• 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
In a synchronous motor, damper windings are provided on

  rotor shaft.
  stator frame.
  pole faces.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Compensating windings is placed in which part of a D.C motor?

None of these
 On yoke in the inter pole gap.
 On armature.
  On yoke in the pole faces.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which single phase motor is used for a refrigerator?

  Universal.
  Capacitor run.
  Split phase.
  Repulsion.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is

 11.5 A.
 23 A.
 27 A.
  13.5 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Skewing of cage rotors offers the following advantages

  locking tendency is reduced.
  uniform torque.
  less noise.
  all of below.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be

 0.25.
 1.24.
 0.72.
 0.62.

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
↑