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Control Systems
Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as
critically damped system.
over damped system.
under damped system.
undamped system.
critically damped system.
over damped system.
under damped system.
undamped system.
Answer
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Related Question
Control Systems
The device necessarily used for automatic temperature control in a furnace is
Any of above.
Auto-transformer.
Thermocouple.
Thermostat.
Any of above.
Auto-transformer.
Thermocouple.
Thermostat.
Answer
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Control Systems
The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator?
45°
60°
30°
90°
45°
60°
30°
90°
Answer
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Control Systems
Find the type of the system given by
3.
2.
4.
1.
3.
2.
4.
1.
Answer
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Control Systems
The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is
s/(s+1)
1/s
1/s(s+1)
1/(s+1)
s/(s+1)
1/s
1/s(s+1)
1/(s+1)
Answer
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Control Systems
Number of sign changes in the entries in 1st column of Routh array denotes the no. of
roots of characteristic polynomial in RHP.
open loop poles in RHP.
zeroes of system in RHP.
open loop zeroes in RHP.
roots of characteristic polynomial in RHP.
open loop poles in RHP.
zeroes of system in RHP.
open loop zeroes in RHP.
Answer
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