Question 1

Which Indian missile system is classified as a supersonic cruise missile jointly developed by India and Russia?

Accepted Answer

BrahMos is a supersonic cruise missile jointly developed by India's DRDO and Russia's NPO Mashinostroyeniya. It travels at speeds of approximately Mach 2.8–3.0, making it one of the fastest cruise missiles in the world. It can be launched from land, sea, and air platforms.

Question 2

The BrahMos cruise missile is a joint development between India and which country?

Accepted Answer

BrahMos is a supersonic cruise missile developed jointly by India's DRDO (Defence Research and Development Organisation) and Russia's NPO Mashinostroyeniya. The missile is named after two rivers: Brahmaputra (India) and Moskva (Russia), reflecting the partnership. It was first tested in 2001 and has since become a key component of India's defence arsenal.

Question 3

What is the maximum range of the Brahmos missile in its current operational version?

Accepted Answer

The BrahMos cruise missile has a maximum range of approximately 290 km in its current operational configuration. Earlier versions had a range of 290 km, and subsequent variants have extended this capability. The missile is known for its supersonic speed (Mach 2.8 to 3.0) and precision strike capability.

Question 4

Which defence research organization developed India's Akash air defence system?

Accepted Answer

The Akash air defence system was developed by India's Defence Research and Development Organisation (DRDO). It is a medium-range surface-to-air guided missile system designed to protect against aircraft, helicopters, and cruise missiles. The system was first tested in 1990 and became operational with the Indian Air Force and Army.

Question 5

The INS Vikrant, India's first indigenous aircraft carrier, was commissioned into the Indian Navy in which year?

Accepted Answer

INS Vikrant, India's first indigenous aircraft carrier, was commissioned into the Indian Navy on September 2, 2022. It was built at the Cochin Shipyard Limited (CSL) and represents a major milestone in India's indigenous defence manufacturing capability. The carrier is named after the original INS Vikrant that played a crucial role in the 1971 Indo-Pakistani War.

Question 6

The BrahMos cruise missile, jointly developed by India and Russia, has a maximum range of approximately:

Accepted Answer

BrahMos is a supersonic cruise missile developed through a joint venture between India's Defence Research and Development Organisation (DRDO) and Russia's NPO Mashinostroyeniya. The missile has a maximum range of 290 km in its standard configuration. The extended-range variant (BrahMos-ER) can reach up to 350 km, but the standard operational range is 290 km. This missile has been inducted into the Indian Navy, Army, and Air Force. Therefore, the answer is C.

Question 7

Which of the following is the primary propulsion system used in India's Arihant-class nuclear submarines?

Accepted Answer

The Arihant-class submarines, India's indigenous nuclear-powered ballistic missile submarines (SSBNs), are powered by a pressurized heavy-water reactor (PHWR). This reactor design was developed by the Indian Navy and BARC (Bhabha Atomic Research Centre) specifically for submarine propulsion. The Arihant, commissioned in 2016, represents India's strategic deterrent capability under the nuclear triad. Therefore, the answer is B.

Question 8

India's Advanced Air Defence System (AADS), also known as the Akash missile system, is designed to engage targets at a maximum altitude of:

Accepted Answer

The Akash missile system is India's medium-range surface-to-air guided missile developed by DRDO. It is designed to engage aerial targets at a maximum altitude of 25 km (25,000 meters). The system has a range of 25-30 km and can track and engage multiple targets simultaneously. Akash has been inducted into the Indian Air Force and Army Air Defence Command. Therefore, the answer is B.

Question 9

The Tejas Light Combat Aircraft (LCA), India's indigenous fighter jet, is powered by a single engine manufactured by which country?

Accepted Answer

The HAL Tejas is powered by a single General Electric F404 turbofan engine. General Electric is a United States-based company. The F404 engine was selected for the Tejas program and has been the primary powerplant since the aircraft's development. The Tejas was inducted into the Indian Air Force in 2016. Therefore, the answer is A.

Question 10

India's Ballistic Missile Defence (BMD) system, also called the Air Defence System, uses which radar technology for target detection and tracking?

Accepted Answer

India's Ballistic Missile Defence (BMD) system employs phased-array radar technology for detection and tracking of incoming ballistic missiles. The system uses both ground-based and ship-based phased-array radars. The Advanced Air Defence (AAD) system and the PDV (Prithvi Defence Vehicle) interceptor missiles form the core of this two-tier BMD architecture. Phased-array radars provide rapid scanning, multiple target tracking, and electronic beam steering capabilities essential for ballistic missile defence. Therefore, the answer is D.

Question 11

Which of the following is the primary propellant used in India's Agni series of ballistic missiles?

Accepted Answer

The Agni series of ballistic missiles developed by DRDO uses solid-fuel propulsion systems. Agni missiles are powered by solid rocket motors, which provide the thrust for these strategic weapons. This is a defining characteristic that distinguishes them from some other missile systems that use liquid fuel.

Question 12

The INS Vikrant, India's first indigenous aircraft carrier, was commissioned into the Indian Navy in which year?

Accepted Answer

INS Vikrant, India's first indigenously designed and built aircraft carrier, was commissioned into the Indian Navy on September 2, 2022. The carrier was built by Cochin Shipyard Limited (CSL) and represents a major milestone in India's naval capability. It has a displacement of approximately 40,000 tonnes and can carry 30 aircraft.

Question 13

Which of the following is the primary propellant used in India's Agni series of ballistic missiles?

Accepted Answer

The Agni series of ballistic missiles developed by DRDO uses solid-fuel propulsion systems. Agni missiles are powered by solid rocket motors, which provide the thrust for these intermediate to intercontinental range missiles. This is a defining characteristic that distinguishes them from some other missile systems that use liquid propellants.

Question 14

The BrahMos cruise missile is a joint development between India and which country?

Accepted Answer

BrahMos is a supersonic cruise missile developed through a joint venture between India's Defence Research and Development Organisation (DRDO) and Russia's NPO Mashinostroyenia. The missile is named after two rivers: Brahmaputra (India) and Moskva (Russia), symbolizing the partnership. BrahMos has a range of approximately 290 km and can be launched from air, land, and sea platforms.

Question 15

Which advanced radar system, developed by India, is used for air defence and is part of the Integrated Air Defence System (IADS)?

Accepted Answer

The Rajendra radar is an advanced phased-array radar system developed by India's DRDO for air defence applications. It is a key component of India's Integrated Air Defence System and is used to detect, track, and guide air defence missiles. The Rajendra radar operates in the S-band frequency and can simultaneously track multiple targets.

Question 16

The Pinaka multi-barrel rocket launcher system, developed by DRDO, has a range of approximately how many kilometers?

Accepted Answer

The Pinaka multi-barrel rocket launcher (MBRL) system, developed by DRDO, has a range of approximately 40 kilometers in its standard configuration. An extended-range variant, Pinaka-ER, has been developed with a range of up to 60 kilometers. The system is mounted on a 6×6 truck and can fire 12 rockets in quick succession, making it a potent area-denial weapon.

Question 17

Which Indian defence system is designed to detect and track aircraft, missiles, and ships using electromagnetic waves, and forms the backbone of India's air defence network?

Accepted Answer

The Rajendra radar system (also known as the Phased Array Search and Track Radar or PHASR) is India's indigenous 3D air search radar developed by DRDO. It operates on S-band frequency and can simultaneously track multiple targets at ranges up to 400 km. The Rajendra is the primary surveillance radar integrated into India's Integrated Air Defence System (IADS). It has been operationally deployed with the Indian Air Force since the late 1990s and represents a critical indigenous capability for air defence. Therefore, the answer is B.

Question 18

India's Arihant-class submarines are powered by which type of nuclear reactor, and what is the primary strategic purpose of these vessels?

Accepted Answer

The INS Arihant and its sister ships use pressurized heavy water reactors (PHWR) derived from India's civilian nuclear programme. These submarines are ballistic missile submarines (SSBNs) designed to carry submarine-launched ballistic missiles (SLBMs) like the K-15 Sagarika missile. The primary strategic purpose is to provide India with a credible second-strike nuclear deterrent capability as part of the nuclear triad. The Arihant was commissioned in 2016 and represents India's indigenous submarine-based nuclear deterrent. Therefore, the answer is C.

Question 19

The BrahMos missile is a joint development between India and which country, and what is its primary classification in terms of launch platform and range?

Accepted Answer

BrahMos is a supersonic cruise missile developed jointly by India's DRDO and Russia's NPO Mashinostroyeniya. It is a multi-platform missile available in air-launched, ship-launched, submarine-launched, and land-based variants. The missile has a range of approximately 290 km (extended to 450 km in newer variants under MTCR compliance considerations) and travels at speeds of Mach 2.8 to Mach 3. It is classified as a supersonic cruise missile and is one of the fastest cruise missiles in the world. Therefore, the answer is B.

Question 20

India's Agni series of ballistic missiles includes variants with different ranges. Which Agni variant is specifically designed as an intermediate-range ballistic missile (IRBM) with a range of approximately 2,000-2,500 km?

Accepted Answer

The Agni-III is India's intermediate-range ballistic missile (IRBM) with a range of 2,500 km. It is a two-stage, solid-fuelled missile that was first successfully tested in 2007 and operationally inducted into the Indian Army in 2011. The Agni-III is capable of carrying both conventional and nuclear warheads and represents a significant capability in India's strategic deterrent arsenal. It bridges the gap between the medium-range Agni-II (2,000 km) and the long-range Agni-IV (4,000 km). Therefore, the answer is C.

Question 21

India's Light Combat Aircraft (LCA) Tejas is powered by which engine, and in which year was it operationally inducted into the Indian Air Force?

Accepted Answer

The HAL Tejas is powered by a General Electric F404-GE-F2J3 turbofan engine. The aircraft was operationally inducted into the Indian Air Force on July 1, 2016, when the first squadron (No. 45 Squadron 'Flying Daggers') was formally commissioned. The Tejas is a lightweight, multi-role combat aircraft developed by Hindustan Aeronautics Limited (HAL) and represents India's indigenous fighter aircraft programme. The aircraft has a maximum speed of Mach 1.6 and is equipped with advanced avionics and weapon systems. Therefore, the answer is B.

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