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Control Systems
Which of the following is/are the example of actuator?
Pneumatic motor
Hydraulic motor
Electric motor
All
Pneumatic motor
Hydraulic motor
Electric motor
All
Answer
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Related Question
Control Systems
Consider the following statements for phase lead compensation:
The maximum phase lag occurs at the arithmetic mean of the two corner frequencies.
Phase lead compensation shifts the gain crossover frequency to the right
nether 1 nor 2
both 1 and 2
The maximum phase lag occurs at the arithmetic mean of the two corner frequencies.
Phase lead compensation shifts the gain crossover frequency to the right
nether 1 nor 2
both 1 and 2
Answer
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Control Systems
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is
45°
60°
30°
80°
45°
60°
30°
80°
Answer
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Control Systems
A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is
5
4
6.5
10
5
4
6.5
10
Answer
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Control Systems
The unit step response of the system is 1 - e-t(1+t). Which is the system?
critically stable
stable
unstable
oscillatory
critically stable
stable
unstable
oscillatory
Answer
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Control Systems
A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant?
4 sec
6 sec
5 sec
2 sec
4 sec
6 sec
5 sec
2 sec
Answer
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