Process Equipment and Plant Design The maximum liquid gradient over a tray must not exceed Half the tray spacing 0.5" -1.25" 2"-3.5" 5" Half the tray spacing 0.5" -1.25" 2"-3.5" 5" ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 16/NRe f = 0.04/NRe0.16 f = 25/NRe f = 0.22 NRe0.05 f = 16/NRe f = 0.04/NRe0.16 f = 25/NRe f = 0.22 NRe0.05 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design for couplings and unions would be 350 60 200 Negligible 350 60 200 Negligible ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow Less than that for fluid flow D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively) Same as that for fluid flow More than that for fluid flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for High viscosity liquids (> 600 poise) None of these Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these Large diameter tanks Low viscosity liquids (< 200 poise) 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 provide support to the tube bundle To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid To provide support to the tube bundle To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
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