Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/2t pD/3t pD/6t pD/4t pD/2t pD/3t pD/6t pD/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the All of these Operating pressure and welding/joint efficiency Ultimate tensile strength (or yield point) of the material and operating temperature Diameter of the vessel All of these Operating pressure and welding/joint efficiency Ultimate tensile strength (or yield point) of the material and operating temperature Diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ tray arrangement is recommended for distillation column having diameter upto 4 ft. Cascade Split flow Radial flow Cross flow Cascade Split flow Radial flow Cross flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)5/3 (1.2)2/3 (1.2)3/2 (1.2)3/5 (1.2)5/3 (1.2)2/3 (1.2)3/2 (1.2)3/5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling None of these Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always < 1 1 >1 Equal to the order of reaction < 1 1 >1 Equal to the order of reaction ANSWER DOWNLOAD EXAMIANS APP
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