Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 50-75 200-250 750-1000 25-50 50-75 200-250 750-1000 25-50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 2 43834 43832 4 2 43834 43832 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.95 0.99 0.8 0.55 0.95 0.99 0.8 0.55 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress. Compressive Tensile Shear Thermal Compressive Tensile Shear Thermal 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 All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns All of these An increase in liquid viscosity Decrease in gas solubility for absorbers An increase in relatived volatility for rectification columns 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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