Process Equipment and Plant Design The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/2t pd/t pd/8t pd/4t pd/2t pd/t pd/8t pd/4t 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. 40 to 50 1 to 5 10 to 20 30 to 40 40 to 50 1 to 5 10 to 20 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. Increases Remains same Decreases None of these Increases Remains same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow 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 Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension Forces exerted by static and dynamic action at bends Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension Forces exerted by static and dynamic action at bends ANSWER DOWNLOAD EXAMIANS APP