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Gk exam ready notes 5 self-evaluation and facts

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1.  Maldives is an island nation in the Indian Ocean consisting of twenty-six atolls oriented north-south off India's Lakshadweep Islands, between Minicoy Island and Chagos Archipelago.
2.  The capital of Maldives is MALE and Islam is the official religion of the nation.
3.  With an average ground level of 1.5 metres (4 ft 11 in) above sea level, it is the planet's lowest country.
4.  The highest point in the Maldives is on the Wilingili Islands in the Addu Atoll which is 7 feet 11 inches above sea level.
5.  Maldives consists of approximately 1,190 coral islands in which only 200 are inhabited.
6.  The official language of Maldives is DHIVEHI and the second language is ENGLISH.
7.  The Currency of Maldives is Rufiyaa (Notes) and Laari (Coins).
8.  Major Industries are Fish processing, tourism, shipping, boat building and coconut processing
9.  Major exports: dried and salted fish, coconuts, shells, tortoise shells, coir rope, and ambergris.
10.Major imports: rice, flour, sugar and other consumer products.
11.Rainwater harvesting is the accumulation and storage of rainwater for reuse before it reaches the aquifer.
12.Rainwater may be utilized for both potable and non-potable requirements such as: drinking, cooking, bathing (potable quality); swimming pool replenishment; laundry (reduces detergent & bleach); livestock & animals etc.
13.Commonly rain water harvesting systems are constructed of three principal components; the catchment area, the collection device, and the conveyance system.
14.Rainwater may also be used for groundwater recharge, where the runoff on the ground is collected and allowed to be absorbed, adding to the groundwater.
15.Currently in China and Brazil, rooftop rainwater harvesting is being practiced for providing drinking water, domestic water, water for livestock, water for small irrigation and a way to replenish ground water levels.
16.In Tamil Nadu rainwater harvesting was made compulsory for every building to avoid ground water depletion.
17.In Rajasthan, India rainwater harvesting has traditionally been practiced by the people of the Thar Desert.
18.In the Irrawaddy Delta of Myanmar, the groundwater is saline and communities rely on mud-lined rainwater ponds to meet their drinking water needs throughout the dry season.
19.In Bermuda, the law requires all new construction to include rainwater harvesting adequate for the residents.
20.Disadvantages of rainwater harvesting technologies are mainly due to the limited supply and uncertainty of rainfall.
21.Mobile telephony is the portable telephone services through radio wave or satellite transmissions.
22.1G, 2G, 3G & 4G ("G" stands for "Generation") are the generations of wireless telecom connectivity.
23.1G marked the beginning of cell phone era which utilizes TDMA (Time Division Multiple Access) and FDMA (Frequency Division Multiple Access) analog technologies for communication.
24.2G utilizes GSM (Global System for Mobile Communications) protocol and various other digital protocols including CDMA, TDMA, iDEN and PDC.
25.2G Services included wide-area wireless voice telephony, video calls, and broadband wireless data, all in a mobile environment.
26.2.5G has faster and higher data transmission capacity and an additional service of GPRS has been provided over GSM for the purpose of internet access.
27.3G is the first wireless telecom technology that provided broadband-speed internet connection on mobile phones.
28.3G is a highly sophisticated form of communication in which the data are sent through Packet Switching and Voice calls are interpreted through Circuit Switching.
29.In addition to verbal communication 3G includes data services, access to television/video, categorizing it into triple play service.
30.4G commercial launch estimated between 2012 and 2015 that will allow internet speeds of upto 100Mbps and promises voice, data and high-quality multimedia in real-time form all the time.
31.BrahMos is a stealth supersonic cruise missile that can be launched fromsubmarines, ships, aircraft or land.
32.BrahMos Aerospace was formed as a joint venture between DRDO (India) and NPO Mashinostroeyenia (Russia).
33.The company was established with an authorized capital of $250 million with 50.5% from Indian side.
34.The name BrahMos is a portmanteau formed from the names of two rivers, the Brahmaputra of India and the Moskva of Russia.
35.It travels at speeds of Mach 2.5 to 2.8 and is the world's fastest cruise missile.
36.Brahmos is a two stage missile with a solid propellant booster engine as its first stage which brings it to supersonic speed and then gets separated.
37.The liquid ramjet or the second stage then takes the missile closer to 3 Mach speed in cruise phase.
38.Under the Navy version Talwar class frigate (INS Tabar and INS Trishul) and Shivalik class frigate (INS Shivalik) can fire the BrahMos.
39.The ship-launched and land-based missiles can carry a 200 kg warhead, whereas the aircraft-launched variant (BrahMos A) can carry a 300 kg warhead.
40.Brahmos has the fire and forget principle.


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