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 44119 7.5-10.0 3.5-5.5 1.5-2.5 44119 7.5-10.0 3.5-5.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is More Less Same Cither A or B; depends upon the I.D. of the pipe More Less Same Cither A or B; depends upon the I.D. of the pipe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)2/3 (1.2)3/2 (1.2)3/5 (1.2)5/3 (1.2)2/3 (1.2)3/2 (1.2)3/5 (1.2)5/3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of industrial paddle agitator ranges from __________ rpm. 20 to 100 1000 to 2000 1 to 5 500 to 750 20 to 100 1000 to 2000 1 to 5 500 to 750 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Rpm All of these Slope & length Flights arrangement Rpm All of these Slope & length Flights arrangement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.65 to 0.80 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 0.65 to 0.80 0.3 to 0.5 0.5 to 0.6 0.1 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
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