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Control Systems

Control Systems
For type 1 system with parabolic input, the steady state error is

 indeterminate.
 zero.
 finite constant.
 infinite.

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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

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lead compensator, α = 0.1
 lead compensator, α = 0.2
 lag compensator, β = 2
 lag compensator, β = 10

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Control Systems
Lead compensator is used to improve ------------------

 Both 1 and 2
 Transient response
 Steady state response
None of these

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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 20.
 0.
 50.
 infinity.

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Control Systems
The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is

 5/s(s²+3s+2)
 5/(s²+3s+2)
 (s²+3s+2)/5
 s(s²+3s+2)/5

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