Process Equipment and Plant Design A stuffing box is used for Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts Reducing the resistance of fluid flow Facilitating smooth opening and closing of a valve Absorbing the contraction/expansion of pipeline due to temperature changes Prevention of fluid leakage around moving parts 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. 6 34 12 18 6 34 12 18 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Liquor is inside the tube while the steam is outside the tube All of these Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube Liquor is inside the tube while the steam is outside the tube All of these Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Seamless pipe is made From rolled strips formed into cylinders and seam-welded By extrusion & casting into static and centrifugal molds Both B and C By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing From rolled strips formed into cylinders and seam-welded By extrusion & casting into static and centrifugal molds Both B and C By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the Temperature stresses Axial tensile stress in the pipe Forces exerted by static and dynamic action at bends Circumferential pipewall tension Temperature stresses Axial tensile stress in the pipe Forces exerted by static and dynamic action at bends Circumferential pipewall tension ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
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