Civil Services Prep

Prelims 2018 · Science and Technology · Question 61

With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements:<br/>1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.<br/>2. IRNSS covers entire India and about 5500 sq. km beyond its borders.<br/>3. India will have its own satellite navigation system with full global coverage by the middle of 2019.<br/><br/>Which of the statements given above is/are correct?

  1. 1 only
  2. 1 and 2 only
  3. 2 and 3 only
  4. None

Answer

1 only

1. Correct. IRNSS/NavIC constellation was designed with 7 satellites: 3 in geostationary orbit (GEO) and 4 in geosynchronous orbit (GSO).

2. Incorrect. IRNSS covers India and about 1500 km beyond its borders, not 5500 sq. km beyond them.

3. Incorrect. IRNSS/NavIC is a regional navigation system, not one with full global coverage by mid-2019.

Hence, only statement 1 is correct.

  1. Which of the following statements with regard to genetic medicine is/are correct ? 1. Genetic medicines…
  2. Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are…
  3. Which of the following statements with regard to stealth technology is/are correct ? 1. Stealth objects have a…
  4. Which of the following statements with regard to Black Boxes used in modern aircrafts is/are correct ? 1. They…
  5. Consider the following statements with regard to involvement of private entities in India's space programme :…
  6. Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of…