Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Twice Half Eight times Equal to Twice Half Eight times Equal to 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. Decreases None of these Remains same Increases Decreases None of these Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Does not affect the capacity Increases capacity Increases economy Both B & C Does not affect the capacity Increases capacity Increases economy Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 38 19 16 28 38 19 16 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Accidents in chemical plants are mostly due to Inadequate equipment design Improper layout of the equipments Failure of equipments Faulty operating procedures Inadequate equipment design Improper layout of the equipments Failure of equipments Faulty operating procedures ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by Decrease in gas solubility for absorbers All of these An increase in liquid viscosity An increase in relatived volatility for rectification columns Decrease in gas solubility for absorbers All of these An increase in liquid viscosity An increase in relatived volatility for rectification columns ANSWER DOWNLOAD EXAMIANS APP
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