1
GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
The block diagram of a control system is shown in Fig. The transfer function $$G(s) = Y(s)/U(s)$$ of the system is GATE EE 2003 Control Systems - Block Diagram and Signal Flow Graph Question 10 English
A
$${1 \over {18\left( {1 + {s \over {12}}} \right)\left( {1 + {s \over 3}} \right)}}$$
B
$${1 \over {27\left( {1 + {s \over 6}} \right)\left( {1 + {s \over 9}} \right)}}$$
C
$${1 \over {27\left( {1 + {s \over {12}}} \right)\left( {1 + {s \over 9}} \right)}}$$
D
$${1 \over {27\left( {1 + {s \over 9}} \right)\left( {1 + {s \over 3}} \right)}}$$
2
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
For block diagram shown in Figure $$C(s)/R(s)$$ is given by GATE EE 1998 Control Systems - Block Diagram and Signal Flow Graph Question 11 English
A
$${{{G_1}{G_2}{G_3}} \over {1 + {H_2}{G_2}{G_3} + {H_1}{G_1}{G_2}}}$$
B
$${{{G_1}{G_2}{G_3}} \over {1 + {G_1}{G_2}{G_3} + {H_1}{H_2}}}$$
C
$${{{G_1}{G_2}{G_3}} \over {1 + {G_1}{G_2}{G_3}{H_1} + {G_1}{G_2}{G_3}{H_2}}}$$
D
$${{{G_1}{G_2}{G_3}} \over {1 + {G_1}{G_2}{G_3}{H_1}}}$$
3
GATE EE 1991
Fill in the Blanks
+2
-0
The signal flow graph of Fig. shown below, has ___________ forward paths / and ________feed - back loops. GATE EE 1991 Control Systems - Block Diagram and Signal Flow Graph Question 12 English
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