• 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
Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of

500 A at 500 V
400 A at 400 V
100 A at 100 V
300 A at 300 V

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The efficiency of an electrolytic rectifier is nearly

50 %
60 %
70 %
40 %

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
To produce cathode spot in a mercury arc rectifier

tube is evacuated
low mercury vapour pressures are used
anode is heated
an auxiliary electrode is used

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The ionization potential of mercury is approximately

16.4 V
None of the listed here
5.4 V
10.4 V

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as

maximum grid voltage
non of the listed here
all of the listed here
critical grid voltage

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode.

none of the listed here
any of the listed here
accelerates
decelerates

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
↑