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Control Systems

Control Systems
Electrical analogous quantity for spring element (K) in force-voltage analogy is

 C
 R
 L
 1/C

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Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is

 (2s+1)/s²
 (2s+2)/(s+1)²
 (2s+2)/s²
 (2s+1)/(s+1)²

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Control Systems
Electrical analogous element for damper element (force-voltage analogy) in mechanical translation system is

 any of the above
 resistor
 inductor
 capacitor

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Control Systems
Which system is also known as automatic control system?

 Nether 1 nor 2
 Open loop control system
 Either 1 or 2
 Closed loop control system

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

 infinity.
 0.
 50.
 20.

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Control Systems
The transfer function for tachometer E(S)/θ(S) is

 KS
 KS2
 K/S
 K

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