Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Fixing the tubes Reducing scale deposition Creating turbulence Increasing pressure drop Fixing the tubes Reducing scale deposition Creating turbulence Increasing pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of electrostatic precipitator increases with increase in the Electrode area Neither A nor B Gas flow rate Both A & B Electrode area Neither A nor B Gas flow rate Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 20.8 None of these 20.2 2 20.8 None of these 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time Improve the flow condition Facilitate handling of large flow rate of liquid Decrease the pressure drop Increase the residence time ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator. The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling Downtake is formed by the annular space between the bundle and the shell There is no central downtake The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling Downtake is formed by the annular space between the bundle and the shell There is no central downtake ANSWER DOWNLOAD EXAMIANS APP