Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. Disk and doughnut baffle is the most commonly used baffle The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell The minimum value of baffle spacing is 50 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser Vapour & liquid load both Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of linear stress to linear strain is termed as the Modulus of elasticity None of these Modulus of rigidity Bulk modulus Modulus of elasticity None of these Modulus of rigidity Bulk modulus ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.9 (0.8)0.5 0.8 1 0.9 (0.8)0.5 0.8 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Nominal size of a pipe is an indication of its __________ diameter. Inner Approximate None of these Outer Inner Approximate None of these Outer ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The force due to wind load acting on a tall vessel depends upon its All of these Shape Outside diameter Height All of these Shape Outside diameter Height ANSWER DOWNLOAD EXAMIANS APP
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