Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 3000 5000 10000 1000 3000 5000 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/2 and 5 1/64 and 1/8 1/2 and 8 1/8 and 1/64 1/2 and 5 1/64 and 1/8 1/2 and 8 1/8 and 1/64 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 None of these Are easier to clean Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these Are easier to clean Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.) -q/(q-1) -q/(1-q) None of these -q -q/(q-1) -q/(1-q) None of these -q ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.9 (0.8)0.5 1 0.8 0.9 (0.8)0.5 1 0.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels. Tall vertical Thick walled vertical Horizontal cylinderical Thick spherical Tall vertical Thick walled vertical Horizontal cylinderical Thick spherical ANSWER DOWNLOAD EXAMIANS APP
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