Defence Technology (Physics) Part-II

Total Questions: 47

21. Modern technology like BrahMos Supersonic missile by India is jointly developed by? [U.P.U.D.A./L.D.A. (Pre) 2013]

Correct Answer: (b) Russia
Solution:

A supersonic cruise missile 'BrahMos' is a joint venture between the Russian Federation's NPO Mashinostroyenia and DRDO. The name BrahMos is formed from the names of two rivers, the Brahmaputra of India and the Moskva of Russia.

It has a speed of 2.8 to 3.0 Mach, with a original range of 290 Km. The submarine variant of BrahMos was test-fired successfully for the first time from a submerged pontoon near Vishakhapatnam at the coast of Bay of Bengal on 20 March, 2013.

22. Supersonic Cruise Missile BrahMos is joint venture of which of the following? [U.P.P.C.S. (Pre) 2018]

Correct Answer: (a) India and Russia
Solution:

A supersonic cruise missile 'BrahMos' is a joint venture between the Russian Federation's NPO Mashinostroyenia and DRDO. The name BrahMos is formed from the names of two rivers, the Brahmaputra of India and the Moskva of Russia.

It has a speed of 2.8 to 3.0 Mach, with a original range of 290 Km. The submarine variant of BrahMos was test-fired successfully for the first time from a submerged pontoon near Vishakhapatnam at the coast of Bay of Bengal on 20 March, 2013.

23. BrahMos is- [Uttarakhand U.D.A./L.D.A. (Pre) 2003]

Correct Answer: (c) A missile
Solution:

A supersonic cruise missile 'BrahMos' is a joint venture between the Russian Federation's NPO Mashinostroyenia and DRDO. The name BrahMos is formed from the names of two rivers, the Brahmaputra of India and the Moskva of Russia.

It has a speed of 2.8 to 3.0 Mach, with a original range of 290 Km. The submarine variant of BrahMos was test-fired successfully for the first time from a submerged pontoon near Vishakhapatnam at the coast of Bay of Bengal on 20 March, 2013.

24. On 18ᵗʰ October 2020, India successfully test fired which of the following missiles? [U.P.R.O./A.R.O. (Mains) 2016]

Correct Answer: (b) BrahMos Supersonic Cruise missile, Naval version
Solution:

The Naval version of BrahMos, the supersonic cruise missile was successfully test-fired on 18th October 2020 from Indian Navy's indigenously-built stealth destroyer INS Chennai, hitting a target in the Arabian Sea. The missile successfully hit the target with pin-point accuracy after performing high-level and extremely complex manoeuvres.

BrahMos as 'prime strike weapon' will ensure the warships' invincibility by engaging naval surface targets at long ranges, thus making the destroyer another lethal platform of Indian Navy.

25. Which one of the following statements about BrahMos Is not correct? [U.P.P.C.S. (Mains) 2009, U.P.P.C.S. (Spl.) (Mains) 2008]

Correct Answer: (e) (c) & (d)
Solution:

BrahMos is a supersonic cruise missile which has been built in India in collaboration with Russia. On 21 March, 2010 BrahMos missile was successfully test fired from a moving warship INS Ranvir off the Odisha coast (in Bay of Bangal) Its original flight range is 290 km.

In 2019, India upgraded the missile with a new range of 500 km. Thus, option (c) and (d) both are not correct.

26. In March, 2009 the 'BrahMos Missile' was tested at- [U.P.P.C.S. (Mains) 2007]

Correct Answer: (a) Pokharan
Solution:

BrahMos supersonic missile with a range of 290 km was first tested in January, 2009 from Pokhran test range, Rajasthan. On 29 March, 2009 land attack version of the BrahMos Block-II was tested from a Mobile Autonomous Launcher (MAL) at Pokhran test range.

Another highly maneuverable version of BrahMos supersonic cruise missile was test-fired on 9 January, 2013 from the coast of Visakhapatnam in Bay of Bengal.

27. The name of unmanned aircraft developed by Defence Research Organization (DRDO) is- [Jharkhand P.C.S. (Pre) 2003]

Correct Answer: (c) Lakshya
Solution:

Lakshya is the first unmanned aircraft developed by India. It was developed by Aeronautical Development Establishment (ADE) of DRDO.

28. Which one of the following statements is true about Technology device called 'NETRA'? [U.P.P.C.S. (Mains) 2009]

Correct Answer: (c) It is an unmanned aerial vehicle which can travel up to 300 metres high.
Solution:

DRDO has developed an Unmanned Aerial Vehicle (UAV) especially for Anti-terrorist and counter-insurgency operations. The 1.5 kg UAV 'Netra', is a collaborative development project between Idea Forge and DRDO'S Pune-based labs (R & D). It is able to fly up to a height of 200-300 metres.

29. On 20ᵗʰ February, 2018 who became the first-ever Indian female to fly solo 'MIG-21 Bison'? [U.P.P.C.S. (Mains) 2017]

Correct Answer: (a) Avani Chaturvedi
Solution:

Flying officer Avani Chaturvedi created history by becoming first Indian woman pilot of Indian Airforce (IAF) to com-plete a solo flight in MIG-21 Bison fighter aircraft on 20th February, 2018.

30. Which of the following statements is not true with regard to the F-18 Super Hornet? [U.P.P.C.S (Pre) 2002]

Correct Answer: (c) Worldwide eight countries are using it in Air Force.
Solution:

F-18 Super Hornet is an American fighter plane, which is built by Boeing (a U.S. aerospace company). Indian company HAL has provided some tools for it. It can be used during both day and night.

Presently U.S. Navy, Royal Australian Air Force and Kuwait Air Force are using this fighter plane. Thus, statement of option (c) is not correct.