Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL σh = σL/2 σh = 2 σL No relation exists σh = σL σh = σL/2 σh = 2 σL No relation exists ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger? Disk and doughnut baffle 25% cut segmental baffle 75% cut segmental baffle Orifice baffle Disk and doughnut baffle 25% cut segmental baffle 75% cut segmental baffle Orifice baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method Is more accurate in finding the number of equilibrium stages Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method Accounts for the enthalpy changes in the process All of these Is more accurate in finding the number of equilibrium stages Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method Accounts for the enthalpy changes in the process All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the 'tube pitch' is defined as the O.D. of the tube for square pitch None of these Shortest distance between two adj acent tube holes Shortest centre to centre distance between adjacent tubes O.D. of the tube for square pitch None of these Shortest distance between two adj acent tube holes Shortest centre to centre distance between adjacent tubes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure Increases Remains same May increase or decrease depending upon the solubility of the gas in the liquid Decreases Increases Remains same May increase or decrease depending upon the solubility of the gas in the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always < 1 1 Equal to the order of reaction >1 < 1 1 Equal to the order of reaction >1 ANSWER DOWNLOAD EXAMIANS APP
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