Process Equipment and Plant Design Liquid gradient over the tray results due to the Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop 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 Rotary driers are most economically designed for the number of heat transfer units (HTU) from 1.5 to 2.5 5 to 10 10 to 20 0.01 to 1 1.5 to 2.5 5 to 10 10 to 20 0.01 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to 1.5 d 2.5 d D 0.5 d 1.5 d 2.5 d D 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Both A & B Radial Neither A nor B Circumferential Both A & B Radial Neither A nor B Circumferential ANSWER DOWNLOAD EXAMIANS APP