• 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 delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is

 1/3
 √3
 1/√3
 3

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Oil is provided in an oil filled transformer for

  both cooling and insulation.
 cooling.
 lubrication.
  insulating.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which method is less recommendable for induction motor starting in the industries?

  Rotor resistance starting.
  Auto transformer starting.
  Direct online starting.
  Stator resistance starting.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type of motors uses slip rings?

 Induction motors
 Both Synchronous and Induction motor
 DC Shunt Motor
 Synchronous motors

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor must started on no load because it would

 Draw more current without producing sufficient torque.
  Run at dangerously high speed.
 Fail to start without load.
 Not develop starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output power of any electrical motor is taken from the

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

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
↑