Defence GK Questions 2026

NLP is the branch of artificial intelligence that lets computers understand, interpret and produce human language. Artificial intelligence covers systems that perform tasks normally needing human intelligence, such as learning, reasoning and understanding speech or text.

The investment multiplier equals 1 ÷ (1 − MPC), so the smaller the share of extra income people spend, the smaller the multiplier.

Tax Inspectors Without Borders is a joint initiative of the United Nations Development Programme and the Organisation for Economic Co-operation and Development.

Released by IBM in 1957, Fortran is the oldest of the four and is often called the first widely used high-level programming language.

When calcium carbide reacts with water it gives acetylene (ethyne) gas and calcium hydroxide, not hydrogen. The reaction CaC₂ + 2H₂O → C₂H₂ + Ca(OH)₂ is the old method of making acetylene, once burnt in miners' lamps and still used for welding and for ripening fruit illegally.

The quantity demanded falls by 50% while the price rises by 50%, and 50 divided by 50 gives a price elasticity of 1.

All four are high-performance computing systems built or installed in India for research, weather forecasting and artificial intelligence. PARAM Siddhi-AI was built by C-DAC under the National Supercomputing Mission and is installed at C-DAC, Pune.

Both beams carry conventional current in the same direction, north to south, and parallel currents in the same direction attract each other.

Petroleum ether is a solvent and petroleum jelly is spread on metal surfaces as a protective coating, while the uses given for petroleum wax and white spirit have been swapped around.

The ship took part in the ninth edition of the India-Brazil-South Africa Maritime Exercise, and its Commanding Officer spoke at the closing ceremony at Simon's Town, where he described such exercises as a platform that turns long-standing diplomatic ties into usable naval cooperation.

The closing ceremony of IBSAMAR IX was held there on 20 October 2026, rounding off ten days of joint activity in a harbour phase and a sea phase.

IBSAMAR stands for the India-Brazil-South Africa Maritime Exercise, and the ninth edition brought the navies of these three countries together before concluding at Simon's Town in South Africa.

At the outreach the Air Force listed four areas needing focused attention: indigenous propulsion, autonomous software, resilient navigation and standardised interfaces, all of them meant to cut dependence on external sources and strengthen the domestic defence ecosystem.

Around 100 representatives of drone companies and allied industry partners attended, which the Air Force treated as a measure of its growing engagement with the unmanned ecosystem in the country.

The roadmap was released there on 14 September 2026, and the Industry Outreach Programme of 21 October 2026 at Vigyan Bhawan in New Delhi was built on it, with the roadmap booklet distributed to industry partners on that day.

The opening ceremony of SIMBEX-2026 took place on 21 October 2026 onboard these two Indian Navy warships at Visakhapatnam, and it was attended by the Chief Staff Officer (Operations) of the Eastern Naval Command, the Fleet Commander of the Republic of Singapore Navy and other senior officers of both navies.

The series now known as SIMBEX was first conducted in 1994 under that name, and it has since widened in scope and complexity to become a significant maritime engagement between the Indian Navy and the Republic of Singapore Navy.

SIMBEX is the short name of the Singapore-India Maritime Bilateral Exercise, and the two forces that take part are the Indian Navy and the Republic of Singapore Navy, abbreviated RSN.

The Ministry of Defence stated that the purchase aligns with the government's vision of a developed India and is a significant step towards indigenisation of air defence platforms, giving a boost to the domestic defence manufacturing ecosystem, including micro, small and medium enterprises, and helping build a resilient, self-reliant and…

The radar is able to detect and track targets of fighter aircraft size as well as mini and micro drones, and it can also prioritise aerial targets, which together allow the Army to counter the threat posed by unmanned aerial systems.