• 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 a high power microwave oscillator?

Klystron
Thyratron
Magnetron
Reflex-klystron

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The aquadag coating on the inside of PPI tube is used

To shield the electron beam from unidirectional magnetic
All of these
As a second anode and to prevent the build-up of secondary field
To focus the beam of primary electrons

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance.

Fifth
Fourth
Third
Sixth

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The maximum usable range of the usual radar set (on any particular range setting) is determined by

The interval between transmitted pulses
The width of the transmitted pulses
The duty cycle
The bandwidth of the receiver IF stages

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
In microwave transmission using digital radio, what causes most intersymbol interference?

Random Doppler shift
Rayleigh fading
Delayed spreading
Slow fading

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the

Output power would increase
The frequency will decrease
Bunching would occur earlier in time
Oscillation will cease

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
↑