Defence Technology

Which of the following statements with regard to stealth technology is/are correct ? 1, Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material. 2. Stealth objects can be detected using specific frequencies. 3. Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation. Select the answer using the code given below : (a) 1 only (b) 2and 3 only (ec) 1 and 2 only (@) 1,2and3

Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below :

The Bureau of Indian Standard (BIS) recently introduced a national standard to test and assess bomb disposal system. Which of the following statements with regard to this system is/are correct ? 1. The new standard is known as IS 19445 : 2025. 2. It will improve interoperability of equipment across agencies. 3. It was developed by TBRL, DRDO in collaboration with the 30 Central Scientific Research Institute, Russia. Select the answer using the code given below :

What is the common characteristic of CL-20, HMX and LLM-105?

Operations undertaken by the Army towards upliftment of the local population in remote areas to include addressing of their basic needs is called:

Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? 1. Brigadier — Air Commodore — Commander; 2. Major General — Air Vice Marshal — Vice Admiral; 3. Major — Squadron Leader — Lieutenant Commander; 4. Lieutenant Colonel — Group Captain — Captain. Select the correct answer using the code given below:

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking the migration of animals. In how many of the above activities can the radars be used?

Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1. How many of above are considered fifth generation fighter aircraft?

Consider the following statements : 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. Which of the statements given above isfare correct?

Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media?

What is “Terminal High Altitude Area Defense (THAAD)”, sometimes seen in the news?

Which reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nuclear warheads about 7500 km away.