EEE Topics (Questions Bank) - E Tips BD

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Sunday, January 27, 2013

EEE Topics (Questions Bank)

EEE Topics (Questions Bank)

  • Power Factor
  • Why CT and PT are used?
  • Important short questions about TRANSFORMER.
  • Why Transformer rating in KVA?
  • What is Auto Trandformer?
  • What would happen , if you keep open secondary of a loaded C.T?
  • Describe parallel operation of transformer stating the conditions.
  • What are the transformer losses?
  • Why need Transformer Test (Open Circuit and Short Circuit)
  • what is boucholz relay and the significance of it in to the transformer?
  • Define:Skin Effect, Corona Effect, Ferranti Effect, Proximity Effect.
  • Define:Load Factor, Utilization Factor, Capacity Factor, Demand Factor......
  • Define: Current, Voltage, Resistance, Impedance, Reactance.....
  • What is Automatic Voltage regulator (AVR)?
  • What is the difference between Isolator annd Circuit Breaker?
  • What is SF6 Circuit Breaker?
  • What is reverse power relay?
  • why, when birds sit on transmission lines or current wires doesn?t get shock?
  • What is different between grounding and earthings?
  • What are the errors in CT?
  • What are HRC fuses and where it is used?
  • What is the difference between MCB & MCCB, Where it can be used?
  • What is Lighting Arrestor? Where should the lighting arrestor be placed in distribution lines?
  • How tubelight circuit is connected and how it works?
  • what is the difference between synchronous generator & asynchronous generator?
  • What is an exciter and how does it work?
  • What is Alternator? Explain the working principle of alternator.
  • State emf equation of Alternator.
  • Condition of Alternator parallel operation.
  • What is Substation? Explain its classification.
  • What is distribution system? Define: Feeder, distributor ,Service main?.
  • What is Sag? State its equation (Equal tower or support)
  • what is the working principle of Induction motor?
  • Explain the working principle of DC Motor.
  • Armature Reaction of DC Motor.
  • Define: Torque, Back emf/ Counter emf, Speed control System of DC motor.
  • Fleming Right hand rule and Fleming Left Hand rule.
  • Faraday's law and Lenz's law
  • Induced emf, Mutual Induction.
  • What is semiconductor? P-type, N-type, Majority & Minority charge carrier...
  • What is PN junction? Explain Forward bias and Reverse bias.
  • Draw and Explain Full-wave Rectifier, Half-wave rectifier, Bridge rectifier....
  • What is Ripple Factor?
  • Draw and Explain operation Push-Pull power amplifier
  • Clipping and Clamping circuit.
  • Define: SCR, MOSFET, UJT, BJT, CMOS, DAIC, TRAIC.....
  • What is Zener diode? Explain its operation.
  • What is Digital Electronics? Explain Numbering system and Logic Gates
  • Define: Encoder, Decoder, Multiplexer, Demultiplexer, Register......

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