Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 650 750 450 250 650 750 450 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 100 and 250 3 and 5 25 and 60 250 and 600 100 and 250 3 and 5 25 and 60 250 and 600 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of Making the joint leak proof Reduction of discontinuity in shape at the junction Preventing the local overstressing of the shell around the opening None of these Making the joint leak proof Reduction of discontinuity in shape at the junction Preventing the local overstressing of the shell around the opening None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the None of these Ultimate stress to working stress Working stress to ultimate stress Ultimate stress to breaking stress None of these Ultimate stress to working stress Working stress to ultimate stress Ultimate stress to breaking stress 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 16 28 38 19 16 28 38 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.5 to 3 1.6 to 2 2.5 1.3 to 2 1.5 to 3 1.6 to 2 2.5 1.3 to 2 ANSWER DOWNLOAD EXAMIANS APP
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