Process Equipment and Plant Design In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 20 30 10 35 20 30 10 35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to Low gas velocity High gas velocity Excessive liquid gradient over the tray Low reflux ratio Low gas velocity High gas velocity Excessive liquid gradient over the tray Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. One-fourth of 1.25-1.50 times Less than 2.5 times One-fourth of 1.25-1.50 times Less than 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 24 34 18 6 24 34 18 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 5 to 10 15 to 30 55 to 75 40 to 50 5 to 10 15 to 30 55 to 75 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
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