Defence Technology Part-1

Total Questions: 49

21. Which one of the following statements is incorrect ? [U.P.P.C.S. (Mains) 2004]

(a) INFACT-82 is Indian Naval’s Fast Attack Craft.
(b) A virus cannot reduce environmental pollution.
(c) Typha is a computer virus.
(d) Brahmos is a supersonic cruise missile.

Correct Answer: (c) Typha is a computer virus.

Solution:INFACT-82 refers to an Indian Naval Fast Attack Craft. These are small, fast, armed ships used by the Navy for coastal defense.

Biological or computer viruses do not reduce environmental pollution. In fact, viruses generally cause harm, not help in pollution control.

Typha is not a computer virus. Typha is a genus of aquatic plants, commonly known as cattails or bulrushes. These plants grow in wetlands.

BrahMos is a supersonic cruise missile jointly developed by India and Russia. It is capable of being launched from land, sea, air, and even submarines.

22. In the context of Indian defence which one of following statements is NOT correct ? [I.A.S. (Pre) 2003]

(a) With the induction of Prithvi-II, the IAF is the only Air Force in the world with surface to surface ballistic missiles under its command.
(b) Sukhoi-30 MKI jet fighters can launch Air-to-Air and Air-to-Surface precision missiles.
(c) Trishul is a supersonic Surface to Air missile with a range of 30 Km.
(d) The indigenously built INS Prabal can launch Surface to Surface missiles.

Correct Answer: (c) Trishul is a supersonic Surface to Air missile with a range of 30 Km.

Solution:Statement of option (c) is incorrect. Trishul is a short range surface-to-air missile developed by India as a part of IGMD programme. It has a range of 9 km. On 27 February, 2008 India had officially shut down this project. The rest of the statements are correct.

23. Consider the following statements : [I.A.S. (Pre) 2007]

In November, 2006, DRDO successfully conducted the interception test using a Prithvi-II missile.
Prithvi-II is a surface to surface missile and can be deployed to guard the metros against air attacks.
Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer: (a) 1 only

Solution:

The Prithvi-II is a single-stage liquid-fueled missile with a capacity to carry up to 500 kg of warheads and a range of 250 km.
In November 2006, the DRDO conducted a successful test which involved intercepting and destroying an ‘enemy’ Prithvi missile at an altitude of 50 km.
The Prithvi-II was used as an attacking missile, rather than for defence.
The Prithvi Air Defence (PAD) system can be used to protect the cities from air attacks.

24. C-130J Super Hercules is world’s most advanced air lifter being used by Indian Air Force. These air lifters (air-craft) are made by — [R.A.S/R.T.S. (Pre) 2013]

(a) Israel
(b) U.S.A.
(c) Russia
(d) France

Correct Answer: (b) U.S.A.

Solution:C-130J Super Hercules is world’s most advanced air lifter being used by Indian Air Force. IAF had signed a deal for about 1.1 billion Dollars with the US Military Systems giant Lockheed Martin on January, 2008. The Lockheed Martin Aeronautics is headquartered in Fort Worth, Texas (U.S.A.)

25. Which of the following aircraft is an air-to-air refueller of the Indian Air Force? [R.A.S./R.T.S. (Pre) 2016]

(a) Ilyushin IL-76
(b) C-130 J Super Hercules
(c) C-17 Globemaster III
(d) Ilyushin IL-78

Correct Answer: (d) Ilyushin IL-78

Solution:The Ilyushin IL-78 is a Soviet four-engined aerial refuelling tanker. The Indian Air Force refers to the aircraft as 'MARS' (Mid-Air Refuelling System) and has raised a new unit (No. 78 sqn).

26. Which one of the following is not an aircraft? [U.P.P.C.S. (Mains) 2009]

(a) Jaguar
(b) Dornier-228
(c) Sarath (BMP-II)
(d) MIG-27M

Correct Answer: (c) Sarath (BMP-II)

Solution:

Jaguar: This is a twin-engine, Anglo-French strike aircraft.
Dornier-228: This is a twin-turboprop STOL (Short Take-Off and Landing) utility aircraft.
MIG-27M: This is a Soviet-origin ground-attack aircraft.
BMP-II is an amphibious infantry fighting vehicle introduced in the 1980s in the Soviet Union. The Indian version of BMP-II is known as Sarath.

27. Match List-I with List-II and select the correct answer using the code given below the list: [U.P.P.C.S (Pre) 2010]

List-I	List-II
A. Arihant	1. American Cryogenic Rocket
B. Awacs	2. Anti-tank missile
C. Atlas Centaur	3. Israel developed Falcon for Air Force
D. Nag	4. Atomic submarine

Code:

	A	B	C	D
(a)	4	3	2	1
(b)	4	3	1	2
(c)	3	4	1	2
(d)	4	1	3	2

(a) 4 3 2 1
(b) 4 3 1 2
(c) 3 4 1 2
(d) 4 1 3 2

Correct Answer: (b) 4 3 1 2

Solution:INS Arihant is India’s nuclear-powered submarine. It was built under the Advanced Technology Vessel (ATV) Project. Awacs (Airborne Warning and Control system) is an airborne radar picket system designed and developed by Israel Aerospace Industries. Atlas Centaur is an American cryogenic rocket. It was the first rocket which used the cryogenic engine. Nag is a third generation anti-tank missile developed in India.

28. Which among the following is a nuclear-powered submarine of Indian Navy? [R.A.S/R.T.S. (Pre) 2016]

(a) INS Shalki
(b) INS Sindhuvir
(c) INS Shishumar
(d) INS Chakra

Correct Answer: (d) INS Chakra

Solution:INS Chakra is an 8,140 ton Akula class, nuclear-powered submarine. It was commissioned on 4th April, 2012.

29. Which of the following is a submarine of Indian Navy? [M.P. P.C.S. (Pre) 2016]

(a) INS Viraat
(b) INS Sindhurakshak
(c) INS Rajali
(d) INS Vikrant

Correct Answer: (b) INS Sindhurakshak

Solution:INS Sindhurakshak was a Russian-made diesel-electric submarine of the Indian Navy. The submarine suffered a major fire incident in 2010 and a major one on 14 August, 2013 which resulted in its sinking at Mumbai's naval dockyard.

30. India's first armed nuclear submarine is: [Jharkhand P.C.S. (Pre) 2016]

(a) I.N.S. Tihayu
(b) I.N.S. Virat
(c) I.N.S. Arihant
(d) I.N.S. Astradharini

Correct Answer: (c) I.N.S. Arihant

Solution:Admiral Sunil Lamba formally inducted India's first indigenously built nuclear submarine INS Arihant in Indian Navy in August, 2016. It is operated by a 83 MW pressurized light nuclear reactor. It weighs 6000 tons. India is the 6th country in the world to achieve nuclear trilateral capacity for atomic warfare after land and sky.

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