Prelims Test Evening Batch 04 Nov 2026

1 / 10

Q1. Consider the following statements regarding cruise missiles:

1.They are self-guided aerodynamic weapons that fly at a sustained speed through the atmosphere.

2.Unlike ballistic missiles, cruise missiles follow a parabolic trajectory driven primarily by gravity after initial launch.

3.They can be launched from multiple platforms including land, air, and sea.

Which of the statements given above is/are correct?

1 only

1 and 3 only

2 and 3 only

1, 2 and 3

2 / 10

Q2. With reference to India’s missile technology, consider the statements about BrahMos:

1.It is a supersonic cruise missile jointly developed by India and Russia.

2.It operates on the ‘fire-and-forget’ principle and can be integrated only with land-based mobile launchers.

3.Its propulsion system utilizes ramjet technology, allowing it to maintain supersonic speeds throughout its flight.

Which of the statements given above is/are correct?

1 only

1 and 3 only

2 and 3 only

1, 2 and 3

3 / 10

Q3. Sub-sonic cruise missiles like the Nirbhay differ from supersonic and hypersonic cruise missiles primarily in which of the following aspects?

They cannot maneuver during flight, unlike ballistic missiles.

They fly below the speed of sound, utilizing turbofan engines for high fuel efficiency and long-range terrain-hugging capability.

They rely exclusively on exo-atmospheric flight paths.

They do not possess onboard guidance systems.

4 / 10

Q4. In the context of modern military technology, what is the key tactical advantage of a “land-attack cruise missile” (LACM) over traditional artillery and short-range ballistic missiles?

Absolute immunity to all known air-defense radar networks.

High precision, low-altitude flight capability to evade radar detection, and the ability to strike targets deep inside enemy territory.

Zero dependency on satellite navigation systems like GPS or NavIC.

Supersonic speeds during the terminal phase combined with nuclear warheads exclusively.

5 / 10

Q5. Consider the following statements regarding the strategic role of an Aircraft Carrier in modern naval warfare:

1. It acts as a mobile sovereign airbase, extending air power far beyond land-based fighter ranges.

2. It operates as a standalone combat vessel without the need for an escort fleet (Carrier Strike Group).

3.It provides critical command and control infrastructure for amphibious and anti-submarine warfare operations.

Which of the statements given above is/are correct?

1 only

1 and 3 only

2 and 3 only

1, 2 and 3

6 / 10

Q6. What is the primary difference between a STOBAR and a CATOBAR aircraft carrier configuration?

STOBAR uses catapults powered by steam or electromagnetism, whereas CATOBAR uses a ski-jump ramp.

CATOBAR allows the deployment of heavier aircraft, airborne early warning (AEW) aircraft, and higher sortie rates using catapult assistance, while STOBAR relies on aircraft thrust and a ski-jump.

STOBAR carriers are exclusively nuclear-powered, whereas CATOBAR carriers are conventionally powered.

CATOBAR does not require arresting wires for landing, unlike STOBAR.

7 / 10

Q7. Why are aircraft carriers considered crucial for securing Sea Lines of Communication (SLOCs) in the Indo-Pacific region?

They allow nations to establish permanent territorial sovereignty over international waters under UNCLOS.

) They provide sustained air superiority and power projection in distant oceanic zones where land-based air cover is absent.

They serve primarily as commercial cargo carriers during peacetime operations.

They eliminate the requirement for submarine fleets in deep-sea chokepoints.

8 / 10

Q8. INS Vikramaditya, which serves in the Indian Navy, was originally commissioned into the Soviet/Russian Navy under which name before its refit?

Admiral Kuznetsov

Varyag

Baku (Admiral Gorshkov)

Kiev

9 / 10

Q9. What is the primary operational difference between a Conventional Diesel-Electric Submarine (SSK) and a Nuclear-Powered Attack Submarine (SSN)?

SSKs carry ballistic missiles, whereas SSNs carry cruise missiles exclusively.

SSNs possess near-infinite underwater endurance and higher speeds due to a nuclear reactor, whereas SSKs must surface or use a snorkel to recharge batteries.

SSKs are designed exclusively for shallow coastal waters, while SSNs cannot operate in littoral zones.

SSNs do not produce any acoustic signature, making them entirely undetectable by sonar.

10 / 10

Q10. What does the term Air-Independent Propulsion (AIP) signify in modern submarine technology?

A propulsion system that allows a conventional diesel-electric submarine to remain submerged for significantly longer periods without surfacing for air.

A nuclear propulsion system that eliminates the need for steam turbines.

An emergency propulsion system used exclusively for docking maneuvers.

A supersonic propulsion system used by submarine-launched cruise missiles.

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Prelims Test Evening Batch 04 Nov 2026

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