• 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
Coupling into and out of a traveling-wave tube can be accompanied by a

Direct coax-helix match
Cavity match
Waveguide match
All of these

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
Sixth
Third

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
In a pulsed radar set, the function of the duplexer is to

Prevent frequency drift in the klystron
Allow the transmitter and the receiver to operate from a common antenna
Aid in calibrating the display unit
All of these

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?

Rayleigh fading
Rician fading
Wavelength fading
Slow fading

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be

A decrease in range
No noticeable effect
A decrease in gain
A reduction in horizontal resolution

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
↑