Electric Drives MCQ (Multiple Choice Questions)

Electric Drives MCQ - Multiple Choice Questions and Answers

Our 1000+ Electric Drives MCQ (Multiple Choice Questions and Answers) focus on all areas of Electric Drives covering 100+ topics. These topics are chosen from a collection of the most authoritative and best reference books on Electric Drives. One should spend 1 hour daily practicing these MCQs for 2-3 months to learn and assimilate Electric Drives subject comprehensively. This way of systematic learning will prepare anyone easily for Electric Drives exams, contests, online tests, quizzes, MCQ-tests, viva-voce, interviews, and certifications.

Electric Drives Multiple Choice Questions Highlights

- 1000+ Multiple Choice Questions & Answers (MCQs) in Electric Drives with a detailed explanation of every question.
- These MCQs cover theoretical concepts, true-false(T/F) statements, fill-in-the-blanks and match the following style statements.
- These MCQs also cover numericals as well as diagram oriented MCQs.
- These MCQs are organized chapterwise and each Chapter is futher organized topicwise.
- Every MCQ set focuses on a specific topic of a given Chapter in Electric Drives Subject.

Who should Practice Electric Drives MCQs?

– Students who are preparing for college tests and exams such as mid-term tests and semester tests on Electric Drives.
- Students who are preparing for Online/Offline Tests/Contests in Electric Drives.
– Students who wish to sharpen their knowledge of Electric Drives Subject.
- Anyone preparing for Aptitude test in Electric Drives.
- Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews).
- Anyone preparing for entrance examinations and other competitive examinations.
- All - Experienced, Freshers and College / School Students.

Electric Drives Chapters

Here's the list of chapters on the "Electric Drives" subject covering 100+ topics. You can practice the MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice.

1. Dynamics of Electrical Drives

The section contains multiple choice questions and answers on loads types, speed quadrantal diagram, load torques that depends on path or position of load during motion, motor load combination dynamics, moment of inertia determination, electric drives steady state and transient stability.

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  • Types of Loads
  • Quadrantal Diagram of Speed – Torque Characteristics
  • Load Torques that Depend on the Path or Position Taken by the Load During Motion
  • Load Torques that Vary with Angle of Displacement of the Shaft
  • Load Torques that Vary with Time
  • Dynamics of Motor-Load Combination
  • Determination of Moment of Inertia
  • Steady State Stability of an Electric Drive
  • Transient Stability of an Electric Drive
  • 2. Characteristics of DC & AC Motors

    The section contains questions and answers on dc motors basic relations and characteristics, dc shunt motors speed torque characteristics, modified characteristics applications, armature terminal voltage control, three phase induction and synchronous motors.

  • Basic Relations
  • Basic Characteristics
  • Modified Speed Torque Characteristics of DC Shunt Motors
  • Modified Speed Torque Characteristics of DC Series Motors
  • Application of Modified Characteristics
  • Direct Control of Armature-Terminal Voltage
  • Three Phase Induction Motors
  • Three Phase Synchronous Motors
  • 3. Starting

    The section contains MCQs on power supply starting effect, starting electric motors methods, acceleration time, energy relations and energy loss reduce methods during starting.

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  • Effect of Starting on Power Supply, Motor and Load
  • Methods of Starting Electric Motors
  • Acceleration Time
  • Energy Relations During Starting
  • Methods to Reduce the Energy Loss During Starting
  • 4. Speed Control of Direct Current Motors & Induction Motors

    The section contains multiple choice questions and answers on shunt and series motor speed control, speed control basic principles, speed controlling using rotor resistance and inductance , rotor voltage injection, slip energy recovery, current source speed control, voltage/frequency control, speed controlling by adjusting stator voltage and supply frequency.

  • Speed Control of Shunt or Separately Excited Motors
  • Speed Control of Series Motor
  • Basics Principles of Speed Control
  • Controlling Speed Using Rotor Resistance
  • Rotor Voltage Injection
  • Slip Energy Recovery
  • Controlling Speed Using Inductance
  • Controlling Speed by Adjusting the Stator Voltage
  • Controlling Speed by Adjusting the Supply Frequency
  • Voltage/Frequency Control
  • Current Source Speed Control
  • 5. Braking of Electric Motors

    The section contains questions and answers on electric motors braking like regenerative braking, dynamic and countercurrent braking.

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  • Regenerative Braking
  • Dynamic Braking
  • Countercurrent Braking
  • 6. Braking of DC Motors & Induction Motors

    The section contains MCQs on dc shunt and series motors regenerative braking, dynamic braking of dc shunt and series motors, dc shunt motors countercurrent braking, 3-phase im regenerative braking and dynamic braking.

  • Regenerative Braking of DC Shunt Motors
  • Regenerative Braking of DC Series Motors
  • Dynamic Braking of DC Shunt Motors
  • Dynamic Braking of DC Series Motors
  • Countercurrent Braking of DC Shunt Motors
  • Regenerative Braking (3-phase IM)
  • Dynamic Braking(IM)
  • 7. Rating and Heating of Motors

    The section contains multiple choice questions and answers on heating effects, loading conditions and duty classes, load inertia effect, electric motors determination, load equalisation and environmental factors.

  • Heating Effects
  • Loading Conditions and Classes of Duty
  • Determination of Power Rating of Electric Motors for Different Applications
  • Effect of Load Inertia
  • Load Equalisation
  • Environmental Factors
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    8. Introduction to Solid State Controlled Drives

    The section contains questions and answers on dc and ac motor systems, switch-reluctance motor drives and brushless dc motors.

  • DC Motor Systems
  • AC Motor Systems
  • Switch-Reluctance Motor Drives
  • Brushless DC Motors
  • 9. Introduction to Solid-State Devices

    The section contains MCQs on solid state devices transistors and thyristors, power electronic devices ratings, di/dt and dv/dt protections.

  • Transistors
  • Thyristors
  • Ratings of Power Electronic Devices
  • di/dt and dv/dt Protection
  • 10. Introduction to Solid-State Switching Circuits

    The section contains multiple choice questions and answers on single phase, half-wave, ac/dc conversion for resistive loads and inductive loads without freewheeling diode, three phase, full-wave, ac/dc conversions, conversions like dc/dc and dc/ac conversion, three-phase energy recovery systems and current source inverter.

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  • Single Phase, Half-Wave, AC/DC Conversion for Resistive Loads
  • Single Phase, Full-Wave, AC/DC Conversion for Resistive Loads
  • Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads Without Freewheeling Diode
  • Single Phase, Half-Wave, AC/DC Conversion for Inductive Loads With Freewheeling Diode
  • Three Phase, Half-Wave, AC/DC Conversion for Resistive Loads
  • Three Phase, Full-Wave, AC/DC Conversion
  • DC/DC Conversion
  • DC/AC Conversion
  • Three-Phase Energy Recovery Systems
  • Current Source Inverter
  • 11. Solar and Battery Powered Drives

    The section contains questions and answers on solar panels, solar powered pump drives and vehicles.

  • Solar Panels
  • Solar Powered Pump Drives
  • Solar Powered Vehicles
  • 12. Traction Drives

    The section contains MCQs on electric traction services, traction load nature, traction drives power factor and harmonics.

  • Electric Traction Services
  • Nature of Traction Load
  • Power Factor and Harmonics
  • 13. Electrical Drive Systems and Components

    The section contains multiple choice questions and answers on electrical drive systems, sequence operations and protection.

  • Electrical Drive Systems
  • Sequence Operations and Protection
  • If you would like to learn "Electric Drives" thoroughly, you should attempt to work on the complete set of 1000+ MCQs - multiple choice questions and answers mentioned above. It will immensely help anyone trying to crack an exam or an interview.

    Wish you the best in your endeavor to learn and master Electric Drives!

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    Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Youtube | Instagram | Facebook | Twitter