Question 51 : " __________increases the steady state accuracy."
1. " Integrator"
2. " Differentiator"
3. " Phase lead"
4. " Phase lag"
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Question 52 : " Which one of the following statement is correct?
A plant controlled by a proportional controller. If a time delay element is introduced in the loop its:"
1. " Phase margin remains the same"
2. " Phase margin increases"
3. " Phase margin decreases"
4. " Gain margin increases"
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Question 53 : " Which of the following should be done to make an unstable system stable?"
1. " The gain of the system should be decreased"
2. " The gain of the system should be increased"
3. " The number of poles to the loop transfer function should be increased"
4. " The number of zeros to the loop transfer function should be increased"
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