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Types of Launch Vehicles Video Lecture | Science & Technology for UPSC CSE
FAQs on Types of Launch Vehicles Video Lecture - Science & Technology for UPSC CSE
| 1. What are launch vehicles, and why are they important for space missions? |  |
Ans. Launch vehicles, also known as rockets, are transportation systems designed to carry payloads from the Earth's surface into space. They are crucial for space missions as they enable the deployment of satellites, interplanetary probes, and crewed spacecraft. The effectiveness and reliability of launch vehicles directly impact the success of missions, making them a fundamental component of space exploration.
| 2. What are the different types of launch vehicles based on their propulsion systems? | |
Ans. Launch vehicles can be categorized based on their propulsion systems into three primary types: solid rocket boosters, liquid rocket engines, and hybrid systems. Solid rocket boosters use a solid propellant, liquid rocket engines use a combination of liquid fuels and oxidizers, while hybrid systems utilize both solid and liquid components. Each type has distinct advantages and disadvantages, influencing their use in various missions.
| 3. How do expendable launch vehicles differ from reusable launch vehicles? | |
Ans. Expendable launch vehicles (ELVs) are designed for one-time use, where the rocket is discarded after delivering its payload. In contrast, reusable launch vehicles (RLVs) can be recovered and refurbished for multiple flights, significantly reducing the cost of access to space. This innovation in RLVs has the potential to revolutionize space travel by making it more economically viable.
| 4. What role do private companies play in the development of launch vehicles? | |
Ans. Private companies have increasingly become key players in the development of launch vehicles, providing innovative technologies and competitive pricing. Companies like SpaceX, Blue Origin, and Rocket Lab are pushing the boundaries of space exploration and commercial satellite deployment. Their involvement has led to a new era of collaboration between governmental space agencies and the private sector.
| 5. How does India’s launch vehicle program contribute to its space exploration goals? | |
Ans. India’s launch vehicle program, primarily led by the Indian Space Research Organisation (ISRO), is pivotal for its space exploration objectives. With vehicles like the PSLV (Polar Satellite Launch Vehicle) and GSLV (Geosynchronous Satellite Launch Vehicle), India has successfully launched numerous satellites, contributing to global satellite navigation, communication, and Earth observation. The program enhances India's capabilities in space technology and strengthens its position in the international space community.
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