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GATE Mock Test: Electrical Engineering (EE)- 8 - Electrical Engineering (EE) MCQ


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30 Questions MCQ Test GATE Electrical Engineering (EE) Mock Test Series 2025 - GATE Mock Test: Electrical Engineering (EE)- 8

GATE Mock Test: Electrical Engineering (EE)- 8 for Electrical Engineering (EE) 2024 is part of GATE Electrical Engineering (EE) Mock Test Series 2025 preparation. The GATE Mock Test: Electrical Engineering (EE)- 8 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The GATE Mock Test: Electrical Engineering (EE)- 8 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for GATE Mock Test: Electrical Engineering (EE)- 8 below.
Solutions of GATE Mock Test: Electrical Engineering (EE)- 8 questions in English are available as part of our GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) & GATE Mock Test: Electrical Engineering (EE)- 8 solutions in Hindi for GATE Electrical Engineering (EE) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt GATE Mock Test: Electrical Engineering (EE)- 8 | 65 questions in 180 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) Exam | Download free PDF with solutions
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 1

Choose the most appropriate alternative from the options given below to complete the following question:

The magnificent monument has now been restored _______ its original state.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 1
‘back’ should not be used after restored to avoid redundancy.
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 2

Directions: Find the missing term (?) out of the options given below after studying the relationship among the other given figures.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 2
Middle number is the difference between the quotients obtained by dividing the top number by the bottom number, and dividing the number on the left side of the circle by the number on the right side of the circle.

1. 16 ÷ 4 = 4, 24 ÷ 4 = 6, 6 - 4 = 2; 2 is the middle number

2. 16 ÷ 2 = 8, 15 ÷ 5 = 3, 8 - 3 = 5; 5 is the middle number.

3. 8 ÷ 2 = 4, 14 ÷ 7 = 2, 4 - 2 = 2; 2 is the middle number.

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GATE Mock Test: Electrical Engineering (EE)- 8 - Question 3

The houses of A and B face each other on a road going North-South, A’s being on the Western side. A comes out of his house, turns left, travels 5 km, turns right, travels 5 km to the front of D’s house. B does exactly the same and reaches the front C’s house. In this context, which one of the following statements is correct?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 3

From given data, the houses of C and D are 10 km apart.

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 4

Pick the odd one out.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 4
Break, hiatus and pause, all mean a temporary halt. End is the final halt.
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 5

Each of the following sentences below has two blanks. Each blank indicates that something has been omitted. Beneath the sentence are four lettered words. Choose the words for each blanks that best fits the meaning of the sentence as a whole.

The global climate negotiation would __________ greenhouse gases, provide ways to verify countries emissions, save rain forests, shield _____ nations from the impacts of climate change, and share the costs.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 5
The choice in A, B and C are illogical since the negotiations cannot take any such actions as eradicate, engender and ban on gases. Further impact of climate change is not related to wealth of a country.
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 6

SBI lent 1 lakh to farmer Kishan Singh at 6% per annum, at simple interest for a period of 10 years. Meanwhile, the bank offered a discount in the rate of interest, according to the Govt. policy for farmers. Thus, the rate of interest is decreased to 4% p.a. In this way, Kishan Singh had to pay a total amount 1.48 lakh. After how many years did Kishan Singh got the discount in the rate of interest?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 6
Suppose that 6% per annum be the rate of interest for x years, then the 4% per annum be the rate of interest for (10 - x) years.

Interest paid by Kishan Singh = Rs. 48,000

Now,

48 = 6x + 40 - 4x

2x = 8

x = 4 years

It means Kishan Singh availed the discount after 4 years.

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 7

Answer the following question based on the following information.

The number of Indians who view Sony is 4,320,000. What is the number of people viewing DD-II?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 7
Percentage of those viewing Sony = 6%

Percentage of those viewing DD-II = 14 %

∴ Number of DD-II viewers

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 8

After striking the floor, a Tennis ball rebounds to 4/5th of the height from which it has fallen. What will be the total distance (in m) that it travels before coming to rest if it has been gently dropped from a height of 90 metres?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 8
The first drop is 90 metres. After this, the ball will rise by 72 metres and falls by 72 metres, now this process will be continue in the form of an infinite GP with common ratio 0.8 and first term 72.

The required answer will be got by

= 90 + 2(360)

= 810 m

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 9

Directions : In the question below are given three statements followed by two conclusion numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.

Statements :

All lizards are birds

Some ants are birds

All ants are cobras

Conclusions :

I.All lizards being cobras is a possibility

II.Some cobras are birds.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 9

Consider the least possible Venn diagram

Conclusions :

I : All lizards being cobras is a possibility  Possibility is true as shown below.

II : Some cobras are birds  Clearly true, as shown above.

Hence, both the conclusions follow.

Hence, the correct option is (D)

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 10

Directions: In the following question, five different figures in 'Problem Figures' are provided. Each of the consecutive figures in the problem follows a certain sequence. You have to identify the next sequence (as a, b, c, d, e) from the figures provided in the 'Answer Figures'.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 10
In the first two problem figures, first and second and fourth and fifth letters interchange positions. The third letter is replaced by a new letter. In second and third problem figures fourth element comes to first place, second element comes to fourth place, first element comes to second place, and fifth and third elements interchange their position. This pattern is followed in the series. Hence, option 3 is correct answer.
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 11

Consider the digital circuit shown in figure below, the boolean expression for is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 11

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 12

Which of the points on the torque-speed curve of the induction motor represents operation at a slip greater than 1?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 12

To achieve a slip greater than 1, the router must be couple to a prime mover and driven in a direction opposite to that of stator rotating field. Which is shown by point W in the figure.

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 13

Initially the counter is started at ‘00’ The output of the counter after four clock pulses is. (Assume positive edge triggered flip-flop)

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 13

Here FF0 is JK flip-flop and FF1 is T flip-flop

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 14

In the following circuit, for which of the following input combinations, output will be `1`?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 14

Boolean expression for the given circuit

So, F =1 for A = 0, B=1

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 15

Consider the circuit shown in figure below

The value of Vx and Ix are respectively

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 15

Given circuit is

Applying nodal analysis at node Vx

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 16

If the prime mover of an alternator supplying load to an infinite bus is suddenly shut down, it will

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 16

On many different pieces of machinery or vehicles, there is a generator. The object that turns the generator is called the prime mover. There also may be an alternator. A generator takes the mechanical energy from turning or something and then converts it into the electricity that is needed to make the machine function. The alternator may be used to use a different or alternate electrical current.

Sometimes, the generator and alternator are used to describe the same part on the machine. These words may be used interchangeably. Sometimes, the alternator or generator shuts down while the vehicle is still in motion. If the prime mover of an alternator in which it is supplying a load does shut down, it will continue to run as a synchronous motor in the same direction.

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 17

Consider the system shown below

The steady state output due to D(s) is zero for

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 17

Steady state output,

So, rearranging terms C(s) can be written as

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 18

Voltage series feedback (also called series-shunt feedback) results in

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 18

In voltage series feed back amplifier, input impedance increases by factor (1+Aβ) and output impedance decreases by the factor (1 + Aβ)

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 19

The input output representation of a system is shown below

Where x(t) is the input, y(t) is the output and H(s) is the transfer function of a first order system having a positive forward path gain. If x(t) =2sin t then y(t) = √2 sin (t- 450) . The value of y(t) at t=1 sec when x(t) = u(t) is______. (correct upto 2 decimal places)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 19

Given that when x(t) = 2 sin t we get y(t) = √2 sin (t - 450Let where K is the forward path gain and is the pole)

∴ Required transfer function is

Hence, the correct answer is 0.632

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 20

In the given circuit, voltage source absorbs power of ___ W. (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 20

Current through 5 ohm resistor = (5V/5Ώ) = 1 A

Power (P) = V x I = 5 x 1 = 5 W

So, voltage source absorbs power of 5 W

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 21

A dc shunt motor runs at 1200 rpm on no load drawing 5 A from 220 V mains. Its armature and field resistance are 0.25 Ω and 110 Ω respectively when loaded the motor draws 62 A from the mains. Assuming the armature reaction demagnetizes the field to the extent of 5%, the new speed in rpm is ___________.


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 21

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 22

An audio amplifier is designed to have a small signal bandwidth of 20 kHz. The open loop low-frequency voltage gain of the op-amp is 105 and unity gain bandwidth is 1 MHz. What is the maximum closed-loop voltage gain (in V) for the amplifier? (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 22

Bode plot for the frequency response of op-amp is given following

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 23

If a 4-pole, 50 Hz, three phase induction motor rotating at 1440 r.p.m., has a standstill reactance of 3.5 Ω per phase, then the running reactance will be ____________Ω. (Correct upto two decimal place)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 23

Given: NR =1440 rpm, f = 50 Hz, P =4, R = 3.5 Ω /ph

Running reactance = slip * standstill reactance = sXr

Slip

Running reactance = 0.04*3.5=0.14Ω

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 24

For the circuit shown below, cutting voltage of diode is Va = 0.7. What is the value of V and I?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 24

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 25

A 3-ф synchronous generator has a direct axis synchronous reactance of 0.8 pu and quadrature axis synchronous reactance of 0.5 pu. The generator is supplying full load at 0.8 pf lag at 1 pu terminal voltage. The power angle in degrees is _____.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 25

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 26

The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 26

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 27

A power converter is shown in the figure has two power switching devices namely X and Y. The source voltage is 50 V. The inductor current is steady 5A without any ripple.

On the plane, identify the correct operating points of switches from the given options.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 27

Given: Vs = 50V , IL=5A

Case I : Switch is at X position

Current through switch X is Ix = I = 5A

and the voltage blocked by switch Y is Vy = -50V

Case II : Switch is at Y position

Voltage blocked by switch X is Vx = 50V

and current through switch Y is Iy = I =5 A

Therefore, the operating point is given by,

GATE Mock Test: Electrical Engineering (EE)- 8 - Question 28

Consider a Poisson distribution for the tossing of a biased coin. The mean for this distribution is. The standard deviation for this distribution is given by

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 28

Given mean of a poisson distribution for the tossing of a biased coin is μ.

We know that Mean = Variance = μ

∴ Standard deviation =

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 29

Given : . For the field the value of integral for the region bounded by x=0 and 1, y=0 and 2, z=0 and 3 is _______. (Correct upto nearest integer).


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 29

Given:

From divergence theorem,

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 8 - Question 30

A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the number of poles required in the generator is (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 8 - Question 30

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