Control System

1. Most common type of input are ?
A - Step Input


2. Characteristics of a good CS are ?
A- Insensitive to Parameter Variation but Highly Sensitive to the Commands from Input.


3. Linear System follow the Principle of ?
A- Superposition , Reciprocity, Maximum Power Transfer


4. If a system has to be described completely as a linear system then it has to be?
A- Linear and Time- Invariant


5. Discrete time system when compared to Continuos ?
A- More accurate and stable.


6. Define a Signal?
A- It is a function of 1 or more variables which can convey information on the nature of the physical phenomenon.


7. Why is output rate feedback used ?
A-To reduce the damping of the system.


8. Mason's Rule is related to ?
A- Signal flow graph.


9. Which type of function is the output of first order hold between two sampling instaants?
A- Ramp function


10 .The value of the Dmaping Factor for a critically damped system is equal to ?
A- ONE


11. How is GAIN related to Damping in CS?
A- D= 1/(gain)^1/2

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