Electronics and Communication Engineering - Automatic Control Systems

1. 

Consider the following systems
System I,
System II,
where C(s) is the output and R(s) is the input of these systems

A. System I has larger bandwidth and faster speed of response than System II
B. System II has larger bandwidth and faster speed of response than System I
C. System I has larger bandwidth but System II has faster speed of response
D. System II has larger bandwidth but System I has faster speed of response

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

Nyquist stability criterion is based on a theorem from the theory of complex variables.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

For the function G(s) H(s) = the phase cross-over frequency is

A. 0.5 rad/sec
B. 0.707 rad/sec
C. 1.732 rad/sec
D. 2 rad/sec

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

4. 

While forming Routh's array, the situation of a row of zeros indicates that the system

A. has symmetrically located roots
B. is not sensitive to variations in gain
C. is stable
D. is unstable

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

Assertion (A): In liquid system the ratio of change in liquid level to change in flow rate is called resistance of liquid flow.

Reason (R): In liquid level systems the ratio of change in liquid stored in a tank to the change in head is called capacitance of tank.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. R is correct but A is wrong

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10 Next »