• 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
Copper
Zinc

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
The potential drop in the arc, in a mercury arc rectifier, varies

0.5 V to 1.5 V per cm length of the arc
none of the listed here
0.05 V to 0.2 V per cm length of the arc
2 V to 3.5 V per cm length of the arc

ANSWER DOWNLOAD EXAMIANS APP

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

30°C
75°C
55°C
45°C

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
Ageing of a selenium rectifier may change the output voltage by

25 to 30 per cent
None of the listed here
5 to 10 per cent
15 to 20 per cent

ANSWER DOWNLOAD EXAMIANS APP

Rectifiers and Converters
If cathode and anode connections in a mercury arc rectifier are inter changed

Both ion and electron streams will move in the same direction
Internal losses will be reduced
The rectifier will operate at reduced efficiency
The rectifier will not operate

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
↑