• 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
A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is

 0 Hz
 25 Hz
 100 Hz
 50 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Commonly used starters of cage motor is

  star delta.
  DOL.
None of these
  both A and B.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following methods are used to control the speed of DC motors is

 supply voltage control
 field current control
All of these
 armature circuit resistance control

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are

 1/√3, 1/√3
 1/√3, 1/3
 1/3, 1/√3
 1/3, 1/3

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The field divertor resistance for a DC series motor is of order of

 100 Ω
 0.1 Ω
 50 Ω
 10 Ω

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Voltage regulation can be determined by which of the following?

All of these
 Synchronous impedance method.
 MMf method.
 ZPF method.

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
↑