• 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
Transformer cooling and insulating oil must be of

 low BDV.
 high viscosity.
  low viscosity.
 low resistivity.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase

 any of the two machines
 machine B
 machine A
 none of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator, lap winding is used in

 where constant speed is required.
 high voltage and low current applications.
  high current and low voltage applications.
 where greater load is connected.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called

  slip.
  crawling.
  cogging.
  skewing.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motors are suitable for computer printer drive ?

 Reluctance motor.
  Stepper motor.
 Shaded pole motor.
 Hysteresis motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A three phase 400 V, 6 pole, 50 Hz, squirrel cage induction motor is running at a slip of 5%. The speed of stator magnetic field with respect to rotor magnetic field and speed of rotor w.r.t stator magnetic field are

 zero, 950 rpm.
 zero , - 50 rpm.
 1000 rpm, - 50 rpm.
 1000 rpm, 950 rpm.

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
↑