Inst ToolsInst ToolsInst Tools
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
  • Request
Search
  • Books
  • Software
  • Projects
  • Process
  • Tools
  • Basics
  • Formula
  • Power Plant
  • Root Cause Analysis
  • Electrical Basics
  • Animation
  • Standards
  • 4-20 mA Course
  • Siemens PLC Course
Reading: Electrical Machines Objective Questions
Share
Notification Show More
Font ResizerAa
Inst ToolsInst Tools
Font ResizerAa
  • Courses
  • Design
  • PLC
  • Interview
  • Control System
Search
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
  • Request
Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Inst Tools > Blog > Electrical Machines > Electrical Machines Objective Questions

Electrical Machines Objective Questions

Last updated: January 30, 2018 12:55 pm
Editorial Staff
Electrical Machines Electrical Q & A
No Comments
Share
4 Min Read
SHARE
Electrical Machines Questions & Answers
1. Magnetic Circuits
  • Principle of Energy Conversion
  • Excited Magnetic Systems
2. Basic Concepts in Rotating Machines
  • Reluctance Motor
  • Doubly Excited Magnetic Systems
  • Elementary Synchronous Machines
  • Singly Excited Electric Field Systems
  • Torque Production and Dynamic Equations
  • Terms Pertaining to Rotating Machines
  • Rotating Magnetic Field – 1
  • Rotating Magnetic Field – 2
3. Constructional Features of Rotating Electrical Machines
  • Features of Rotating Electrical Machines-1
  • Features of Rotating Electrical Machines-2
  • Features of Rotating Electrical Machines-3
4. Principles of Electro mechanical Energy Conversions
  • Generated Emfs
5. Rating and Loss Dissipation
  • Losses and Efficiency – 1
  • Losses and Efficiency – 2
  • Machine Ratings
  • Cooling(Loss Dissipation)
6. Electrical Machine Applications/ Armature Reaction and Commutation
  • Machine Applications
  • Action of Commutator
7. Electromechanical Energy Conversions
  • EMF Generated in the Armature
  • Torque in DC Machines
8. DC Machines
  • Circuit Model of DC Machines
  • Methods of Excitation
  • MMF and Flux Density Waveforms in DC Machines
  • Effect of Brush Shift and Compensation Windings
  • Efficiency and Testing of DC Machines
  • DC Machine Applications
9. DC Generators
  • Operating Characteristics of DC Generators
  • Rotating Amplifiers
10. DC Motors
  • Operating Characteristics of DC Motors
  • DC Motor Starting
  • Speed Control of DC Motors
  • Permanent Magnet DC (PMDC) Motors
11. Synchronous Machines
  • EMF Polygon – 1
  • EMF Polygon – 2
  • Production of Torque in Non-Salient Pole Machines
  • MMF Produced by Distributed Windings
  • Excitation Systems for Synchronous Machines
  • Flux and MMF Phasors in Synchronous Machines
  • Physical Concepts of Synchronous Machine Operation
  • Power Factor Control of Synchronous Machines
  • Two Reaction Theory of Salient Pole Machines
  • Power Angle Characteristics of Synchronous Machines
  • Measurement of Xd and Xq
  • Synchronous Machine Applications
12. Synchronous Generators
  • Phasor Diagram of a Cylindrical Rotor Alternator
  • Voltage Regulation of an Alternator
  • Operating Characteristics of Alternators and their Ratings
13. Synchronous Motors
  • Synchronous Motor Phasor Diagram
  • Power Factor Correction by Synchronous Motors
  • Starting of Synchronous Motors
14. Efficiency and Regulation
  • Power Flow Through an Inductive Impedance – I
  • Power Flow Through an Inductive Impedance – II
  • Efficiency of Synchronous Machines
  • Losses and Efficiency
15. Synchronous Machine Stability
  • Synchronizing Power and Synchronizing Torque
  • Synchronous Machine Stability
  • Hunting and Damper Windings
16. Induction Machines
  • Induction Motor as a Transformer
  • Principle of Operation
  • Flux and MMF Phasors and Waves in Induction Motors
  • Rotor Frequency
  • Rotor EMF, Current and Power
  • Induction Motor Phasor Diagram
  • Equivalent Circuit
  • Analysis of the Equivalent Circuit
  • Operating Characteristics of Induction Motors
  • Determination of Equivalent Circuit Parameters
  • Power Factor Control of Three Phase Induction Motors
  • Induction Generator
  • Applications of Polyphase Induction Motors
  • Circle Diagrams of Induction Machines
17. Starting of Induction Motors
  • Starting of Polyphase Induction Motors-I
  • Starting of Polyphase Induction Motors-II
18. Armature Windings
  • Armature Windings
19. Transformers
  • Transformer Construction
  • Ideal Two Winding Transformer
  • Transformer Phasor Diagram
  • Equivalent Circuit of Transformer
  • Open Circuit and Short Circuit Test
  • Voltage Regulation of Transformer
  • Transformer Losses and Efficiency
  • Parallel Operation of Single Phase Transformers
  • Transformer as a Magnetically Coupled Circuit
  • Three Phase Transformers
  • Autotransformers
Don't Miss Our Updates
Be the first to get exclusive content straight to your email.
We promise not to spam you. You can unsubscribe at any time.
Invalid email address
You've successfully subscribed !

Continue Reading

Transformers Interview Questions & Answers
6.6kV HV Induction motor Protection
DC machines and Induction Machines Viva Questions & Answers
Electrical Motor Starter Circuits
Types of AC Motors and DC Motors
Losses in a DC Generator
Share This Article
Facebook Whatsapp Whatsapp LinkedIn Copy Link
Share
Leave a Comment

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Stay Connected

128.3kFollowersLike
69.1kFollowersFollow
210kSubscribersSubscribe
38kFollowersFollow

Categories

Explore More

Electric Drives and Traction Interview Questions
Top 100 Switchgear and Protection Interview Questions
Basic Power Electronics Interview Questions
High Voltage and Power System Stability Interview Questions
Why Armature is placed on Stator for Synchronous machines
Synchronous Generator Salient Pole vs Non Salient Pole
Stepper Motor Basics, Types, Modes, Wiring, Questions
Star to Delta and Delta to Star Conversion Formula

Keep Learning

Importance of Hysteresis Loop

DC Motor Applications in Industries

VFD Interview Questions and Answers

VFD Interview Questions and Answers – Electrical Drives

Allen-Bradley VFD

AC Motor Speed Control

Top Electrical Engineering Interview Questions for Freshers

Top Electrical Engineering Interview Questions for Freshers

Induction Motor Protection Interview Questions

Induction Motor Protection Interview Questions Answers

Interview Questions and Answers

Electrical Machines Interview Questions and Answers

Squirrel Cage Induction Motor vs Slip Ring Induction Motor

Learn More

Instrumentation documents

Instrumentation documents

How to Prevent Conveyor Problems

Common Conveyor Problems and How to Prevent Them

What is Trunking

Difference Between Trunking and Conduit

SIS Bypass and Impairment - Safety Instrumented System

SIS Bypass and Impairment – Safety Instrumented System

Fieldbus Terminator

What is a Fieldbus Terminator and How Does it Work?

Siemens PLC

#20 PLC Best Practices – Identify Critical Alerts

Luft detector

Luft detector Principle

Electronic Devices & Circuits Objective Questions

Electronic Devices & Circuits Quiz – Set 7

Menu

  • About
  • Privacy Policy
  • Copyright

Quick Links

  • Learn PLC
  • Helping Hand
  • Part Time Job

YouTube Subscribe

Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Welcome Back!

Sign in to your account

Username or Email Address
Password

Lost your password?