Series of Questions and Answers in Communications Engineering

In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in Communications Engineering field (Electronics Systems and Technologies). In the actual board, you have to answer 100 items in Electronic Systems and Technologies within 5 hours. You have to get at least 70% to pass the subject. Electronic Systems and Technologies is 30% of the total 100% Board Rating along with Mathematics (20%), General Engineering and Applied Sciences (20%) and Electronics Engineering (30%).

MODULE 1: Questions and Answers in Transmission Fundamentals

Topic Outline

• MCQs in Transmission System
• MCQs in Transmission Medium
• MCQs in Velocity and Line Wavelength
• MCQs in Characteristics Impedance
• MCQs in Primary Line Constants and Propagation Constants
• MCQs in Standing Waves
• MCQs in Voltage Standing Wave Ratio
• MCQs in Telephone Lines and Cables
• MCQs in Wave Guides
• MCQs in Balanced and Unbalanced Lines
• MCQs in Twisted pair wire, Coaxial Cable
• MCQs in Decibel
• MCQs in Signal and Noise Fundamentals

Transmission Fundamentals MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                Answer key: PART X

SEE: More Questions and Answers in Transmission Fundamentals

MODULE 2: Questions and Answers in Acoustics

Topic Outline

• MCQs in Acoustics Terms and Definition
• MCQs in Frequency Range
• MCQs in Sound Pressure Level
• MCQs in Sound Intensity
• MCQs in Loudness Level
• MCQs in Pitch and Frequency
• MCQs in Internal and Octave
• MCQs in Sound Distortion
• MCQs in Room Acoustics
• MCQs in Electro-Acoustics Transducers

Acoustics MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

SEE: More Questions and Answers in Acoustics

MODULE 3: Questions and Answers in Modulation

Topic Outline

• MCQs in Amplitude Modulation
• MCQs in Phase Modulation
• MCQs in Sound Pressure Level
• MCQs in Frequency Modulation
• MCQs in Pulse Modulation

Modulation MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

SEE: More Questions and Answers in Modulation

MODULE 4: Questions and Answers in Noise

Topic Outline

• MCQs in External Noise
• MCQs in Phase Noise
• MCQs in Noise Calculation and Measurements
• MCQs in Radio Interference

Noise MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

SEE: More Questions and Answers in Noise

MODULE 5: Questions and Answers in Radiation and Wave Propagation

Topic Outline

• MCQs in Electromagnetic Radiation
• MCQs in Radio Spectrum
• MCQs in Wave Propagation
• MCQs in Radiation Patterns
• MCQs in Wavelength Calculations
• MCQs in Radiation Resistance
• MCQs in Diversity Systems

Radiation and Wave Propagation MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

SEE: More Questions and Answers in Radiation and Wave Propagation

MODULE 6: Questions and Answers in Antennas

Topic Outline

• MCQs in Basic considerations
• MCQs in Wire Radiators in Space
• MCQs in Isotropic Radiator
• MCQs in Current and Voltage Distributions
• MCQs in Resonant and Non-resonant Antennas
• MCQs in Antenna Terms and Definition
• MCQs in Antenna Gain and Resistance
• MCQs in Bandwidth, Beamwidth and Polarization
• MCQs in Grounded and Ungrounded Antennas
• MCQs in Grounding Systems and Matching Systems
• MCQs in Antenna Types
• MCQs in Directional and Non-directional Antennas
• MCQs in Microwave Antennas
• MCQs in Wideband and Special Purpose Antennas

Antennas MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

SEE: More Questions and Answers in Antennas

MODULE 7: Questions and Answers in Wire and Wireless Communications

Topic Outline

• MCQs in Mobile Communications
• MCQs in Cellular Communication
• MCQs in Trunk Radio
• MCQs in Radio Paging System
• MCQs in Telephone Set
• MCQs in Signaling
• MCQs in Transmission Considerations in long distance network
• MCQs in Insertion Loss
• MCQs in VF Repeaters
• MCQs in Traffic Calculations
• MCQs in Reference Equivalent and Standards
• MCQs in Telephone Networks
• MCQs in Billing
• MCQs in Network Hierarchy and Class type
• MCQs in Connection and Performance of Wire and Wireless Communications

Wire and Wireless Communications MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                Answer key: PART X

SEE: More Questions and Answers in Wire and Wireless Communications

MODULE 8: Questions and Answers in Microwave Communications and Principles

Topic Outline

• MCQs in Basic Principles of Microwave Communications
• MCQs in Electro-Optics
• MCQs in Photonics
• MCQs in Optoelectronics
• MCQs in Electromagnetics
• MCQs in Avionics, Aerospace, Navigational and Military Applications
• MCQs in Medical Electronics
• MCQs in Cybernetics
• MCQs in Biometrics

Microwave Communications MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

SEE: More Questions and Answers in Microwave Communications

MODULE 9: Questions and Answers in Digital and Data Communication Networks

Topic Outline

• MCQs in Bit and and Binary Transmission
• MCQs in Signaling Rate
• MCQs in Error Probability, Digital Filtering, Switching, Packet Circuit, Vertical Circuit
• MCQs in Open systems Interconnection
• MCQs in Multiplying, Modulation and Synchronization
• MCQs in Pulse Code Modulation, Companding, Encoding, Bandwidth and Signal to Noise Ratio
• MCQs in Delta Modulation, Slope Overload, Adaptive Delta Modulation, Codes and Protocol
• MCQs in Error Detection and Correction, Digital Carrier systems
• MCQs in Frequency Shift Keying, Phase Shift Keying, Differential Phase Shift keying
• MCQs in DC nature of data transmission, loops, Neutral and Polar
• MCQs in Binary transmission and the concept of time
• MCQs in Asynchronous and Synchronous, timing, Distortion, Bits, band, WPM
• MCQs in Data Interface standards, Data input/output devices
• MCQs in Digital Transmission on analog channel, Modulation-demodulation schemes parameters
• MCQs in Circuit conditioning, Modem Applications
• MCQs in Serial and Parallel Transmission

Digital and Data Communication Networks MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

SEE: More Questions and Answers in Digital and Data Communications

MODULE 10: Questions and Answers in Fiber Optics

Topic Outline

• MCQs in Principles of Light Transmission
• MCQs in Types of Light Sources, Laser, LED
• MCQs in Light Detectors
• MCQs in Modulation and Waveform
• MCQs in System Design
• MCQs in General application
• MCQs in System Bandwidth
• MCQs in Splicing Techniques

Optical Fiber Communications MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

SEE: More Questions and Answers in Fiber Optics Communications

MODULE 11: Questions and Answers in Satellite System

Topic Outline

• MCQs in Satellite System
• MCQs in Types of Satellite
• MCQs in Satellite Orbit
• MCQs in Uplink considerations
• MCQs in Demand Assignments Multiple Access
• MCQs in Antenna Tracking
• MCQs in Satellite Link Budgets
• MCQs in Satellite Path Loss
• MCQs in Satellite Figure of Merit
• MCQs in Ratio of Carrier to thermal Noise Power
• MCQs in Station Margin
• MCQs in VSAT

Satellite Communications MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

SEE: More Questions and Answers in Satellite Communications

MODULE 12: Questions and Answers in Broadcasting and Cable TV Systems

Topic Outline

• MCQs in Radio Transmitter
• MCQs in AM and FM
• MCQs in Television
• MCQs in Studio (Microphone, Amplifiers, Cameras, Lighting, etc.)
• MCQs in Cable Television

Broadcasting and Cable TV System MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

SEE: More Questions and Answers in Broadcasting and Cable TV Systems

MODULE 13: Questions and Answers in Navigational Aids and Radar Systems

Topic Outline

• MCQs in Other Navigational Methods
• MCQs in Electronic Aids to Radio Navigation
• MCQs in Distance Measuring Equipment
• MCQs in Automatic Direction Finder
• MCQs in Instrument Landing System
• MCQs in Microwave Landing System
• MCQs in Ground Proximity Warning System
• MCQs in Traffic Alert and Collision Avoidance System
• MCQs in Navigation by using Satellites
• MCQs in GPS, GLONASS, Galileo Positioning System
• MCQs in Radar
• MCQs in Radar Frequency Bands
• MCQs in Radar Functions and Roles
• MCQs in Radar Parameters: PRT, PRF, the Duty Cycle, Average Power
• MCQs in Doppler Effect
• MCQs in Radar Beacons
• MCQs in Range Equations

Navigational Aids and Radar Systems MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

MODULE 14: Questions and Answers in Miscellaneous Communications Engineering

Miscellaneous Communications Engineering MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

MCQs and other related Materials in Communications Engineering

Communications Engineering Coaching Materials

Series of Communications Engineering Exams: ECE Pre-Board

Multiple Choice Questions in Data Communications and Networking

Reviewer in Electronic Communications System by Wayne Tomasi

Reviewer in Communications Electronics by Louis Frenzel

Frenzel Self-test in in Communications Electronics

Review Notes in Communications Engineering (EST)

Multiple Choice Questions in Electronic Communication Systems by Kennedy

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