Process Equipment and Plant Design Needle valves are generally not used for Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? Equal to tube O.D Equal to tube I.D 6.5 cms 6.5 mm Equal to tube O.D Equal to tube I.D 6.5 cms 6.5 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Improve the flow condition Facilitate handling of large flow rate of liquid Increase the residence time Decrease the pressure drop Improve the flow condition Facilitate handling of large flow rate of liquid Increase the residence time Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 3 to 12.5 L to 3 4 to 8 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 12.5 to 18.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bubble cap plate column is A differential stage contactor Used only for distillation, not for absorption A finite stage contactor A continuous contactor A differential stage contactor Used only for distillation, not for absorption A finite stage contactor A continuous contactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to Guard against foaming & entrainment by dumping antifoaming agent through it Keep a check on the liquid gradient over the plate by direct visual observation All of these Give access to the individual trays for cleaning, maintenance and installation Guard against foaming & entrainment by dumping antifoaming agent through it Keep a check on the liquid gradient over the plate by direct visual observation All of these Give access to the individual trays for cleaning, maintenance and installation ANSWER DOWNLOAD EXAMIANS APP
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