Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design High pressure fluid in a shell and tube heat exchanger should preferably be routed through the Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop Tubes to avoid the expansion of high pressure shell construction Shell side, if the flow is counter-current and tube side if the flow is co-current Shell side for large overall heat transfer co-efficient Shell side for smaller total pressure drop Tubes to avoid the expansion of high pressure shell construction Shell side, if the flow is counter-current and tube side if the flow is co-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Excessive liquid gradient over the tray Low reflux ratio Low gas velocity High gas velocity Excessive liquid gradient over the tray Low reflux ratio Low gas velocity High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shortest distance between two tubes is More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch Called tube clearance None of these More in case of triangular pitch as compared to square pitch of tube layout Called tube pitch Called tube clearance 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 Working stress to ultimate stress Ultimate stress to breaking stress Ultimate stress to working stress None of these Working stress to ultimate stress Ultimate stress to breaking stress Ultimate stress to working stress None of these 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. Half Four times Twice Equal to Half Four times Twice Equal to ANSWER DOWNLOAD EXAMIANS APP
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