6. A node which has only outgoing branches is called a :
(a) input node
(b) output node
(c) mixed node
(d) general node
7. 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
8. Block diagrams can be used to represent :
(a) only linear system
(b) only nonlinear systems
(c) both linear and nonlinear systems
(d) time –invariant as well as time –varying systems
9. 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
10. A node which has both incoming branches is called a/an :
(a) input node
(b) output node
(c) mixed node
(d) general node
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- Block Diagram and Signal Flow Graphs » Exercise - 16. A node which has only outgoing branches is called a : (a) input node (b) output node (c) mixed node (d) general node
- Block Diagram and Signal Flow Graphs » Exercise - 15. A node which has both incoming and outgoing branches is called a/an : (a) input node (b) output node (c) mixed note (d) general node