• 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
Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H?

 1 V
 2 V
 0 V
 4 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The material used for commutator brushes is mostly

 copper.
 cast iron.
  carbon.
 mica.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of a 3-phase induction motor operating in its stable region

 decreases with decrease in the load torque.
 decreases with increase in the load torque.
 remains constant.
 increases with increase in the load torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively?

 10 KVA
 0 KVA
 6 KVA
 4 KVA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Dynamic braking is employed to brake

 reversing drive
None of these
 non reversing drive
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Skewing of cage rotors offers the following advantages

  uniform torque.
  less noise.
  locking tendency is reduced.
  all of below.

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
↑