GATE EE 2015 Set 1 | GATE EE Year Wise Previous Years Questions

GATE EE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

For the signal-flow graph shown in the figure, which one of the following expressions is equal to the transfer function $${\left. {{{Y\left( s \right)} \over {{X_2}\left( s \right)}}} \right|_{{x_1}\left( s \right) = 0}}?$$ GATE EE 2015 Set 1 Control Systems - Block Diagram and Signal Flow Graph Question 13 English

GATE EE 2015 Set 1 Control Systems - Block Diagram and Signal Flow Graph Question 13 English

$${{{G_1}} \over {1 + {G_2}\left( {1 + {G_1}} \right)}}$$

$${{{G_2}} \over {1 + {G_1}\left( {1 + {G_2}} \right)}}$$

$${{{G_1}} \over {1 + {G_1}{G_2}}}$$

$${{{G_2}} \over {1 + {G_1}{G_2}}}$$

GATE EE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

A Bode magnitude plot for the transfer function $$𝐺(𝑠)$$ of a plant is shown in the figure. Which one of the following transfer functions best describes the plant? GATE EE 2015 Set 1 Control Systems - Polar Nyquist and Bode Plot Question 40 English

GATE EE 2015 Set 1 Control Systems - Polar Nyquist and Bode Plot Question 40 English

$${{1000\left( {s + 10} \right)} \over {s + 1000}}$$

$${{10\left( {s + 10} \right)} \over {s\left( {s + 1000} \right)}}$$

$${{s + 1000} \over {10s\left( {s + 10} \right)}}$$

$${{s + 1000} \over {10\left( {s + 10} \right)}}$$

GATE EE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at $$\left( {2 - j3} \right).$$ List all the poles and zeros.

Poles at $$\left( {2 \pm j3} \right),$$ no zeros

Poles at $$\left( { \pm 2 - j3} \right),$$ one zero at origin

Poles at $$\left( {2 - j3} \right),\,\,\left( { - 2 + j3} \right),$$ zeros at $$\left( { - 2 - j3} \right),\,\,\left( {2 + j3} \right)$$

Poles at $$\left( {2 \pm j3} \right),$$ zeros at $$\left( { - 2 \pm j3} \right)$$

GATE EE 2015 Set 1

MCQ (Single Correct Answer)

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In the signal flow diagram given in the figure, $${u_1}$$ and $${u_2}$$ are possible inputs whereas $${y_1}$$ and $${y_2}$$ are possible outputs. When would the $$SISO$$ system derived from this diagram be controllable and observable? GATE EE 2015 Set 1 Control Systems - State Variable Analysis Question 10 English

GATE EE 2015 Set 1 Control Systems - State Variable Analysis Question 10 English

When $${u_1}$$ is the only input and $${y_1}$$ is the only output

When $${u_2}$$ is the only input and $${y_1}$$ is the only output

When $${u_1}$$ is the only input and $${y_2}$$ is the only output

When $${u_2}$$ is the only input and $${y_2}$$ is the only output

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