For GATE CH Paper A$P!RANT$ : ------------------------------------------------------------ Subjects : Plant Design. Question : 1(a). A spherical storage tank is having an outer diameter of 2 m and a thickness of 5 mm. The tank seams are welded and having joint efficiency of 0.85. The material of construction will be plain carbon steel. The chemical will be stored at the maximum temperature of 298 K. No corrosion problems are expected. What maximum internal pressure the tank will withstand safely? Allowable design stress value at working temperature is 118 MN /m2 . 1(b). The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. (A) Flat plate (B) Hemispherical (C) Torispherical (D) Ellipsoidal -------IFFCO 2013 Prelims GET Chem Engg. 1(c). Pick out the wrong statement pertaining to the design of a basket type evaporator. (A) It is used for high viscosity liquor having large rate of scaling. (B) The tube bundle is suspended on bracket. (C) There is no central downtake. (D) Downtake is formed by the annular space between the bundle and the shell. Answers follow as the comments line up or check on the next day. --------------------------------------------------------- - MOHSIN KHAN https://facebook/BORN.IMMORTAL Visit >> targate.in Join https://facebook/groups/targate.in/
Posted on: Mon, 19 Aug 2013 10:01:09 +0000
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