Process Equipment and Plant Design What is the slope of the operating line in the rectifying section of a distillation coloumn? > 1 ∞ > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 3 Considerably less than 9 Considerably more than 9 About 9 About 3 Considerably less than 9 Considerably more than 9 About 9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum baffle height should be Equal to the impeller diameter Twice the impeller diameter 3/4 of the tank height Twice the tank diameter Equal to the impeller diameter Twice the impeller diameter 3/4 of the tank height Twice the tank diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 1 ∞ 20.8 2 1 ∞ 20.8 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Higher Lower Same Unpredictable Higher Lower Same Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. 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 Disk and doughnut baffle is the most commonly used baffle ANSWER DOWNLOAD EXAMIANS APP