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 1.5 to 2 1 to 1.5 0.5 to 1 2 to 2.5 1.5 to 2 1 to 1.5 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
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 The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is pd/8t pd/t pd/4t pd/2t pd/8t pd/t pd/4t pd/2t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More in case of triangular pitch as compared to the square pitch tube layout Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter More than the tube diameter More in case of triangular pitch as compared to the square pitch tube layout Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter More than the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 6 mm 10 mm 8 mm 5 mm 6 mm 10 mm 8 mm 5 mm 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 Remains same Increases Decreases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Increases Decreases May increase or decrease depending upon the solubility of the gas in the liquid ANSWER DOWNLOAD EXAMIANS APP
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