Chandrayaan 3 GK Questions and Answers in English
11. Where is the ISRO Telemetry, Tracking and Command Network (ISTRAC) located?
A) New Delhi
B) Mumbai
C) Chennai
D) Bengaluru
D) Bengaluru
Explanation: The ISRO Telemetry, Tracking, and Command Network (ISTRAC) is located in Bengaluru, Karnataka. It plays a crucial role in tracking and controlling ISRO’s satellites and missions.
12. What was the purpose of the maneuver performed on 25th July 2023?
A) Lunar-Orbit insertion
B) Orbit circulization
C) Translunar Injection
D) Orbit-raising
D) Orbit-raising
Explanation: The maneuver performed on 25th July 2023 was an orbit-raising maneuver. This step was necessary to increase the altitude of the spacecraft’s orbit around the Earth before it headed towards the Moon.
13. Who is the director of the Chandrayaan-3 mission?
A) Veeramuthuvel
B) M Vanitha
C) K. Sivan
D) Ritu Karidhal
A) Veeramuthuvel
Explanation: The director of the Chandrayaan-3 mission is P. Veeramuthuvel. He played a key role in the planning and execution of this lunar mission.
14, What is the total weight of Chandrayaan-3?
A) 4,100 kg
B) 3,900 kg
C) 2,190 kg
D) 5,200 kg
B) 3,900 kg
Explanation: The total weight of the Chandrayaan-3 spacecraft is approximately 3,900 kilograms. This includes the propulsion module, the Vikram lander, and the Pragyan rover.
15. What is the total cost of mission Chandrayaan-3?
A) 615 crore
B) 540 crore
C) 800 crore
D) 1200 crore
A) 615 crore
Explanation: The total cost of the Chandrayaan-3 mission is approximately ₹615 crore (around $75 million USD). This budget covers the development of the propulsion module, lander, rover, and other mission-related expenses. The relatively low cost of the mission has been highlighted as a significant achievement, showcasing ISRO’s cost-effective approach to space exploration.
16. What is that one thing in Chandrayaan-3 and not in Chandrayaan-2?
A) Laser Doppler Velocimeter (LDV)
B) Laser-based Interferometry
C) Ultrasonic Doppler methods
D) Molecular Tagging Velocimetry
A) Laser Doppler Velocimeter (LDV)
Explanation: The Laser Doppler Velocimeter (LDV) is a new addition to Chandrayaan-3 that was not present in Chandrayaan-2. It is used to measure the velocity of the lander accurately during the descent phase.
17. Which country is the fourth country to successfully land a spacecraft on the moon?
A) China
B) India
C) Russia
D) USA
B) India
Explanation: India became the fourth country to successfully land a spacecraft on the Moon with the Chandrayaan-3 mission. The other countries that have achieved this are the USA, the Soviet Union (now Russia), and China.
18. Which organization is responsible for Chandrayaan?
A) ISRO
B) NASA
C) ESA
D) SpaceX
A) ISRO
Explanation: ISRO (Indian Space Research Organisation) is the space agency responsible for India’s Chandrayaan missions.
19. Chandrayaan 3 was launched by
A) PSLV
B) SHAR
C) LVM3 M4
D) GSLV
C) LVM3 M4
Explanation: Chandrayaan-3 was launched using the LVM3 M4 (Launch Vehicle Mark-3), which is a heavy-lift launch vehicle developed by ISRO.
20. When did Chandrayaan 3 soft-land on the moon?
A) July 23, 2023
B) August 23, 2023
C) September 23, 2023
D) August 22, 2023
B) August 23, 2023
Explanation: Chandrayaan-3 successfully soft-landed on the Moon on 23 August 2023, making India the fourth country to achieve this feat.