Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 6 to 12 4 to 8 2 to 3 3 to 5 6 to 12 4 to 8 2 to 3 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of cooling water for condenser Running cost of steam for reboiler Fixed charges initially Vapour & liquid load both Running cost of cooling water for condenser Running cost of steam for reboiler Fixed charges initially ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes None of these Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are easier to clean None of these Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are easier to clean ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Same More Cither A or B; depends upon the I.D. of the pipe Less Same More Cither A or B; depends upon the I.D. of the pipe Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Lowest surface area requirement for a given volume None of these Both A & B Higher structural strength Lowest surface area requirement for a given volume None of these Both A & B Higher structural strength ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 4 2 43832 43834 4 2 43832 43834 ANSWER DOWNLOAD EXAMIANS APP
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