Q1. Cryogenic rocket engines find applications in (1995)
(a) sub-marine propulsion
(b) frost-free refrigerators
(c) rocket technology
(d) researches in superconductivity
Ans. (c)
Exp. Cryogenic engines find applications in rocket technology. A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer. Its fuel or oxidizer are liquefied gases and stored at very low temperature.
The major components of a cryogenic rocket engine are the combustion chamber, pyrotechnic initiator, fuel injector, fuel and oxidizer turbopumps, cryo valves, regulators, the fuel tanks, and rocket engine nozzles.
Q2. In the field of space technology, India has demonstrated during 1994, her capability to (1995)
(a) design advance intercontinental ballistic missile warning systems
(b) build satellites
(c) build stealth missiles
(d) launch geo-stationary satellites
Ans. (d)
Exp. In the field of space technology, India has demonstrated during 1994, her capability to launch geo stationary satellites. During this period two satellites -SROS-2 (4th May, 1994) and IRS-P2 (15th October, 1994), were launched by India.
Geostationary satellites are Earth’s satellites that are placed into orbit at a distance of around 35,800 km from the Earth’s surface.
Q3. Which one of the following satellites is to be launched from India in 1996? (1996)
(a) IRS-P2
(b) IRS-P3
(c) IRS-EN
(d) IRS-ID
Ans. (b)
Exp. IRS-P3 was launched on 21st March, 1996, from Satish Dhawan Space Centre, Sriharikota. IRS-P3 was the sixth satellite in Indian Remote Sensing satellite series. It was launched under the National Natural Resources Management System programme (NNRMS) undertaken by Indian Space Research Organisation (ISRO).
Q4. The damage to Spektr Module of the Russian Space Station Mir was due to (1998)
(a) collision with a Soyuz cargo ship
(b) faulty material design of Spektr Module
(c) explosion inside the space station
(d) collision with an asteroid
Ans. (a)
of the Russian Space Station Mir was damaged. On Spektr while doing the Kvant-1 module. M-34 an experimental docking maneuver
Spektr was the fifth module of the Mir Space Station Spoedule was designed for remote observation of Eart environment containing atmospheric and surface resear equipment.
Q5. The satellites of which one of the following countin have helped in the preparation of a detailed a complete map of Antarctica?
(a) Canada
(b) France
(c) Russia
(d) USA
Ans. (a)
Exp. The satellite launched by Canada has helped in th preparation of a detailed and complete map of Antartin The details were acquired by the Canadian Satell RADARSAT-1 between September and October 1997 part of the Antarctic Mapping Mission (AMM) collaboration between the U.S.
Antarctica is the world’s southernmost and fifth larges continent. Its landmass is almost wholly covered by a var ice sheet.
Q6. Low temperatures (Cryogenics) find application in (1998)
(a) space travel, surgery and magnetic levitation (b) surgery, magnetic levitation and telemetry
(c) space travel, surgery and telemetry
(d) space travel, magnetic levitation and telemetry
Ans. (a)
Exp. Low temperatures (Cryogenics) find application in span travel, surgery and magnetic levitation. Cryogenics ist study of the production and behaviour of materials at ve low temperatures.
Cryogenic processes are used in space travel, surgery a transportation like magnetic levitation.
Application of cryogenics are in MRI. MRI is a method d imaging objects that uses a strong magnetic field to detad the relaxation of protons that have been perturbed by radio-frequency pulse. This magnetic beld Begenerated electromagnets and high field strengths can be achieved using superconducting magnets.
Q7. With reference to Indian satellites launchers, conside the following statements. (2002)
- All the INSAT series of satellites and their launched abroad.
- PSLVs were used to launch IRS-series of satelite.
- India used the indigenously built cryogenic engines for the first time for powering third stage of GSLV
- GSAT, launched in the year 2001, has payload to demonstrate digital broadcast and internet service.
Which of the statements given above are correct?
(a) 1,2,3 and 4
(b) 2, 3 and 4
(c) 1,2 and 4
(d) 1 and 3
Ans. (a)
All the statement given above (1), (2), (3), and (4) are correct Indian satellites launchers (4) are INSAT (The Indian National Satellite System) series of satellites are launched from French Guiana. INSAT is a sense of multipurpose geostationary satellites launched by ISRO to Satis ethic telecommunications, broadcasting meteorology and search and rescue operations.
The Polar Satellite Launch Vehicle (PSLV) is an expendable medium-lift launch vehicle designed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into Sun-synchronous orbits. Geosynchronous Satellite Launch Vehicle (GSLV) is an expendable launch system operated by the Indian Space Research Organisation (ISRO). GSLV 3rd stage is powered by cryogenics. GSAT, launched in the 2001, has payload to demonstrate digital broadcast and internet service. The GSAT (Geostationary Satellite) satellites are India’s indigenously developed communications satellites, used for digital audio, data and video broadcasting.
Q8. Consider the following statements. (2004)
- India launched its first full-fledged Meteorological Satellite (METSAT) in September 2002.
- For the first time, the space vehicle PSLV C-4 carried a payload of more than 1000 kg into a geosynchronous orbit.
Which of the statement(s) given above is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Ans. (c)
Exp. Both the statements (1) and (2) are correct. METSAT was an ISRO meteorological, geostationary satellite designed to simultaneously obtain atmospheric cloud cover, water vapour and temperature date. METSAT was launched in September, 2002. For the first time, PSLV C-4 carried a payload of more than 1000 kg into a geosynchronous orbit. For more than 1000 kg payload, India has also developed GSLV.
Q9. Consider the following statements in respect of India advanced satellite INSAT- 4A. (2006)
- INSAT-4A was launched in December, 2005 from New Mexico.
- The European Commercial Launch Service Provider Arianespace was associated with the launch of INSAT-4A. 3
- Tata-Sky; a digital cable service provider; is associated with DTH television broadcasting service from INSAT-4A.
Which of the statements given above is/are correct?
(a) 1, 2 and 3
(b) 2 and 3
(c) 1 and 2
(d) 1 and 3
Ans. (b)
Exp. Both the statements (2) and (3) are correct.
To The European Commercial Launch Service Provider Arianespace was associated with the launch of INSAT-4A. INSAT-4A was the first one in the INSAT-4 satellites series, providing services in the Ku and C band frequency bands.
INSAT-4A was a communication satellite intended for providing high quality television, telecommunication, broadcasting services and was the first satellite to be launched in the INSAT-4 series. Tata-Sky; a digital cable service provider; is associated with DTH television broadcasting service from INSAT-4A.
INSAT-4A was launched at French Guiana, in December, 2005 by the European Ariane Launch Vehicle, INSAT-4A is positioned at 83°E longitude along with GSAT-12. It carries high power Ku-band transponders with footprint covering Indian mainland and C-band transponders covering Indian geographical boundary and area beyond India in South-East and North-West regions.
Statement (1) is incorrect as INSAT-4A was launched by an Ariane 5, produced by Arianespace, on 22nd December, 2005 from Kourou, French Guiana.
Q10. NASA’s Deep Impact Space Mission was employed to take detailed pictures of which comet nucleus? (2007)
(a) Halley’s Comet
(b) Hale-Bopp
(c) Hyakutake
(d) Tempel-1
Ans. (d)
Exp . NASA’s Deep Impact Space Mission was employed to take detailed pictures of Tempel-1 comet nucleus. It is a periodic Jupiter-family comet that was discovered in 1867 by Wilhelm Tempel. As per the research, it completes an orbit of the Sun every 5.5 years of time.
NASA’s the Deep Impact Space Mission was selected as a Discovery Mission in 1999.
The spacecraft was launched aboard a Delta II rocket on 12th January, 2005, and left Earth’s orbit towards comet Tempel-1.
The spacecraft consists of two main sections, the 370 kg copper-core ‘smart impactor’ which impacted the comet and the ‘flyby’ section, which imaged the comet from a safe distance during the encounter.
Q11. What is the Galileo Project? (2007)
(a) An inter-country programme of missile shield developed by the United States of America
(b) A project developed by India with assistance from Canada (c) An environmental protection project being developed by Japan
(d) A multi-satellite navigation project being developed by the European Union
Ans. (d)
Exp. Galileo project is a multi satellite navigation project being developed by the European union. Galileo is the Global Navigation Satellite System (GNSS). It is a project of the European Commission and European space agency (ESA). The first Galileo test satellite, the GIOVE-A, was launched 28th December, 2005.
The system is intended primarily for civilian use, unlike the Po more military-oriented systems of the United States (GPS), Russia (GLONASS), and China (BeiDou).
In case you still have your doubts, contact us on 9811333901.
For UPSC Prelims Resources, Click here
For Daily Updates and Study Material:
Join our Telegram Channel – Edukemy for IAS
- 1. Learn through Videos – here
- 2. Be Exam Ready by Practicing Daily MCQs – here
- 3. Daily Newsletter – Get all your Current Affairs Covered – here
- 4. Mains Answer Writing Practice – here
