Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 0.5 metre 10 metres 6 metres 2.5 metres 0.5 metre 10 metres 6 metres 2.5 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Wall thickness is > 30 mm Both B & C Plain carbon steel and cast iron parts are used Material of construction is high alloy steel Wall thickness is > 30 mm Both B & C Plain carbon steel and cast iron parts are used Material of construction is high alloy steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers Total hole area may be around 6 to 15% of tower cross-sectional area All of these Hole sizes may be around 1/8" or 3/16" Pressure drop is less compared is similar bubble cap towers Total hole area may be around 6 to 15% of tower cross-sectional area All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called Downcomer liquid seal None of these Skirt clearance Static submergence Downcomer liquid seal None of these Skirt clearance Static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Increases upwards Remains same throughout Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Increases upwards Remains same throughout Decreases upwards May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 20 5 55 35 20 5 55 35 ANSWER DOWNLOAD EXAMIANS APP
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