Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low viscosity Low corrosiveness High specific heat Low dirt factor Low viscosity Low corrosiveness High specific heat Low dirt factor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.25 0.1 0.8 0.5 0.25 0.1 0.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.). Hemispherical Conical Ellipsoidal Dished Hemispherical Conical Ellipsoidal Dished ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Low gas velocity Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing Low gas velocity Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing 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)/dh (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In perforated plate towers, the Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area Pressure drop is less compared is similar bubble cap towers Hole sizes may be around 1/8" or 3/16" All of these Total hole area may be around 6 to 15% of tower cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
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