• 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 which of the following equipment direct current is needed?

Time switches
All of the listed here
Relay
Telephones

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The advantage of mercury arc rectifier is that

All of the listed here
it is light in weight and occupies small floor space
it is comparatively noiseless
it has high efficiency

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a rotary converter armature currents are

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
In a mercury arc rectifier positive ions are attracted towards

shell bottom
anode
cathode
mercury pool

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
↑