Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of water in pipes is __________ m/sec. 1-2 0.1-0.5 10-50 15-30 1-2 0.1-0.5 10-50 15-30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Back-trapping in a distillation column results due to High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio High gas velocity Low gas velocity Excessive liquid gradient over the tray Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Twice Less More Same Twice Less More Same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t D = 1.1 t D = 1.6 √t D = 1.5 t D = 3√t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row. Diamond None of these Zig-zag Chain Diamond None of these Zig-zag Chain ANSWER DOWNLOAD EXAMIANS APP