and costly. All of these Reduces the overall gain. Oscillatory response. Complex and costly. All of these Reduces the overall gain. Oscillatory response. ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.07 0.707 0.87 0.087 0.07 0.707 0.87 0.087 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to (0.5)e-2tu(t). e-2tu(t). 2e-tu(t). e-tu(t). (0.5)e-2tu(t). e-2tu(t). 2e-tu(t). e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , number of roots which lie in the right half of s-plane is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
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