Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 None of these 20.8 20.2 2 None of these 20.8 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.65 to 0.80 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 0.65 to 0.80 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm. 44058 43962 44183 43895 44058 43962 44183 43895 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 Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling Are easier to clean None of these Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling Are easier to clean ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle spacing is generally __________ the I.D. of the shell. More than Not less than one fifth of Both B and C Not greater than More than Not less than one fifth of Both B and C Not greater than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 10 to 15 1.5 to 2 5 to 10 2.5 to 5 10 to 15 1.5 to 2 5 to 10 2.5 to 5 ANSWER DOWNLOAD EXAMIANS APP