Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Flights arrangement Slope & length All of these Rpm Flights arrangement Slope & length All of these Rpm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 10 to 20 20 to 30 1 to 2 4 to 10 10 to 20 20 to 30 1 to 2 4 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be D √(2πd) √(2d) √d D √(2πd) √(2d) √d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hold up of material in a operating rotary drier is in the range of 0.25 to 0.50 0.05 to 0.15 0.8 to 0.9 0.5 to 0.8 0.25 to 0.50 0.05 to 0.15 0.8 to 0.9 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
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 3.5-5.5 7.5-10.0 1.5-2.5 44119 3.5-5.5 7.5-10.0 1.5-2.5 44119 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 Reducing scale deposition Fixing the tubes Increasing pressure drop Creating turbulence Reducing scale deposition Fixing the tubes Increasing pressure drop Creating turbulence ANSWER DOWNLOAD EXAMIANS APP
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