Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 10000 1000 3000 5000 10000 1000 3000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Pressure drop is proportional to the square Heat transfer co-efficient is proportional to 0.8th power Both A & B Neither A nor B Pressure drop is proportional to the square Heat transfer co-efficient is proportional to 0.8th power Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 2 to 2.5 0.5 to 1 1 to 1.5 1.5 to 2 2 to 2.5 0.5 to 1 1 to 1.5 1.5 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Facilitate handling of large flow rate of liquid Improve the flow condition Decrease the pressure drop Increase the residence time Facilitate handling of large flow rate of liquid Improve the flow condition Decrease the pressure drop Increase the residence time ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Both A & B Neither A nor B Circumferential Radial Both A & B Neither A nor B Circumferential Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? Overall plate efficiency Murphree plate efficiency Point efficiency None of these Overall plate efficiency Murphree plate efficiency Point efficiency None of these ANSWER DOWNLOAD EXAMIANS APP