Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/10-1/15th 1/2 to 1/4th 1/20-1/30th 1/5-1/10th 1/10-1/15th 1/2 to 1/4th 1/20-1/30th 1/5-1/10th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Reflux ratio variation in a distillation column is between None of these Zero and one Zero and infinity Minimum and infinity None of these Zero and one Zero and infinity Minimum and infinity 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 Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less None of these Are less prone to fouling Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For high pressure process equipments/vessels, the connected nozzle should be Screwed Flanged Welded Brazed Screwed Flanged Welded Brazed ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the Number of equilibrium stages in only stripping section is to be calculated Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages in only stripping section is to be calculated Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Relative volatility is close to one (e.g., separation of close boiling isomers) ANSWER DOWNLOAD EXAMIANS APP