Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 5 to 10 40 to 50 15 to 30 55 to 75 5 to 10 40 to 50 15 to 30 55 to 75 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 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 Decrease in gas solubility for absorbers All of these An increase in liquid viscosity 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 Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction? Mild steel Rimmed still Killed steel Semi-killed steel Mild steel Rimmed still Killed steel Semi-killed steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the agitators, the power required will be changed with the increase of diameter of agitator (D) as D² D⁵ D⁹ D D² D⁵ D⁹ D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop per tray in the atmospheric distillation column is about __________ psi. 0.01 - 0.5 43833 0.5 - 1.0 0.07 - 0.12 0.01 - 0.5 43833 0.5 - 1.0 0.07 - 0.12 ANSWER DOWNLOAD EXAMIANS APP
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