Block Diagram and Signal Flow Graphs » Exercise - 111. Signal flow graphs can be used to represent : (a) only linear systems (b) only nonlinear systems (c) both linear and nonlinear systems (d) time –invariant as well as time –varying systems
Block Diagram and Signal Flow Graphs » Exercise - 12. The signal flow of a system is shown in the given figure. In this graph, the number of three non-touching loops is : & (a) zero (b) 1 (c) 2 (d) 3
Block Diagram and Signal Flow Graphs » Exercise - 1 1. In the following block diagram, G1 = 10/s, G2 = 10/(s + 1) , H1 = S + 3 and H2 = 1. The overall transfer function C/R is given by : (a) 10/11s2+31s+10 (b) 100/11s2+31s+100 (c) 100/11s2+31s + 10 (d) 100/11s2+31s
Block Diagram and Signal Flow Graphs » Exercise - 19. Three blocks with gains of 5, 8 and 4 are connected in cascade The total gain of the arrangement is : (a) 17 (b) 160 (c) 44 (d) 37
Block Diagram and Signal Flow Graphs » Exercise - 17. Three blocks with gains of 4,6 and 8 are connected in parallel The total gain of the arrangement is : (a) 18 (b) 196 (c) 32 (d) 52