• 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
Efficiency of a power transformer is of the order of

50 per cent
98 per cent
25 per cent
100 per cent

ANSWER DOWNLOAD EXAMIANS APP

Transformers
A common method of colling a power transformer is

Oil cooling
Air blast cooling
Any of the listed here
Natural air cooling

ANSWER DOWNLOAD EXAMIANS APP

Transformers
The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is

5 A
10 A
15 A
20 A

ANSWER DOWNLOAD EXAMIANS APP

Transformers
A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is

0.4
25
0.2
5

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Short circuit test of a transformer helps us to find its

Cu loss at no load
None of the listed here
Iron loss
Full load cu loss

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Distribution transformers are generally designed for maximum efficiency around

50% load
Zero load
25% load
90% load

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
↑