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GATE Mock Test: Electrical Engineering (EE)- 2 - Electrical Engineering (EE) MCQ


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30 Questions MCQ Test - GATE Mock Test: Electrical Engineering (EE)- 2

GATE Mock Test: Electrical Engineering (EE)- 2 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The GATE Mock Test: Electrical Engineering (EE)- 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The GATE Mock Test: Electrical Engineering (EE)- 2 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)- 2 below.
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GATE Mock Test: Electrical Engineering (EE)- 2 - Question 1

The value of is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 1

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 2

Directions: In the following question five figures are given. Four of them are similar in some way but one figure is not like the other four. Point out which figure does not belong to the group.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 2
The direction of the arrow in option (d) is anti-clockwise, while in all other options it is clockwise.
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GATE Mock Test: Electrical Engineering (EE)- 2 - Question 3

A shopkeeper marks an item for sale at Rs.850 and then gives a discount of 20% on it. The shopkeeper purchased the item for Rs.500. The profit earned by the shopkeeper is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 3

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 4

Which of the following is an antonym of the word PROFESSIONAL?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 4
Professional is the person who does something as a part of his job. Amateur is a person who does something because he loves doing it.
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 5

The following figure represents a particular set of revolvers used by some person and the number in these figures represents a particular type of revolver possessed by the number of person. The circle represents “Enfield”, the triangle represents “Walther”, the hexagon represents “Smith & Wesson”, the rectangle represents “Luger” and the square represents “Jericho”.

What is the total number of person having “Smith & Wesson”?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 5
From the given information, we can conclude that the number of person having a particular type of revolver as

Enfield = 15 + 13 + 8 + 88 + 44 + 18 + 72 = 258

Only Enfield = 18 + 88 + 72 = 178

Walther = 37 + 13 + 41 + 29 + 8 = 128

Only Walther = 29

Smith and Wesson = 26 + 11 + 15 + 20 + 13 + 41 = 126 Only Smith and Wesson = 26 + 15 = 41

Luger = 11 + 20 + 13 + 37 + 15 + 13 + 76 + 18 = 203

Only Luger = 18

Fericho = 76 + 13 + 44 + 57 = 190

Only Fericho = 57

Number of person having Smith & Wesson = 126

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 6

The ratio of cost price and marked price of a cell phone is 2 : 3 and ratio of profit percentage and discount percentage is 3 : 2. What is the discount percentage?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 6
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 7

Three coins are tossed simultaneously. The probability of getting at least one head and one tail is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 7
There are 6 favorable cases HHT, HTH, HTT, THT, TTH

THH out of total 8 cases

Required probability= 6/8 = 3/4

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 8

Directions: Choose the sentence that best combines the given sentences.

The airport is called the Glynco Jetport. The airline reservations and travel systems refer to the location as Brunswick, Georgia.

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 8
Option 3 is the most logical subordinating phrase, showing a contrast. The other choices are not only illogical but also grammatically incorrect.
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 9

Read the argument given below and then answer the questions which follow the argument.

Unfortunately, despite the effort put into conservation by organizations and activists, their work can easily be undermined by those who have other interests. This occurs, for example, from habitat destruction, illegal poaching, to influencing or manipulating laws designed to protect species. The current form of globalization has been criticized for ignoring sustainable development and environmental concerns. For many years, critics, NGOs, activists and affected peoples have been accusing large corporations for being major sources of environmental problems. Consequently, helping species and ecosystems to survive becomes more difficult.

Which of the following statements weakens the views presented in the above paragraph?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 9
Option (B) is generalizations and don’t affect the argument. The argument says that, the environment preservation is not getting immediate attention by the corporate sectors. Consequently preserving species and ecosystems becomes more difficult. Options (C) and (D) support the facts presented the argument. Only option (A) weakens the argument as it says that large corporations address environmental concerns more closely as the realize that they are dependent on natural resources.
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 10

Leo participated in a race of motor bikes. Flags of different colours are lowered to give different signals. How many different signals can be made here, using any number of flags from 5 flags of different colours?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 10
Signals can be made by using at a time one, two, three, four and five flags.

∴ Total number of signals that can be made

So, 325 signals can be made using five flags.

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 11

If the transistor shown below is operating in a saturation region, then the base current IB will be greater than ____ ?. (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 11

So, If the transistor is operating in a saturation region, then the base current IB will be greater than 20?A.

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 12

Consider a circuit shown in below figure the switch closes at t=0 after being open for a long time.

The capacitor current ic at t=0+ is __________ A. (Correct upto one decimal place)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 12

For t<0: switch="" is="" open="" and="" in="" steady="" state="" capacitor="" acts="" as="" an="" open="">

Voltage across capacitor at t =0 - is,

Since voltage across capacitor does not change instantaneously. So at t = 0+ we can replace the capacitor by a voltage source of 24 V.

Using source transformation,

Combining parallel sources and resistances,

Applying KVL,

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 13

In a 3-phase controlled bridge rectifier, with an increase of overlap angle, the output dc voltage

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 13
For a 3-phase fully-controlled converter, output dc voltage is given as

Where ∝ is the overlap angle. So when the overlap angle is increased, the cosine term in the above expression decreases and the output dc voltage also decreases.

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 14

The open loop transfer function of a unity negative feedback system is given as

The settling time of the system is _______ sec. (correct upto one decimal places)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 14

Given

Comparing with standard characteristic equation

Settling time is given by

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 15

A 50 kVA, 3300/ 230 V single - phase transformer is connected as an auto-transformer shown in figure. The nominal rating of the auto-transformer will be

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 15
V = 3300 volt

Vout = 3300 + 230

= 3530 volt

KVA rating of transformer

= VoutI2

= 3530 x 217.4

= 767.42 KVA

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 16

Consider the asynchronous counter circuit shown in figure below

The Mod number is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 16
Minimum value for which output of NAND gate is zero, is 10010.

Which will clear all the JK flip-flop. Thus mod number is 18.

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 17

A voltmeter reading 70 V on its 100 V range and an ammeter reading 80 mA on its 150 mA range are used to determine the power dissipated in a resistor. Both these instruments are guaranteed to be accurate within ±1.5%, at full scale deflection. The percentage limiting error of the power is _____. (Answer up to three decimal places)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 17

the magnitude of the limiting error (full scale) for the voltmeter is

0.015 x 100 = 1.5V

The limiting error at 70V is

The magnitude of limiting error (full scale) of the ammeter is

0.015 x 150 mA = 2.25 mA

The limiting error at 80 mA is

the limiting error for the power calculation is the sum of the individual limiting errors

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 18

The minimum number of 2-input NOR gates required to implement

Y = ACE + AFC + ADE + ADF + BCE + BDF + BCF+BDE is _____. (Correct upto nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 18

Figure

Hence, the total number of 2-input NOR gates are 6.

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 19

Which of the following has driving point impedance equal to Z(s) = 1/(2s + 0.25)

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 19

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 20

Two signals and are expressed as

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 20

By amplitude scaling

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 21

Consider the following set of instructions:

MVI A, BYTE1

RLC

MOV B, A

RLC

RLC

ADD B

If BYTE1 = 7H, then content of A, after the execution of program, will be ___H. (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 21
This program multiply BYTE1 by 10.

Hence, contents of A will be 46H.

07H = 0710, 7 10 = 70, 7010 = 46H

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 22

In the circuit shown below, if Vs = 200 V, R1 = 10Ω, and R2 = 100Ω then the peak current through T2 is ___________ A. (Correct upto nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 22

Given: Vs = 200 V, R1 = 10Ω, R2 = 100Ω

The peak value of current through thyristor is given by,

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 23

The torque speed characteristic of a series motor is

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 23

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 24

A 3-? bridge rectifier charges a 240 V battery. Input voltage to rectifier is 3-?, 230V, 50Hz. Current limiting resistance in series with battery is 8Ω and an inductor makes the loads current almost ripple free. The power delivered to battery is _____ kW. (Correct upto 1 decimal place)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 24

For 3-? bridge rectifier average output voltage is given by,

Average value of battery charging current,

Power delivered to battery = EI0 = 240 x 8.82 = 2116.8 W = 2.1 kW

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 25

The injected emf in the rotor of induction motor must have

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 25
The speed of a wound rotor induction motor can also be changed by injecting an emf in the rotor circuit. The frequency of the injected emf must be equal to the rotor frequency for proper operation.
*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 26

A 5 kVA, , 50 Hz, 1-φ transformer gave the following results no load 400 V, 1 A, 50 W (LV side) short circuit 12 V, 10 A, 40 W (HV side). The voltage regulation at full-load and at a power factor of 0.8 lagging will be ____________ %. (Correct upto 2 decimal place)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 26

From short circuit test,

The full load current on the primary side,

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 27

If A = then in order that AB = 0, the values of x and y will be respectively

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 27

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 28

A signal is sampled with a frequency of 2 Hz. The z – transform of the signal obtained after sampling will be

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 28

Given :

Sampling frequency

∴ z – transform of x(nTs) will be

*Answer can only contain numeric values
GATE Mock Test: Electrical Engineering (EE)- 2 - Question 29

If the product of matrices

is a null matrix, then ? and ⲫ differ by an odd multiple of ?/x. Find the value of x. (Answer up to the nearest integer)


Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 29

GATE Mock Test: Electrical Engineering (EE)- 2 - Question 30

Which of the following differential equation is linear?

Detailed Solution for GATE Mock Test: Electrical Engineering (EE)- 2 - Question 30
For differential equation to be linear, following condition should be satisfied.

  1. The degree of dependent variable (y) should be one.

  2. The product of dependent variable and its derivative is not possible.

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