Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 40% of the I.D. of the shell 25 cms 5 cms I.D. of the shell 40% of the I.D. of the shell 25 cms 5 cms I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 20 10 30 5 20 10 30 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell Remains same throughout May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Increases upwards Decreases upwards Remains same throughout May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell Increases upwards Decreases upwards ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 10 to 20 30 to 40 1 to 5 40 to 50 10 to 20 30 to 40 1 to 5 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.55 0.95 0.75 0.85 0.55 0.95 0.75 0.85 ANSWER DOWNLOAD EXAMIANS APP