Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Less than More than Either B or C; depends on maximum permissible internal pressure Equal to Less than More than Either B or C; depends on maximum permissible internal pressure Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Twice Four times Half Equal to Twice Four times Half Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Increases Remains same, only if the number of tube passes does not change Decreases Remains same Increases Remains same, only if the number of tube passes does not change Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity Low reflux ratio Excessive liquid gradient over the tray Low gas velocity High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Both B & C Does not affect the capacity Increases economy Increases capacity Both B & C Does not affect the capacity Increases economy Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 45.5 12.5 5.5 30.5 45.5 12.5 5.5 30.5 ANSWER DOWNLOAD EXAMIANS APP
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