• 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
In a glass bulb mercury arc rectifier the maximum current rating is restricted to

500 A
1500 A
200 A
2000 A

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a rotary converter armature currents are

partly a.c. and partly d.c.
a.c. only
None of the listed here
d.c. only

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In which of the following equipment direct current is needed?

Telephones
All of the listed here
Relay
Time switches

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
Which of the following is the loss within the mercury arc rectifier chamber?

Voltage drop at the cathode
All of the listed here
Voltage drop at the anode
Voltage drop in arc

ANSWER DOWNLOAD EXAMIANS APP

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

high temperature
colour of mercury
electron streams
ionization

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
↑