Control Systems Find the conditions for the system to be stable? Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative 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-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) c(t-1).u(t-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 Phase lead compensation shifts the gain crossover frequency to the right both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 Phase lead compensation shifts the gain crossover frequency to the right ANSWER DOWNLOAD EXAMIANS APP
Control Systems The step response of the system described by the differential equation will be e6t. (1/6)*(1-e-6t). non of above. e-3t u(t). e6t. (1/6)*(1-e-6t). non of above. e-3t u(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system having characteristic equation is used to be an oscillator. What is the value of k? 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? π/√3 sec π/2√3 sec π/4√3 sec 2π/√3 sec π/√3 sec π/2√3 sec π/4√3 sec 2π/√3 sec ANSWER DOWNLOAD EXAMIANS APP