• 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
Which of the following metals is generally manufactured by electrolysis process?

Load
Aluminium
Zinc
Copper

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The voltage drop at anode, in a mercury arc rectifier is due to

high ionization potential
self restoring property of mercury
energy spent in overcoming the electrostatic field
high temperature inside the rectifier

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
Copper oxide rectifier is usually designed not to operate above

55°C
30°C
45°C
75°C

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In phase-shift control method the control is carried out by varying the of grid voltage.

phase
magnitude
polarity
All of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a mercury arc rectifier characteristic blue luminosity is due to

colour of mercury
high temperature
ionization
electron streams

ANSWER DOWNLOAD EXAMIANS APP

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

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

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
↑