Railway Science (Science and Technology – Satellites)

Total Questions: 59

11. Where was the first experimental satellite telecommunication earth station set up in 1967 in India? [RRB NTPC CBT - I (05/01/2021) Morning]

Correct Answer: (d) Ahmedabad
Solution:

Indian space research organisation (ISRO): Headquarter - Bangalore. Established - 15 August 1969. Important space centres - Vikram Sarabhai Space Centre (Thiruvananthapuram), ISRO Propulsion Complex (Mahendragiri, Tamil Nadu), National Remote Sensing Centre (Hyderabad), Satish Dhawan Space Centre (SDSC) - Sriharikota (Andhra Pradesh).

12. Name the first student satellite built by an Indian high school students team and launched by NASA. [RRB NTPC CBT - I (08/01/2021) Evening]

Correct Answer: (c) Kalamsat
Solution:

Kalamsat - Named after the former Indian President and rocket scientist Dr. APJ Abdul Kalam. It was launched into space as part of a sub-orbital test flight mission by NASA.

13. The nanosatellite designed and developed by the Indian Institute of Technology, Kanpur for the purpose to provide data for agriculture and disaster monitoring was named as: [RRB NTPC CBT - I (11/01/2021) Morning]

Correct Answer: (b) Jugnu
Solution:

Nanosatellites are loosely defined as any satellite weighing less than 10 kilograms. Kalamsat is a payload developed by students and Chennai based Space Kidz India. It is the world’s smallest and lightest communication satellite. ANUSAT (Anna University Satellite) demonstrates the technologies related to message store and forward operations.

14. Which of the following satellites is India’s first dedicated multi wavelength space observatory? [RRB NTPC CBT - I (13/01/2021) Evening]

Correct Answer: (b) Astrosat
Solution:

Astrosat: Objectives: Study star birth regions and high energy processes in star systems lying beyond our galaxy. Indian National Satellite (INSAT) system is a series of multi-purpose satellites launched by the Indian Space Research Organisation (ISRO) for television, telecommunications, and meteorology. Indian Remote Sensing satellite is basically used to study the national economy in areas of agriculture, water resources, forestry, ecology, geology etc.

15. Among the following, which satellite facility is equipped with the state-of-the-art data acquisition systems that receive data from various satellites? [RRB NTPC CBT - I (17/01/2021) Evening]

Correct Answer: (d) IMGEOS
Solution:

IMGEOS (Integrated Multi Mission Ground Segment for Earth Observation Satellites). ISRO has established the Antarctica Ground Station for Earth Observation Satellites (AGEOS), at Bharati Station, Larsemann Hills, Antarctica, for receiving Indian Remote sensing Satellites (IRS) data. SCATSAT-1 (Scatterometer Satellite-1) is a satellite providing weather forecasting, cyclone prediction, and tracking services to India.

16. Which one of the following is not a launch vehicle technology? [RRB NTPC CBT - I (19/01/2021) Morning]

Correct Answer: (d) MSLV
Solution:

Augmented Satellite Launch Vehicle or Advanced Satellite Launch Vehicle (ASLV) - A Small-lift launch vehicle. Polar Satellite Launch Vehicle (PSLV) - First Indian launch vehicle equipped with liquid stages.
Geosynchronous Satellite Launch Vehicle (GSLV) - Much more powerful rocket, meant to carry heavier satellites much deeper into space.

17. What was the name of the first Indian satellite launched into orbit? [RRB NTPC CBT - I (20/01/2021) Morning]

Correct Answer: (c) Aryabhata
Solution:

Launched by Soviet Kosmos - 3M rocket from Kapustin Yar (Russia). Bhaskara - Bhaskara-I and II were two satellites built by the Indian Space Research Organisation (ISRO) that formed India's first low-Earth orbit Earth observation satellite.
Rohini - India's first satellite launched from an Indian-made launch vehicle (SLV-3). Kalpana-1 (12 September 2002) - First dedicated meteorological satellite launched by the ISRO using the Polar Satellite Launch Vehicle (PSLV-C4).

18. Which of the following satellites launched by the Indian Space Research Organisation (ISRO) is a navigation satellite? [RRB NTPC CBT - I (21/01/2021) Morning]

Correct Answer: (a) IRNSS-1I
Solution:

It is the eighth navigation satellite to join the IRNSS space segment. It has a lift-off mass of 1425 kg. SCATSAT-1 (Scatterometer Satellite-1) is a satellite providing weather forecasting, cyclone prediction, and tracking services to India. RESOURCESAT-2A is a Remote Sensing satellite intended for resource monitoring.

19. Which of the following is NOT a navigation satellite system? [RRB NTPC CBT - I (28/01/2021) Evening]

Correct Answer: (c) MEO
Solution:

MEO (Medium Earth Orbit): An Earth-centred orbit with an altitude above a low Earth orbit (LEO) and below a high Earth orbit (HEO) between 2,000 km and 35,786 km above sea level.
NavIC (Navigation in Indian Constellation): First satellite (IRNSS-1A) - Launched - 2013. Eighth satellite IRNSS-1I - Launched - 2018.
The BeiDou Navigation Satellite System - Operated by China. The Global Positioning System (GPS) - Operated by the United States.

20. Name the centre in India which is used for launching satellites. [RRB NTPC CBT - I (28/01/2021) Evening]

Correct Answer: (c) Wheeler Island
Solution:

Abdul Kalam Island. Rocket Launching Stations in India: Vikram Sarabhai Space Centre (VSSC) - Formed - 1963, Headquarters - Thiruvananthapuram (Kerala). Satish Dhawan Space Centre - Founded - 1971, Located in Sriharikota (Andhra Pradesh). ISRO Telemetry, Tracking and Command Network (ISTRAC) - Bengaluru. North Eastern- Space Applications Center (NE-SAC) - Founded - 2000, At Shillong.