Phased Array MCQ

Test your knowledge with important Phased Array MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Phased Array MCQs at Bissoy

• Parallel plate feed is a cross of constrained and space feed.
  ক

  True

  খ

  False
• A folded pillbox antenna is used in which of the following feeding system?
  ক

  Parallel plate feed

  খ

  Space feed

  গ

  Optical feed system

  ঘ

  Constrained feed system
• Which of the following feed techniques the reflect array used particularly?
  ক

  Space feed

  খ

  Constrained feed

  গ

  Parallel plate feed

  ঘ

  Sub array
• The power divider used to connect array elements to single port is called _____
  ক

  array feed

  খ

  phase shifter

  গ

  frequency shifter

  ঘ

  repeater
• In which of the following the power is divided in single step among the elements?
  ক

  Optical feed system

  খ

  Constrained feed system

  গ

  Parallel feed system

  ঘ

  Sub-array
• In which of the following radiators are combined into sub-arrays and then fed to elements in end or center fed?
  ক

  Parallel feed

  খ

  Series feed

  গ

  Optical feed system

  ঘ

  Series end feed
• In which of the following the feed is provided at the end of the array?
  ক

  Series end fed

  খ

  Series center fed

  গ

  Parallel feed

  ঘ

  Optical feed systems
• Which of the following series feed has same bandwidth similar to parallel feed network?
  ক

  End fed array

  খ

  Center fed array

  গ

  Both end fed and Center fed array

  ঘ

  Neither End fed nor center fed array
• In which of the following feed system, the power division among elements on aperture is done in several steps?
  ক

  Constrained feed systems

  খ

  Optical feed systems

  গ

  Lens array

  ঘ

  Reflect array
• Phase array with lens array come under which feeding system?
  ক

  Optical-feed system

  খ

  Constrained feed system

  গ

  Sub array feed

  ঘ

  Phase shifter
• Which of the following is mainly used in electronic scanning?
  ক

  Phase shifters

  খ

  Amplifiers

  গ

  Repeaters

  ঘ

  Limiters
• In which of the following scanning the phase of the radiator is constant at one frequency?
  ক

  Phase scanning

  খ

  Frequency scanning

  গ

  Both Phase and frequency scanning

  ঘ

  Neither Frequency nor Phase scanning
• In which of the following type of scanning a heterodyne is used?
  ক

  IF Scanning

  খ

  Frequency scanning

  গ

  Phase scanning

  ঘ

  Digital beam-forming
• In Frequency scanning, the phase of all radiators is constant for the frequency tuned at that instant
  ক

  True

  খ

  False
• Electronic scanning is more advantageous compared to mechanical scanning
  ক

  True

  খ

  False
• Which of the following principle is used in the phased array radar?
  ক

  Interference

  খ

  Diffraction

  গ

  Reflection

  ঘ

  Refraction
• In which of the following a single radiator source is used to feed antenna with different phase shifts?
  ক

  Phased array

  খ

  FMCW radar

  গ

  Monopulse radar

  ঘ

  CW radar