• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Microwave Communication

Microwave Communication
Which of the following is used as an oscillator device in the SHF band?

Tunnel diode
Thyratron tube
Both B and C
Klystron tube

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
Oscillators of a klystron tube are maintained

By plate-to-cathode feedback
By circulating bunches of electrons within the cavities.
By bunches of electrons passing the cavity grids
By feedback between the accelerating grid and the repeller

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
In a radar-set receiver, the usual mixer stage is

A silicon crystal
A Rochelle salts crystal
And FET
A tunnel diode

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the

Electron transit time
Inter-electrode capacitance
Distributed lead inductance
Degree of emission from the cathode

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor.

LORAN
SONAR
Echosounder
Fathometer

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The coarse frequency adjustment of a reflex klystron is accomplished by

Varying the repeller voltage
Adjusting the flexible wall of the resonant cavity
The AFC system
An adjustment in the synchronizer

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Microwave Communication

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
↑