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1779 – Pierre-Louis-Georges du Buat publishes Principes de l'hydraulique ("Principles of hydraulics"), with semiempirical equations for the flow of water through pipes and open channels. [17] [18] 1780 – Jacques Charles discover a gas law that describes the relationship between temperature and volume, given by Charles's law.
Hydraulics (from Ancient Greek ὕδωρ (húdōr) 'water' and αὐλός (aulós) 'pipe') [2] is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concerns gases.
Category talk:History of Nepal (2008–present) Category talk:History of Nepal by province; Category talk:History of Nepal by topic; Category talk:History of Nepalese cricket; Category talk:History organizations based in Nepal; Category talk:Houses in Nepal; Category talk:Hydroelectricity in Nepal
The program was renamed to National Talent Search Scheme with the NTSE examination now being conducted for classes X, XI, and XII. Currently, the NTSE exam is conducted only for 10th class students in India in two phases with subjects relating to Mental Ability Test and Scholastic Aptitude Test (SAT) for 100 marks each. [6] [7]
[citation needed] During his experiments on fluid mechanics, Biruni invented the conical measure, [6] in order to find the ratio between the weight of a substance in air and the weight of water displaced. [citation needed] Al-Khazini, in The Book of the Balance of Wisdom (1121), invented a hydrostatic balance. [7]
Secondary Education Examination (SEE) is the final examination in the secondary school system of Nepal which is being taken by National Examination Board .National Examination Board upgraded from what was previously known as School Leaving Certificate (SLC).
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It was established on 2 January 1957 and was initially based around the purchased private collection of Rajguru Hem Raj Pandey, an advisor to King Mahendra of Nepal.Items of the Central Secretariat Library were also brought into the collection totaling 34,292 items at the time of the foundation. [1]