Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Tests > Test: Signal Flow Graphs - 2 - Electronics and Communication Engineering (ECE) MCQ

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Detailed Solution for Test: Signal Flow Graphs - 2 - Question 1

Test: Signal Flow Graphs - 2 - Question 2

Assertion (A): Signal flow graph is applicable to the linear systems.

Reason (R): Signal flow graph method of finding the transfer function of a system is very simple and does not require any reduction technique.

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 2

Test: Signal Flow Graphs - 2 - Question 3

Consider the following three cases of signal flow graph and their corresponding transfer functions:

Q. Which of the above relations is/are correctly matched?

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 3

Test: Signal Flow Graphs - 2 - Question 4

The signal flow graph shown below has M number of forward path and N number of individual loops.

Q. What are the values of M and N ?

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 4

Test: Signal Flow Graphs - 2 - Question 5

The signal flow graph for a certain feedback control system is given below.

Now, consider the following set of equations for the nodes:

- x
_{2}= a_{1}x_{1}+a_{5}x_{3}+a_{6}x_{4}+a_{7}x_{5} - x
_{3}=a_{2}x_{2 } - x
_{4}=a_{3}x_{3 } - x
_{5}=a_{4}x_{4}+a_{8}x_{3}

Q. Which of the above equations are correct?

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 5

Test: Signal Flow Graphs - 2 - Question 6

The gain C(s)/R(s) of the signal flow graph shown below is

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 6

Test: Signal Flow Graphs - 2 - Question 7

The signal flow diagram of a system is shown in the given figure. The number of forward paths and the number of pairs of non-touching loops are respectively

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 7

Test: Signal Flow Graphs - 2 - Question 8

The signal flow graph of the RLC circuit of figure (i) is shown in figure (ii)

The values of G_{1} and H_{1} are respectively

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 8

Test: Signal Flow Graphs - 2 - Question 9

The closed loop transfer function CIR for the signal graph shown below is

Detailed Solution for Test: Signal Flow Graphs - 2 - Question 9

Test: Signal Flow Graphs - 2 - Question 10

Consider the following statements with regards to the signal flow graph shown below.

1. The number of forward paths are 2.

2. The number of forward paths are 5.

3. The number of loops are 3.

4. The number of loops are 5,

5. The number of non-touching loop pairs is 1.

6. The number of non-touching loop pairs is nil.

Q. Which of these statements are correct?

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