With reference to India's defence, consider the following pairs: Aircraft type : Description How many of the pairs given above are correctly matched?
I. Dornier-228 : Maritime patrol aircraft
II. IL-76 : Supersonic combat aircraft
III. C-17 Globemaster III : Military transport aircraft
Only two
Analyzing India's Defence Aircraft Pairs
Let's carefully examine each pair of defence aircraft and their descriptions provided in the question to determine if the description accurately matches the aircraft type.
Pair I: Dornier-228 : Maritime patrol aircraft
The Dornier 228 is a twin-turboprop utility aircraft. It is widely used for various roles, including maritime surveillance, patrol, and reconnaissance by the Indian Navy and the Indian Coast Guard. Its design makes it suitable for coastal surveillance, search and rescue operations, and transporting personnel and cargo over medium ranges.
Based on its operational use in India's defence forces, the description 'Maritime patrol aircraft' is an accurate role for the Dornier-228.
Conclusion for Pair I: Correctly Matched.
Pair II: IL-76 : Supersonic combat aircraft
The Ilyushin Il-76 is a multi-purpose four-engine turbofan strategic airlifter. It is a heavy transport aircraft used by the Indian Air Force primarily for transporting troops, cargo, and military equipment over long distances. It is known for its capability to operate from unpaved runways and its robust design.
A 'supersonic combat aircraft' is designed for high-speed air-to-air or air-to-ground combat roles, typically fighters or bombers capable of exceeding the speed of sound. The IL-76 is a large transport aircraft and does not fit this description.
Based on its role and design, the description 'Supersonic combat aircraft' is incorrect for the IL-76.
Conclusion for Pair II: Incorrectly Matched.
Pair III: C-17 Globemaster III : Military transport aircraft
The Boeing C-17 Globemaster III is a large military transport aircraft developed for the United States Air Force (USAF). The Indian Air Force also operates the C-17 for strategic airlift, enabling it to transport large payloads, including tanks and vehicles, over intercontinental distances and deliver troops and cargo directly to forward operating bases.
Based on its design and primary function within military forces, the description 'Military transport aircraft' is an accurate role for the C-17 Globemaster III.
Conclusion for Pair III: Correctly Matched.
Summary of Pair Analysis
Let's summarize the findings for each pair:
| Pair | Aircraft Type | Given Description | Actual Role/Type | Match Status |
|---|---|---|---|---|
| I | Dornier-228 | Maritime patrol aircraft | Maritime patrol, surveillance, transport | Correctly Matched |
| II | IL-76 | Supersonic combat aircraft | Heavy military transport aircraft | Incorrectly Matched |
| III | C-17 Globemaster III | Military transport aircraft | Strategic military transport aircraft | Correctly Matched |
Out of the three pairs provided, Pair I (Dornier-228 : Maritime patrol aircraft) and Pair III (C-17 Globemaster III : Military transport aircraft) are correctly matched. Pair II (IL-76 : Supersonic combat aircraft) is incorrectly matched as the IL-76 is a transport aircraft, not a supersonic combat aircraft.
Therefore, there are two correctly matched pairs.
Revision Table: India Defence Aircraft Types
Understanding the roles of different aircraft types is important for questions related to defence. Here is a quick revision table:
| Aircraft Type | Primary Role (General) | Example Aircraft |
|---|---|---|
| Combat Aircraft | Engages in aerial warfare; fighters, bombers, attack aircraft. Can be supersonic. | Sukhoi Su-30 MKI, Tejas (India) |
| Maritime Patrol Aircraft | Surveillance over water, anti-submarine warfare, search and rescue. | Dornier 228, P-8I Neptune (India) |
| Military Transport Aircraft | Carries troops, equipment, and cargo. Can be tactical (short-range, rough strips) or strategic (long-range, heavy lift). | IL-76, C-17 Globemaster III, C-130J Super Hercules (India) |
| Trainer Aircraft | Used for pilot training. | Hawk AJT, Kiran (India) |
| Helicopters | Versatile for transport, attack, reconnaissance, search & rescue, etc. | ALH Dhruv, Apache, Mi-17 (India) |
Additional Information on Indian Defence Aircraft
- Dornier 228: Apart from maritime patrol, it is also used for coastal surveillance, medical evacuation, and environmental monitoring by the Indian Coast Guard and Navy. Hindustan Aeronautics Limited (HAL) also manufactures these aircraft in India under license.
- IL-76: It forms the backbone of the heavy-lift transport fleet of the Indian Air Force. It has been extensively used for humanitarian aid missions and transporting large military equipment. India also uses a variant of the IL-76 as an Airborne Early Warning and Control (AWACS) platform (known as A-50I Phalcon).
- C-17 Globemaster III: These aircraft significantly enhanced the Indian Air Force's ability to project power and respond to contingencies over long distances due to their payload capacity and range. They can operate from relatively short and austere runways.
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Important Questions from GS (Miscellaneous)
Consider the following types of vehicles:
I. Full battery electric vehicles
II. Hydrogen fuel cell vehicles
III. Fuel cell electric hybrid vehicles
How many of the above are considered as alternative powertrain vehicles?With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:
I. All types of UAVs can do vertical landing.
II. All types of UAVs can do automated hovering.
III. All types of UAVs can use battery only as a source of power supply.
How many of the statements given above are correct?In the context of electric vehicle batteries, consider the following elements:
I. Cobalt
II. Graphite
III. Lithium
IV. Nickel
How many of the above usually make up battery cathodes?Consider the following:
I. Cigarette butts
II. Eyeglass lenses
III. Car tyres
How many of them contain plastic?Consider the following substances:
I. Ethanol
II. Nitroglycerine
III. Urea
Coal gasification technology can be used in the production of how many of them?
