• 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
The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is

  60 Hz.
  25 Hz.
  16.67 Hz.
  50 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Generators work on the principle of production of

 dynamically induced emf.
None of these
 statically induced emf.
 dynamically and statically induced emf.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Voltage regulation of transformer is given by

 (E2 - V2) / V2
 (V2 - E2) / V2
 (V2 - E2) / E2
 (E2 - V2) / E2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Stray losses in transformer occurs in

 transformer insulating oil.
 steel core.
  winding conductors and steel structures of transformer.
 paper insulation in transformers.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor

  Decrease.
 Increase.
 None of these.
 Remains same.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be

  parallel.
  any one of the connection.
  no resistance is connected.
  series.

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
↑