• 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 causes multipath or frequency selective fading?

Small reflector
Large reflector
Nearer reflector
Further reflector

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
The frequency of the oscillation generated by a magnetron, is mainly determined by

The ratio of the dc cathode voltage to the magnetic flux density
The number of the cavity resonators
The flux density of the external magnet
The dimension of each cavity resonator

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
Oscillators of a klystron tube are maintained

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

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

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
If k-factor is greater than 1, the array beam is bent

Towards the ionosphere,
Away from the earth
Towards the outer space
Towards the earth

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
↑