• 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 commutator segments of DC machines are made up of

 copper
 hard-drawn copper
 copper alloy
 brass

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence?

 BYR
All of these
 BRY
 RBY

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed regulation of a DC motor is given as

 (NfL − NnL)/NnL.
 NnL − NfL.
 NnL/NfL.
 (NnL − NfL)/NfL.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Direction of the current in the compensating winding is________ to the direction of current in the armature conductors?

 same
None of these
 either of these
 exactly opposite

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is

 0 V.
 20 V.
 60 V.
 40 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Diverters are used only in

 shunt motors
 series motors
 either of these
None of these

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
↑