Question 3247 - GATE Electrical Engineering

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Q#1 Numerical Ability GATE EE 2018 MCQ +2 marks -0.66 marks

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P. Q. R and S crossed a lake in a boat that can hold a maximum of two persons, with only one set of oars. The following additional facts are available.

(i) The boat held two persons on each of the three forward trips across the lake and one person on each of the two return trips.

(ii) P is unable to row when someone else is in the boat.

(iii) Q is unable to row with anyone else except R.

(iv) Each person rowed for at least one trip.

(v) Only one person can row during a trip.

Who rowed twice?

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Network Analysis

260

Network Basics

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Network Elements	0	Browse
Kirchhoffs Laws	1	Browse
Nodal and Mesh Analysis	1	Browse
Power and Energy Calculation	1	Browse
Duality	0	Browse
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Network Theorems - DC Circuits

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Thevenin and Norton Theorem	0	Browse
Maximum Power Transfer Theorem - DC Circuits	0	Browse
Other Theorems - DC Circuits	0	Browse
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Transient Analysis

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Initial and Final Conditions	0	Browse
First Order Circuits	0	Browse
Second Order Circuits	0	Browse
Laplace Transform Method	0	Browse
Topic-wide	47	Browse

Sinusoidal Steady State Analysis

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Phasor Analysis	0	Browse
Maximum Power Transfer Theorem - AC Circuits	0	Browse
Other Theorems - AC Circuits	0	Browse
Power in AC Circuits	0	Browse
Miscellaneous	0	Browse
Resonance	0	Browse
Topic-wide	81	Browse

Two Port Network

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Graph Theory

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Graph Theory	0	0	0	Browse
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Three Phase Circuits

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Three Phase Circuits	0	0	0	Browse
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Magnetically Coupled Circuits

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Signals and Systems

165

Signals

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Delta Function	0	Browse
Periodic and other Signals	0	Browse
Signal Graphical Representation	0	Browse
Energy and Power Signals	0	Browse
Waveform Synthesis and Parameters	0	Browse
Topic-wide	26	Browse

LTI Systems

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LTI System Properties	0	Browse
Continuous Convolution	0	Browse
Discrete Convolution	0	Browse
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Fourier Series

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Continuous Time Fourier Series	0	Browse
Properties of Fourier Series	0	Browse
Discrete Time Fourier Series	0	Browse
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Fourier Transform

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Continuous Time Fourier Transform Calculation	0	Browse
Continuous Time Transform Properties	0	Browse
Discrete Time Fourier Transform Calculation	0	Browse
Discrete Time Fourier Transform Properties	0	Browse
Discrete Fourier Transform and Fast Fourier Transform	0	Browse
Topic-wide	28	Browse

Laplace Transform

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Laplace Transform Calculation	0	Browse
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Initial and Final Value Theorem	0	Browse
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Z Transform

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Z-Transform Calculation	0	Browse
Z-Transform Properties	0	Browse
Initial and Final Value Theorem - Z Transform	0	Browse
Topic-wide	19	Browse

Sampling

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Digital Filter Design

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Control Systems

258

Transfer Function

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Transfer Function	0	Browse
Block Diagram	0	Browse
Signal Flow Graph	0	Browse
Mathematical Modelling and Sensitivity	0	Browse
Topic-wide	28	Browse

Time Response Analysis

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Steady State Analysis	0	Browse
Transient Analysis	0	Browse
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Stability

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Root Locus Technique

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Frequency Domain Analysis

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Frequency Response	0	Browse
Polar Plot	0	Browse
Nyquist Plot and Stability Criterion	0	Browse
Gain Margin and Phase Margin	0	Browse
Bode Plot	0	Browse
Topic-wide	63	Browse

State Variable Analysis

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Deriving State Model	0	Browse
State Model Analysis	0	Browse
Controllability and Observability	0	Browse
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Control System Design

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Compensators	0	Browse
Controller	0	Browse
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Analog Electronics

184

Diode and Its Applications

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Diode Basics and Diode Circuit Analysis	0	Browse
Rectifier Circuits	0	Browse
Filter Circuits	0	Browse
Voltage Regulator	0	Browse
Wave Shaping Circuits	0	Browse
Topic-wide	35	Browse

BJT

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DC Analysis and Biasing Circuits of BJT	0	Browse
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Single stage BJT Amplifier	0	Browse
Low frequency and High frequency response of BJT Amplifier	0	Browse
Topic-wide	42	Browse

JFET

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DC Analysis and Biasing Circuits of JFET	0	0	0	Browse
Small signal analysis of JFET	0	0	0	Browse
Single stage JFET Amplifier	0	0	0	Browse
Low frequency and High frequency response of JFET Amplifier	0	0	0	Browse

MOSFET

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DC Analysis and Biasing Circuits of MOSFET	0	Browse
Small signal analysis of MOSFET	0	Browse
Single stage MOSFET Amplifier	0	Browse
Low frequency and High frequency response of MOSFET Amplifier	0	Browse
Topic-wide	16	Browse

Amplifiers

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Multistage Amplifiers	0	Browse
Differential Amplifiers	0	Browse
Feedback Amplifiers	0	Browse
Power Amplifiers	0	Browse
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OP-AMP and its Applications

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Op-amp	0	Browse
Positive feedback applications	0	Browse
Negative feedback applications	0	Browse
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Oscillators

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Sinusoidal Oscillator Circuits and 555 timers	0	0	0	Browse

Digital Electronics

148

Number Systems

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Radix Conversion and Addition/Subtraction	0	Browse
Binary Codes	0	Browse
Topic-wide	1	Browse

Boolean Algebra

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Boolean Algebra	0	Browse
Logic Gates	0	Browse
K-Map	0	Browse
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Combinational Circuits

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Multiplexer and Demultiplexer	0	Browse
Encoders and Decoders	0	Browse
Adders and Subtractors	0	Browse
Other Circuits	0	Browse
Topic-wide	28	Browse

Sequential Circuits

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Flip Flops	0	Browse
Counters	0	Browse
Registers	0	Browse
State Machine	0	Browse
Topic-wide	36	Browse

Data Converters

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ADC	0	Browse
DAC	0	Browse
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Logic Family

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Memory

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Memory	0	0	0	Browse

Microprocessor

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Computer Organisation

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Electrical Machines

392

Transformers

109

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Construction of Transformer	0	Browse
Induced EMF - Transformer	0	Browse
Equivalent Circuit - Transformer	0	Browse
Testing of a Transformer	0	Browse
Losses and Efficiency - Transformer	0	Browse
Voltage Regulation - Transformer	0	Browse
Three Phase Transformer	0	Browse
Auto Transformer	0	Browse
Parallel Operation - Transformer	0	Browse
Harmonics in Transformer	0	Browse
Topic-wide	109	Browse

DC Machines

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Construction of DC Machines	0	Browse
EMF and Torque Equation	0	Browse
Equivalent Circuit - DC Machines	0	Browse
Losses and Efficiency - DC Machines	0	Browse
Speed Control of DC Motor	0	Browse
Starting, Braking and Testing of DC Motor	0	Browse
Characteristics of DC machines	0	Browse
Electromechanical Energy Conversion	0	Browse
Topic-wide	81	Browse

Synchronous Machines

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Induced EMF - Synchronous Machines	0	Browse
Voltage Regulation Methods	0	Browse
Equivalent Circuit - Synchronous Machines	0	Browse
Synchronous Impedance	0	Browse
Power Angle Equation	0	Browse
Parallel Operation - Synchronous Machines	0	Browse
Losses and Efficiency - Synchronous Machines	0	Browse
Voltage Regulation - Synchronous Machines	0	Browse
Droop Characteristics	0	Browse
Salient Pole Machines	0	Browse
Synchronous Motor	0	Browse
Cascading of Machines	0	Browse
Contruction and Physical Phenomenon	0	Browse
Topic-wide	82	Browse

Induction Machines

111

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Construction and Rotating Magnetic Field	0	Browse
Equivalent Circuit - Induction Machines	0	Browse
Torque Slip Characteristics	0	Browse
Power and Efficiency	0	Browse
Tests on an Induction Motor	0	Browse
Starting of Induction Motor	0	Browse
Speed Control	0	Browse
Stability of Induction Motor	0	Browse
Singe Phase Induction Motor	0	Browse
Stepper Motor	0	Browse
Topic-wide	111	Browse

Special Machines

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Power Electronics

237

Power Semiconductor Devices

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Switch Characteristics	0	Browse
Triggering and Characteristics of SCR	0	Browse
Protection and Connection of SCR	0	Browse
Other Devices	0	Browse
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Phase Controlled Converter

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Single Phase Converter	0	Browse
Three Phase Converter	0	Browse
Effect of Source Inductance	0	Browse
Dual Converter	0	Browse
Topic-wide	82	Browse

Chopper

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Buck Converter	0	Browse
Boost Converter	0	Browse
Buck Boost Converter	0	Browse
Thyristor Commutation Techniques	0	Browse
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Inverter

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Single Phase Inverter	0	Browse
Three Phase Inverter	0	Browse
PWM Control	0	Browse
Current Source Inverter	0	Browse
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AC and DC Drives

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Cycloconverter	0	Browse
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Power Systems

344

Power System Generation

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Power Plants	0	Browse
Economic Power Generation	0	Browse
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Transmission and Distribution

139

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Transmission Line Parameters (L and C)	0	Browse
Short and Medium Transmission Line	0	Browse
Wave Nature of Long Transmission Line	0	Browse
Surges in Transmission Line	0	Browse
Power and ABCD Parameters	0	Browse
Voltage and Frequency Control	0	Browse
Power Factor Correction	0	Browse
UG Cables	0	Browse
Overhead Insulators	0	Browse
Corona	0	Browse
Distribution Systems	0	Browse
HVDC	0	Browse
Topic-wide	139	Browse

Economic Load Dispatch

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Fault Analysis

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Per Unit System	0	Browse
Symmetrical Components	0	Browse
Sequence Network	0	Browse
Symmetrical Fault Analysis	0	Browse
Unsymmetrical Fault Analysis	0	Browse
Zbus Based Fault Analysis	0	Browse
Topic-wide	66	Browse

Power System Stability

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Equal Area Criteria	0	Browse
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Load Flow Analysis

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Power System Matrices	0	Browse
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Newton Raphson Method	0	Browse
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Power System Protection

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Circuit Breakers	0	Browse
Overcurrent Protection	0	Browse
Protection of Alternator	0	Browse
Protection of Transformer	0	Browse
Protection of Transmission Line	0	Browse
Topic-wide	40	Browse

EMFT EE

107

Electrostatics

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Measurement

158

Error Analysis

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Units and Dimensions	0	Browse
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Electro-mechanical Instruments

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PMMC Instruments	0	Browse
Moving Iron Instruments	0	Browse
Electrodynamometer Instruments	0	Browse
Ammeter and Voltmeter	0	Browse
Wattmeter	0	Browse
Energy Meter	0	Browse
Other Instruments	0	Browse
Topic-wide	79	Browse

Measurement of R,L and C

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Measurement of Inductance	0	Browse
Measurement of Capacitance	0	Browse
Measurement of Frequency	0	Browse
Measurement of Resistance	0	Browse
Topic-wide	21	Browse

CRO

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Instrument Transformer

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Digital Instruments

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Measurement of Angular Speed	0	Browse
Measurement of Flow Rate	0	Browse
Measurement of Temperature	0	Browse
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Engineering Mathematics

225

Linear Algebra

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Matrices and Determinants	0	Browse
Solution of Linear Equations	0	Browse
Eigen Values and Eigen Vectors	1	Browse
Topic-wide	69	Browse

Calculus

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Differential Calculus	0	Browse
Integral Calculus	0	Browse
Vector Calculus	0	Browse
Topic-wide	62	Browse

Differential Equations

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First Order Differential Equations	0	Browse
Higher Order Differential Equations	0	Browse
Topic-wide	18	Browse

Complex Functions

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Analytic Functions (Cauchy Riemann Equations) and compex numbers	1	Browse
Complex Integral	0	Browse
Topic-wide	23	Browse

Probability and Statistics

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Probability	0	Browse
Statistics	0	Browse
Random Variable	0	Browse
Topic-wide	32	Browse

Numerical Methods

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Solution of Non-Linear Equation	0	Browse
Numerical Integration	0	Browse
Numerical Solution of Differential Equations	0	Browse
Topic-wide	14	Browse

Transform Theory

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Laplace Transform	0	Browse
Fourier Transform	0	Browse
Z-Transform	0	Browse
Topic-wide	5	Browse

General Aptitude

211

Numerical Ability

116

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Analytical Reasoning	0	Browse
Logical Reasoning	0	Browse
Progressions	0	Browse
Numbers	0	Browse
Clocks and Time Sequence	0	Browse
LCM and HCF, Factors and Remainders	0	Browse
Simple and Compound Interest	0	Browse
Venn Diagrams	0	Browse
Direction Sense	0	Browse
Arithmetic Reasoning	0	Browse
Insert Missing Character	0	Browse
Ratio and Proportion	0	Browse
Percentage, Profit, Loss and Partnerships	0	Browse
Stocks and Shares	0	Browse
Average, Mixtures and Allegations	0	Browse
Geometry and Mensuration	0	Browse
Ages	0	Browse
Time and Work	0	Browse
Pipes and Cisterns	0	Browse
Time and Distance	0	Browse
Data Interpretation	0	Browse
Analytical Figures	0	Browse
Blood Relations	0	Browse
Coding and Decoding	0	Browse
Cube and Dice	0	Browse
Ranking	0	Browse
Speed and Relative Speed	0	Browse
Logarithms	0	Browse
Involution and Evolution	0	Browse
Probability	0	Browse
Permutation and Combinations	0	Browse
Quadratic Equations	0	Browse
Miscellaneous - Numerical Ability	0	Browse
Topic-wide	116	Browse

Verbal Ability

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Grammar	0	Browse
Spotting Errors	0	Browse
Objective Comprehension	0	Browse
Sentence Completion	0	Browse
Sentence Improvement	0	Browse
Analogy	0	Browse
Ordering of Sentences	0	Browse
Vocabulary	0	Browse
Critical Reasoning	0	Browse
Miscellaneous - Verbal Ability	0	Browse
Topic-wide	95	Browse