• 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 armature voltage control is considered suitable for a DC motor driven at constant

 torque.
 speed.
 current.
 power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio

 50%
 66.3%
 57.7%
 33.3%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ slip ring motor has

  wound rotor.
  double cage rotor.
  short-circuited rotor.
  any of the above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be

 1.4 mWb.
 3.5 mWb.
 2.7 mWb.
  1.2 mWb.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The commutator segments of DC machines are made up of

 hard-drawn copper
 copper
 brass
 copper alloy

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is

 zero
 minimum
All of these
 maximum

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
↑