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VIEEE 2011 Sample Question Paper

April 13th, 2011
01. A concrete sphere of radius R has a cavity of radius r which is packed with sawdust. The relative densities of concrete and sawdust are 2.4 and 0.3 respectively. For this sphere to float with its entire volume submerged under water, the ratio of the mass of concrete to the mass of sawdust will be ?





02. A Coil of inductance 300 mH and resistance 2Ω is connected to a source of voltage 2V. The current reaches half of its steady of its steady state value in ?





03. At absolute zero temperature ?





04. One centimeter on the main scale of vernire calipers is divided into ten equal parts. If 10 divisions of vernire scale coincide with 8 small divisions of the main scale, the least count of the calipers is ?





05. 12) A vessel contains 1 mole of O2 gas (molar mass 32) at a temperature T. The pressure of the gas is P. An identical vessel containing one mole of He gas (molar mass 4) at a temperature 2T has a pressure of ?





06. Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is ?





07. Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly ?





08. An electron with energy E0 has a wavelength . If the energy is doubled to 2E0, the wavelength will be ?





09. A satellite revolves around the earth in an elliptical orbit. Its speed ?





10. At 800C, the vapour pressure of pure liquid 'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B' boils at 800C and 1 atm pressure, the amount of 'A' in the mixture is (1 atm = 760 mm Hg) ?







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