Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Complete back mixing Laminar flow Eddy diffusivity = 0 Plug flow Complete back mixing Laminar flow Eddy diffusivity = 0 Plug flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 1 to 1.5 0.5 to 1 2 to 2.5 1.5 to 2 1 to 1.5 0.5 to 1 2 to 2.5 1.5 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/t pd/4t pd/3t pd/2t pd/t pd/4t pd/3t pd/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 1 to 5 40 to 50 30 to 40 10 to 20 1 to 5 40 to 50 30 to 40 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the Forces exerted by static and dynamic action at bends Temperature stresses Circumferential pipewall tension Axial tensile stress in the pipe Forces exerted by static and dynamic action at bends Temperature stresses Circumferential pipewall tension Axial tensile stress in the pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid ANSWER DOWNLOAD EXAMIANS APP
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