Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. Liquor flows inside the tube, while the steam is outside submerging the tube It is suitable for process, in which the final product is a liquor instead of solid Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is unsuitable for concentrating those liquids, which form a scale or deposit salt Liquor flows inside the tube, while the steam is outside submerging the tube It is suitable for process, in which the final product is a liquor instead of solid Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is unsuitable for concentrating those liquids, which form a scale or deposit salt ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) A/P √A 4 A/P 4 P/A A/P √A 4 A/P 4 P/A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Both A & B Circumferential Neither A nor B Radial Both A & B Circumferential Neither A nor B Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 6 metres 0.5 metre 2.5 metres 10 metres 6 metres 0.5 metre 2.5 metres 10 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness? Hemispherical Conical Flat plate Ellipsoidal (2 : 1) Hemispherical Conical Flat plate Ellipsoidal (2 : 1) ANSWER DOWNLOAD EXAMIANS APP
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