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Control Systems
The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator?
both 1 and 3
tan-1((1 - α)/(2√α)
sin-1((1 - α)/(1 + α)
cos-1((1 - α)/(1 + α)
both 1 and 3
tan-1((1 - α)/(2√α)
sin-1((1 - α)/(1 + α)
cos-1((1 - α)/(1 + α)
Answer
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Related Question
Control Systems
Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ?
3.
0.
2.
1.
3.
0.
2.
1.
Answer
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Control Systems
Which of the following transfer functions represent under damped second order systems?
All of these
1/(s² + s + 1)
2/(s² + 2s + 2)
4/(s² + 2s + 4)
All of these
1/(s² + s + 1)
2/(s² + 2s + 2)
4/(s² + 2s + 4)
Answer
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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?
2/(s² + s + 2)
1/(s² + 3s + 2)
1/(s² + s + 2)
2/(s² + 3s + 2)
2/(s² + s + 2)
1/(s² + 3s + 2)
1/(s² + s + 2)
2/(s² + 3s + 2)
Answer
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Control Systems
What is the type of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback?
0
3
1
2
0
3
1
2
Answer
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Control Systems
The device necessarily used for automatic temperature control in a furnace is
Auto-transformer.
Thermocouple.
Thermostat.
Any of above.
Auto-transformer.
Thermocouple.
Thermostat.
Any of above.
Answer
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