Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 1.5-2.5 7.5-10.0 3.5-5.5 44119 1.5-2.5 7.5-10.0 3.5-5.5 44119 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Noise Temperature Turbulence Pressure/pressure fluctuation Noise Temperature Turbulence Pressure/pressure fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the Total cost considerations (pumping cost plus fixed cost of the pipe) Viscosity of the fluid None of these Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) Viscosity of the fluid None of these Density of the fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to I.D. of the shell 5 cms 40% of the I.D. of the shell 25 cms I.D. of the shell 5 cms 40% of the I.D. of the shell 25 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon Baffle spacing Pitch Clearance None of these Baffle spacing Pitch Clearance None of these ANSWER DOWNLOAD EXAMIANS APP
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