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/3t pD/6t pD/4t pD/2t pD/3t pD/6t pD/4t pD/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 19 28 16 38 19 28 16 38 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 10 to 20 30 to 40 1 to 5 40 to 50 10 to 20 30 to 40 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 2.5 20 15 7.5 2.5 20 15 7.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate Relieving excess pressure Creating turbulence Avoiding vortex formation Enhancing mixing rate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. None of these Damaging Allowable Working None of these Damaging Allowable Working ANSWER DOWNLOAD EXAMIANS APP
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