सामयिक विषय: Defense/Science Short Notes

Night Trial of Prithvi-II Missile

Question- On February 21st, 2018, India successfully conducted a night trial of Prithvi-II missile from the Integrated Test Range, Chandipur in Balasore district of Odisha. It is a-
(a) Surface to Air
(b) Air to Surface
(c) Surface to Surface
(d) Air to Air
Answer: (c) 
Related facts:

  • On February 21st, 2018, India successfully conducted a night trial of the indigenously built nuclear-capable Prithvi-II missile from Chandipur in Balasore district of Odisha.
  • Prithvi- II missile was launched by a mobile launcher from the launch site.
  • This test of Prithvi- II was done by the Army’s Strategic Force Command (SFC) under regular user testing.
  • It is noteworthy that Prithvi-II is a surface-to-surface missile and its ranging capacity is 350 km is.
  • It was developed under Defense Guided Missile Development Program by the Defense Research and Development Organization (DRDO).
  • Its length is about 9 meters and it is a single step fluid propellant-powered missile.
  • This is capable of carrying the warhead of 500 to 1000 kg.
  • Army’s Strategic Force Command had deployed Prithvi-II in 2003.
  • Earlier, it was successfully tested on February 7t, 2018.


HAL develops first Hawk-i flight

Flight of Hawk-i

Question: Recently, Hindustan Aeronautics Limited has achieved a milestone with the first flight of Hawk-i. The name of the indigenous technology used n the hawk-i?
(a) Real Time Operating System (RTOS)
(b) Real Time Landing System (RTLS)
(c) Real Time Operating and Landing System (RTOLS)
(d) None of these
Answer: (a)
Related Facts:

  • On February 7th, 2018; the announcement has been on first ‘Hawk-Eye Flight’ developed by Hindustan Aeronautical Limited.
  • This ‘Hawk-i Flight’ is based on indigenous Real Time Operating System (RTOS) technology.
  • It is important that ‘Hawk-i’ is the first indigenous RTOS developed in India.
  • It has been certified by the ‘Center for Military Airworthiness and Certification’.
  • RTOS is actually system software.
  • It provides a standard run-time environment for real-time application performance in a safe and reliable manner.
  • RTOS is a major technology for concurrent execution of multiple applications.
  • This is the optimum use of hardware resources for the increasing complexity of the modern Avionics Software of the highest importance.
  • At present Avionic systems in India have been developed using commercial RTOS obtained from foreign suppliers.
  • The import of this technology is very expensive.
  • In addition, it offers very limited flexibility in incorporating new features and optimizing new hardware platforms.
  • Imported RTOS is also vulnerable towards cyber attacks. So that the fears of falling prey to safety and safety of avionic systems is threatened.
  • HAL-RTOS can be developed as a standard real time operating system for developing the country’s future avionics system.
  • In this context, recent achievement is an important event for Indian military aviation.


Japan successfully launches new Earth observation satellite

New Earth observation satellite

Question: Recently, Aerospace Exploration Agency of which of the following countries has successfully launched the new Earth observation satellite ‘Advanced Satellite with new system architecture for observation -2’?
(a) Russia
(b) France
(c) Japan
(d) China
Answer: (c) 
Related Facts:

  • On January 18th 2018, Japan’s Aerospace Exploration Agency (JAXA) successfully launched the new Earth observation satellite ‘Advanced Satellite with New System Architecture for Observation -2’ (ASNARO-2).
  • This satellite was launched from the Uni-uura Space Center located in the south-west of Kagoshima province of Japan.
  • This satellite has X-band radar, capable of taking high-potential picture.
  • This satellite will work on its observation in the orbit of Earth for a period of five years.
  • It was launched through the Epsilon-3 rocket.
  • This rocket was designed to carry a small satellite into space at a lower cost.


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