GATE EE format:mcq PYQs & Answers — Page 28

Questions 271–280 of 437. Imported answers require independent review unless marked reviewed.

Topic practice 437 questionsPage 28 of 44

Which of the following options is true for a linear time-invariant discrete time system that obeys the difference equation:

Your answerChoose one option.

is unaffected by the values of

The system is necessarily causal.

The system impulse response is non-zero at infinitely many instants.

When

, the function

is solely determined by the function

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Let

and

be unit vectors along

and

directions, respectively, in the cylindrical coordinate system. For the electric flux density given by

, the total electric flux, in Coulomb, emanating from the volume enclosed by a solid cylinder of radius 3 and height 5 m oriented along the z-axis with its base at the origin is:

Your answerChoose one option.

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A stable real linear time-invariant system with single pole at

, has a transfer function

with a dc gain of 5. The smallest positive frequency, in rad/s, at unity gain is closest to:

Your answerChoose one option.

8.84

11.08

78.13

122.87

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The number of purely real elements in a lower triangular representation of the given

matrix, obtained through the given decomposition is ________.

Your answerChoose one option.

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The figure below shows the per-phase Open Circuit Characteristics (measured in V) and Short Circuit Characteristics (measured in A) of a 14 kVA, 400 V, 50 Hz, 4-pole, 3-phase, delta connected alternator, driven at 1500 rpm. The field current,

is measured in A. Readings taken are marked as respective

coordinates in the figure. Ratio of the unsaturated and saturated synchronous impedances (

) of the alternator is closest to:

Diagram for Electrical Engineering question 43

Your answerChoose one option.

2.100

2.025

2.000

1.000

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I am not sure if the bus that has been booked will be able to ______ all the students.

Your answerChoose one option.

sit

deteriorate

fill

accommodate

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The passengers were angry ______ the airline staff about the delay.

Your answerChoose one option.

about

with

towards

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The missing number in the given sequence 343, 1331, _____, 4913 is

Your answerChoose one option.

3375

2744

2197

4096

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It takes two hours for a person X to mow the lawn. Y can mow the same lawn in four hours. How long (in minutes) will it take X and Y, if they work together to mow the lawn?

Your answerChoose one option.

120

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Newspapers are a constant source of delight and recreation for me. The _____ trouble is that I read _____ many of them.

Your answerChoose one option.

even, quite

even, too

only, quite

only, too

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GATE EE format:mcq PYQs

Question 39

Question 40

Question 41

Question 42

Question 43

Question 1

Question 2

Question 3

Question 4

Question 5