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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 6
1.
If a zero is added to a second order underdamped system
the peak overshoot is increased
the peak overshoot is decreased
the peak overshoot remains unchanged
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
PID controlled system has
P and I actions in forward path and D action in feedback path
P and I actions in feedback path and actions in forward path
All the three (i.e., P, I and D) actions in forward path
All the three (i.e., P, I and D) actions in feedback path
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In case of synchro error detector the electrical zero position of control transformer is obtained when angular displacement between rotors is
zero
45°
90°
180°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
If ΔP is pressure difference, A is area of each flat surface, K is stiffness and Δx is displacement of movable surface from reference of bellows, then
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
For Bode plot of (1 + jωT) has
slope of 20 dB/decade and phase angle + tan-1 (ωT)
slope of - 20 dB/decade and phase angle + tan-1 (ωT)
slope of 20 dB/decade and phase angle - tan-1 (ωT)
slope of - 40 dB/decade and phase angle - tan-1(ωT)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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