• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electrical Machines

Electrical Machines
What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip?

 1 Hz
 2.5Hz
 2HZ
 50Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is

 0%.
  8.9%.
 7%.
 14%.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the actual arrangement of series wound generator?

 Armature and field both are connected.
  Armature and field both are in series with the load.
 Armature winding is in series with load.
 Armature and field both are parallel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be

 25.564 Ω.
 2.74 Ω.
  2.241 Ω.
 2.781 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected

 in series
 in parallel
 either of these depending on the design of the motor
 through inductive coupling

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Commutator pitches of duplex and simplex lap windings are respectively

 4 ang 1
 2 and 2
 4 and 2
 2 and 1

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑