GATE EE year:2019 PYQs & Answers — Page 4

Questions 31–40 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 4 of 7

The

matrix of a two-bus power system having two identical parallel lines connected between them in pu is given as

The magnitude of the series reactance of each line in pu (round off up to one decimal place) is __________.

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Five alternators each rated 5 MVA, 13.2 kV with 25% of reactance on its own base are connected in parallel to a busbar. The short-circuit level in MVA at the bus is___________.

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The total impedance of the secondary winding, leads, and burden of a 5 A CT is 0.01

. If the fault current is 20 times the rated primary current of the CT, the VA output of the CT is __________.

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The rank of the matrix,

, is __________.

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The output voltage of a single-phase full bridge voltage source inverter is controlled by unipolar PWM with one pulse per half cycle. For the fundamental rms component of output voltage to be 75% of DC voltage, the required pulse width in degrees (round off up to one decimal place) is __________.

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Consider a

matrix

, where,

and

are the column vectors. Suppose

, where

and

are the row vectors. Consider the following statements:

Statement 1:

and

Statement 2:

and

Which of the following options is correct?

Your answerChoose one option.

Statement 1 is true and statement 2 is false

Statement 2 is true and statement 1 is false

Both the statements are true

Both the statements are false

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The closed loop line integral

evaluated counter-clockwise, is

Your answerChoose one option.

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A periodic function

, with a period of

, is represented as its Fourier series,

the Fourier series coefficients

and

are

Your answerChoose one option.

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The asymptotic Bode magnitude plot of a minimum phase transfer function

is shown below.

Diagram for Electrical Engineering question 29

Consider the following two statements: Statement I: Transfer function

has three poles and one zero. Statement II: At very high frequency (

), the phase angle

. Which one of the following options is correct?

Your answerChoose one option.

Statement I is true and statement II is false.

Statement I is false and statement II is true.

Both the statements are true.

Both the statements are false.

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The transfer function of a phase lead compensator is given by

. The frequency (in rad/sec), at which

is maximum, is

Your answerChoose one option.

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GATE EE year:2019 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30