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

Rectifiers and Converters

Rectifiers and Converters
The efficiency of the copper oxide rectifier seldom exceeds

90 to 95%
65 to 75%
85 to 90%
80 to 85%

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
A rotary converter is a single machine with

one armature and two fields
one armature and one field
none of the listed here
two armatures and one field

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a mercury arc rectifier, the anode is usually made of

silver
aluminium
graphite
copper

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply?

Mechanical rectifiers
Copper oxide rectifiers
Electrolytic rectifiers
Selenium rectifiers

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following

anode drop and cathode drop
anode drop and arc drop
cathode drop and arc drop
anode drop, cathode drop and arc drop

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
Ageing of a selenium rectifier may change the output voltage by

None of the listed here
25 to 30 per cent
15 to 20 per cent
5 to 10 per cent

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Rectifiers and Converters

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
↑