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TANGEDCO AE EC 2018 Official Paper

Option 4 : gas constant

- Universal Gas Constant, R, is a property of Ideal Gases.
- The ideal gas equation is given by PV = n RT.
- The universal gas constant or molar constant (Ru) of a gas is the product of
**the specific gas constant (R) and the molecular mass of the gas (M).** - Ru = MR
- The S.I. units of Ru is
**8.314 kJ/kg – mol K.** - M.K.S unit of Ru is
**848 kgf -m/kg mole - K (Note 1 kgf-m = 9.81 joules).**

CT 1: Determinants and Matrices

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