• 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 output power of any electrical motor is taken from the

 Field.
 Coupling mounted on the shaft.
 Motor frame.
 Armature.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine yoke offers

 flux path completion
 mechanical protection to the machine
 both A and B
 produce working flux

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A simple method of increasing the voltage of a DC generator is to

 increase the number of turns in field coil.
 increase the number of turns in armature coil.
 increase the source frequency.
  increase the speed of shaft rotation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss?

  1960 Watt.
 1800 Watt.
 1920 Watt.
  980 Watt.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
With the increases in field excitation of a DC generator, its generated emf

  remains constant.
  increases upto a limit and then remains almost constant.
 increases.
  decreases.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of these types of motor is used in elevators?

 DC compound motor.
 DC series motor.
 None of these.
 DC shunt motor.

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
↑