science & tech MCQ section 6 Practice Questions Answers Test with Solutions & More Shortcuts
science & tech PRACTICE TEST [7 - EXERCISES]
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science & tech MCQ section 6
science & tech MCQ section 7
Question : 46 [SSC CGL 1999]
Which is the long-range missile that was tested by Pakistan in the wake of India testing Agni II?
a) Shaheen I
b) Hatf II
c) Hatf I
d) Ghauri II
Answer »Answer: (d)
Agni-II is a medium-range ballistic missile (MRBM) with two solid-fuel stages and a Post Boost Vehicle (PBV) integrated into the missile’s Re-entry Vehicle (RV). When the Agni-II was first launched, then Defence Minister George Fernandes indicated that the maximum range of the Agni-II was 3,000 km.
Since then, ranges from 2,000 km to 2,500 km have been stated, while Dr Kalam, at Aero India ’98, stated that Agni-II had a maximum range of 3,700 km. The Agni’s manoeuvring RV is made of a carbon-carbon composite material that is light and able to sustain high thermal stresses of re-entry, in a variety of trajectories.
The Ghauri-II is a medium-range ballistic missile (MRBM). A longer ranged variant of the GhauriI, it was developed by increasing the length of the motor assembly and using improved propellants. The Ghauri-II missile has a maximum range of 2,000 km.
Question : 47
Consider the following statements:
- United States-India Peaceful Atomic Energy Cooperation Act, 2006 was named in honour of the Chairman of the House Committee on International Relations.
- About 25% of the world’s total thorium reserves are in India.
a) 1 only
b) 1 and 2 both
c) 2 only
d) None
Answer »Answer: (b)
The United States-India Peaceful Atomic Energy cooperation Act, 2006 was named after the chairman of the House committee on international relations Henry J. Hyde.
The agreement is also known as the 123 agreement. Under the agreement, India agreed to separate its civil and military nuclear facilities and place all its civil nuclear facilities under IAEA (International Atomic Energy Agency) safeguards.
Question : 48
GSLV and PSLV are famous acronyms associated with ISRO. Consider following:
- GSLV is four staged vehicle
- PSLV is three staged vehicle
a) 2 only
b) 1 and 2 both
c) 1 only
d) None
Answer »Answer: (d)
GSLV is three staged vehicle equipped with solid propellant at first stage, liquid at second and cryogenic engine at third and PSLV is 4 marked by alternate solid and liquid busters.
Question : 49 [SSC CGL (pre) 2008]
The Messenger Satellite launched by NASA is to study
a) Venus
b) Jupiter
c) Saturn
d) Mercury
Answer »Answer: (d)
MESSENGER (an acronym of MErcury Surface, Space ENvironment, GEochemistry and Ranging) is a robotic NASA spacecraft orbiting the planet Mercury, the first spacecraft ever to do so.
The 485-kilogram spacecraft was launched aboard a Delta II rocket in August 2004 to study Mercury’s chemical composition, geology, and magnetic field. It became the second mission after 1975’s Mariner 10 to reach Mercury successfully when it made a flyby in January 2008, followed by a second flyby in October 2008, and a third flyby in September 2009.
Question : 50
Consider the following statements.
- Indian Army test fired the Brahmos supersonic land attack cruise missile at Pokhran in Jaisalmer.
- The name “Brahmos” has been derived from the names of two rivers namely the Brahmaputra of India and the Moskva of Germany.
- It has range of 300-km and a top supersonic speed of Mach 2.8.
a) 1 and 3
b) 2 and 3
c) 1 and 2
d) None of these
Answer »Answer: (a)
The name “Brahmos” has been derived from the names of two rivers namely the Brahmaputra of India and the Moskva of Russia.
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