Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 180° -90° -180° 90° 180° -90° -180° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 0.500. 1.386. 2.000. 0.693. 0.500. 1.386. 2.000. 0.693. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is RC. Any of the above. RL. LC. RC. Any of the above. RL. LC. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Reduces the overall gain. All of these Oscillatory response. Complex and costly. Reduces the overall gain. All of these Oscillatory response. Complex and costly. ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a unity feedback control system open loop transfer function then acceleration error constant is infinity. 50. 0. 20. infinity. 50. 0. 20. ANSWER DOWNLOAD EXAMIANS APP
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