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Control Systems
Which of the following are the disadvantages of a closed loop control system?
Complex and costly.
Reduces the overall gain.
All of these
Oscillatory response.
Complex and costly.
Reduces the overall gain.
All of these
Oscillatory response.
Answer
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Related Question
Control Systems
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?
1.0 Volt.
2.0 Volt.
1.5 Volt.
2.5 Volt.
1.0 Volt.
2.0 Volt.
1.5 Volt.
2.5 Volt.
Answer
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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
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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?
lead-lag
lead
lag
lag-lead
lead-lag
lead
lag
lag-lead
Answer
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Control Systems
If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique?
2(A+B)
A*B
A/B
A+B
2(A+B)
A*B
A/B
A+B
Answer
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Control Systems
If a body has identical properties all over, it is known as
homogeneous.
elastic.
none of them.
isotropic.
homogeneous.
elastic.
none of them.
isotropic.
Answer
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