Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 35-40 43961 15-20 30-35 35-40 43961 15-20 30-35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to None of these Hold baffle in space Fix the tubes in position Account for thermal strain None of these Hold baffle in space Fix the tubes in position Account for thermal strain ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed 0.5" -1.25" Half the tray spacing 2"-3.5" 5" 0.5" -1.25" Half the tray spacing 2"-3.5" 5" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a Neither A nor B Cap pitch of 1.3-2 times the cap diameter Clearance of 25-75 mm Either A or B Neither A nor B Cap pitch of 1.3-2 times the cap diameter Clearance of 25-75 mm Either A or B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method? Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid Heat of mixing of normal liquid is assumed to be zero Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Reflux is not a saturated liquid Heat of mixing of normal liquid is assumed to be zero 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 Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Feed is not at its bubble point Number of equilibrium stages in only stripping section is to be calculated ANSWER DOWNLOAD EXAMIANS APP