WorksheetsECCE0413 Quiz 3
Total questions: 21
Worksheet time: 24mins
Indicate your Section and Name here:
ex: Gray Isidro - ECE5B
A node having only outgoing branches
Input Node
Output node
Incoming node
Outgoing node
Use mason’s gain formula to find the transfer function of the given signal flow graph:
abd/1-(ac)
abdeg/1-(bc+ef)+bcef
abd/1-(bc+ef)+bcef
adcdef/1-(bc+ef)+bcef
Loop which do not possess any common node are said to be ___________ loops.
Forward gain
Touching loops
Non touching loops
Feedback gain
Signal flow graphs is
Pictorial representation of components
The equation obtained may or may not be in the form of cause or effect
Graphical representation of algebraic expressions
They cannot be converted back to block diagram
Use mason’s gain formula to calculate the transfer function of given figure:
G1/1+G2H
G1+G2/1+ G1H
G2/1+G1H
None of the mentioned
According to signal flow graph, which among the following represents the relationship between nodes by drawing a line between them?
Branch
Self-loop
Semi-node
Mesh
The advantage of block diagram representation is that it is possible to evaluate the contribution of each component to the overall performance of the system.
a) True
b) False
6. The overall transfer function from block diagram reduction for cascaded blocks is :
a) Sum of individual gain
b) Product of individual gain
c) Difference of individual gain
d) Division of individual gain
The overall transfer function of two blocks in parallel are :
a) Sum of individual gain
b) Product of individual gain
c) Difference of individual gain
d) Division of individual gain
WHAT IS THE ANOTHER NAME FOR TAKE OFF POINT
RESISTOR
BRANCH POINT
SUMMING POINT
DOT POINT
For the block diagram given in the following figure, the expression of C/R is:
a) G1G2G3/1-G2G1
b) G1G2/1-G1G2G3
c) G1G2G3/1-G1G2G3
d) G1G2/G3(1-G1G2)
The closed loop gain of the system shown in the given figure is :
a) -9/5
b) -6/5
c) 6/5
d) 9/5
IDENTIFY WHICH IS NOT A BASIC COMPONENT OF BLOCK DIAGRAMS
BLOCK
BRANCH POINT
SUMMING POINT
NODE
If G1, G2 and G3 gains are connected in cascade connection, Then the total equivalent gain is
G1xG2XG3
G1+G2+G3
G1+G1-G3
ALL
the overall transfer function of two blocks in parallel are
product of individual gain
sum of individual gain
division of individual gain
difference of individual gain
what is another term for take off point
Summing point
Resistor
Dot point
Branch point
the overall transfer function from block diagram reduction for cascade is:
division of individual gain
sum of individual gain
product of individual gain
difference of individual gain
transfer function of the system is defined as the ratio of laplace output to laplace input considering initial condition __________.
0
1
infinite
2
How many forward paths are there in this signal flow graph?
1
2
3
4
A node having only incoming branches
Input Node
Output node
Incoming node
Outgoing node
