Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 25 and 60 250 and 600 3 and 5 100 and 250 25 and 60 250 and 600 3 and 5 100 and 250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for High viscosity liquids (> 600 poise) None of these Low viscosity liquids (< 200 poise) Large diameter tanks High viscosity liquids (> 600 poise) None of these Low viscosity liquids (< 200 poise) Large diameter tanks ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 18 34 12 6 18 34 12 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 50 to 100 250 to 500 600 to 700 100 to 150 50 to 100 250 to 500 600 to 700 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is smaller Either A or B, whichever is larger 6% of I.D. 3 times the thickness Either A or B, whichever is smaller Either A or B, whichever is larger 6% of I.D. 3 times the thickness ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Can accomodate less number of tubes for a given shell diameter Results in higher shell side pressure drop Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Can accomodate less number of tubes for a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
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