Science And Technology (Railway)

Total Questions: 60

21. What is the name of the first dedicated Indian astronomy mission that is aimed at studying celestial sources in X-ray, optical and UV spectral bands simultaneously? [ RRB NTPC CBT-1 Exam, 04.02.2021 (Shift-I)]

(1) OpticoSat
(2) AstroSat
(3) XtroSat
(4) AstroMat

Correct Answer: (2) AstroSat

Solution:AstroSat is the first dedicated Indian astronomy mission aimed at studying celestial sources in X-ray, optical and UV spectral bands simultaneously.

• It was launched on a PSLV-XL on 28 September 2015.

22. What is the name of the worlds's smallest spacecraft launched by India? [RRB NTPC CBT-1 Exam, 04.02.2021 (Shift-I)]

(1) Sparkle
(2) Spring
(3) Sprites
(4) Star

Correct Answer: (3) Sprites

Solution:ISRO (Formed in 1969) had launched the world's smallest spacecraft named 'Sprites' in low Earth orbit on 23 June 2017.

• It is a tiny interstellar spacecraft.

• It measure just 3.5-by-3.5 centimetres, and weigh only 4 grams.

23. The first spacecraft to land on the Moon was the: [RRB NTPC CBT-1 Exam, 03.03.2021 (Shift-I)]

(1) Apollo 14
(2) Loona 18
(3) Apollo 11
(4) Luna 16

Correct Answer: (3) Apollo 11

Solution:The first moon landing occurred on July 20, 1969, on the Apollo 11 mission.

• The crew of Apollo 11 was Neil Armstrong, Michael Collins and Buzz Aldrin. Armstong and Aldrin walked on the lunar surface while Collins remained in orbit around the moon.

24. Who is knows as the 'Missile Man of India'? [RRB NTPC CBT-1 Exam, 03.03.2021 (Shift-I)]

(1) K Sivan
(2) Dr. APJ Abdul Kalam
(3) Bhisham Sahni
(4) CV Raman

Correct Answer: (2) Dr. APJ Abdul Kalam

Solution:Dr. Kalam who is also known as the "Missile Man of India" due to his highly researched, successful work with ballistic missiles and launch vehicle technology.

• He was the brain and backbone of the development of Prithvi and Agni missiles of India.

• He also designed indigenous weapons by bringing together various institutions which led to the formation of BrahMos Aerospace between Russia and India.

25. RLV-TD of ISRO, an unmanned test bed, stands for: [RRB NTPC CBT-1 Exam, 05.03.2021 (Shift-II)]

(1) Reusable Satellite Long Vehicle-Technology Demonstrator
(2) Refillable Satellite Long Vehicle-Technology Demonstrator
(3) Relaunchable Satellite Long Vehicle Technology Demonstrator
(4) Reusable Satellite launch Vehicle Technology Demonstrator

Correct Answer: (4) Reusable Satellite launch Vehicle Technology Demonstrator

Solution:India launched its first-ever indigenous space shuttle Reusable Launch Vehicle -Technology Demonstrator (RLVTD) successfully in 2016.

• Indian Space Research Organisation (ISRO) handles the RLVTD programme.

26. The full form of NASA is: [RRB NTPC CBT-1 Exam, 09.03.2021 (Shift-I)]

(1) National Aeronautics and Space Administration
(2) National Agronomy and Space Administration
(3) National Agriculture and Soil Administration
(4) National Aeronautics and Space Association

Correct Answer: (1) National Aeronautics and Space Administration

Solution:The National Aeronautics and Space Administration (NASA) is space agency of the U.S.A.

• It was established in 1958, succeeding the National Advisory Committee for Aeronautics.

27. Which Indian communication satellite failed to reach orbit after the rocket's third stage malfunctioned? [RRB NTPC CBT-1 Exam, 09.03.2021 (Shift-I)]

(1) IRS-P4
(2) INSTA-4D
(3) INSAT-3B
(4) GSAT-4

Correct Answer: (4) GSAT-4

Solution:GSAT-4 was an experimental technology demonstrator for satellite communication in Ka band.

• Launched on April 15, 2010, it failed to reach orbit after the rocket's third stage malfunctioned.

28. In 2008, Indian Space Research Organization (ISRO) began its collaboration with to develop the GPS-Aided Geo Augmented Navigation (GAGAN) system to help aircrafts accurately land over the Indian airspace. [RRB NTPC CBT-1 Exam, 13.03.2021 (Shift-I)]

(1) Pawan Hans Helicopters Limited
(2) Cochin Shipyard Limited
(3) Airport Authority of India
(4) Hindustan Aeronautics Limited

Correct Answer: (3) Airport Authority of India

Solution:The Airports Authority of India (AAI) and Indian Space Research Organization (ISRO) have collaborated to develop the GPS Aided Geo Augmented Navigation (GAGAN) as a regional Satellite Based Augmentation System (SBAS).

• GAGAN is a step by the Indian Government towards initial Satellite-based Navigation Services in India.

29. Who was the second person to land on the moon? [RRB NTPC CBT-1 Exam, 14.03.2021 (Shift-II)]

(1) Alan Shepard
(2) Charles Conrad
(3) Buzz Aldrin
(4) Alan L Bean

Correct Answer: (3) Buzz Aldrin

Solution:Buzz Aldrin

• Buzz Aldrin was the second man after Neil Armstrong to land on the Moon on 21 July 1969.

• He was the Lunar Module Eagle pilot on the 1969 Apollo 11 mission that successfully put man on the moon.

30. Which of the following Nuclear Power Plant is situated in the state of UttarPradesh? [RRB NTPC CBT-1 Exam, 14.03.2021 (Shift-II)]

(1) Narora
(2) Thumba
(3) Tarapur
(4) Rawatbhata

Correct Answer: (1) Narora

Solution:Narora Atomic Power Station (NAPS) is a nuclear power plant located in Narora, Bulandshahar District in UttarPradesh.

• The plant houses two reactors, each a pressurized heavy-water reactor (PHWR) capable of producing 220 MW of electricity.

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