• 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 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle?

 30°
 60°
 18°
 20°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output voltage of a DC generator is

 E = V + Ia.
 E = V – IaRa.
 E = V + Ra.
  E = V + IaRa.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by

 varying the speed.
 changing the field excitation.
 varying the applied voltage.
 changing the load.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When an electric train is moving down a hill, the DC motor will operate as

 DC shunt generator.
  DC series motor.
 DC shunt motor.
  DC series generator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Diverters are used only in

 shunt motors
 either of these
None of these
 series motors

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Reluctance and hysteresis motors are the types of which electrical motor?

 3 - Φ induction motor.
  1 - Φ synchronous motor.
 Stepper motor.
 DC 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
↑