• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Transformers

Transformers
Distribution transformers are generally designed for maximum efficiency around

50% load
Zero load
90% load
25% load

ANSWER DOWNLOAD EXAMIANS APP

Transformers
What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary?

9.6
0.96
0.4
4

ANSWER DOWNLOAD EXAMIANS APP

Transformers
The mutual flux in a transformer remains constant at all loads because ______

Leakage flux is small
Losses are small
Iron core is used
Applied voltage and frequency are constant

ANSWER DOWNLOAD EXAMIANS APP

Transformers
In a transformer routine efficiency depends upon

Both power factor and load current
Load current
Power factor of load
Supply frequency

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Which of the following transformer is smallest?

2kVA, 400 Hz
2kVA, 200 Hz
2kVA, 500 Hz
2kVA, 50 Hz

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Which of the following transformer should never have the secondary open circuited while the primary is energised?

Current transformer
Power transformer
Potential transformer
Auto transformer

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Transformers

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
↑