• 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
A rotary converter operates at a

high power factor
low power factor
None of the listed here
zero power factor

ANSWER DOWNLOAD EXAMIANS APP

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

colour of mercury
ionization
high temperature
electron streams

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In which of the following applications, direct current is absolutely essential ?

Electrolysis
Variable speed operation
Traction
Illumination

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

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

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a three-phase mercury arc rectifiers each anode conducts for

One-third of a cycle
One-fourth of a cycle
One-half a cycle
Two-third of a cycle

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
With a motor converter it is possible to obtain D.C. voltage only upto

200-100 V
1700-2000 V
1000-1200 V
600-800 V

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
↑