• 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
Microwave frequencies are normally regarded as those in the range of

1000 to 10,000 GHz
1 to 500 MHz
1 to 100 GHz
10 to 1000 GHz

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
A traveling-wave tube (TWT) amplifies by virtue of

The absorption of energy by the signal from an electron stream
The energy liberated form the collector
The energy contained the cavity resonators
The effect of an external magnetic field

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have

The restricted high-frequency response
Low-pass filters
The shortest possible time
A long time constant

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Microwave Communication
Which of the following operating frequencies is used for the modern loran navigational system?

Loran D: 10.2 kHz
Loran C: 100 kHz
Loran B: 900 kHz
Loran A: 1950 kHz

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
↑