Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 34 24 18 6 34 24 18 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/10-1/15th 1/2 to 1/4th 1/5-1/10th 1/20-1/30th 1/10-1/15th 1/2 to 1/4th 1/5-1/10th 1/20-1/30th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/2t pd/3t pd/4t pd/t pd/2t pd/3t pd/4t pd/t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. None of these Increases Remains same Decreases None of these Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To reduce the induced vibration in the tubes To increase the residence time of shell side fluid To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To reduce the induced vibration in the tubes To increase the residence time of shell side fluid To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the outer surface At the inner surface None of these At the mid thickness of the cylindrical wall At the outer surface At the inner surface None of these At the mid thickness of the cylindrical wall ANSWER DOWNLOAD EXAMIANS APP
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