Fall 2022 Assignment 1 Total Mark: 35 Assignment Rules: For calculations, clearly show all your work step by step in an organized and logical order. Also, show the meaning and the unit of your results. Due Date: Thursday August 18, 2022 @ 11:59 PM via “Dropbox” or email at mazhar.hasanzia@udst.edu.qa 10 ?duction per day for late submission. Zero mark will be given for plagiarism or copy work of others. Name Student ID Name Student ID Name Student ID This study source was downloaded by 100000840858457 from CourseHero.com on 09-14-2022 16:33:49 GMT -05:00 https://www.coursehero.com/file/162427713/AECH-2111-Assignment-1-Fall-2022docx/ Question 1: In a pulp mill, wet pulp enters a dryer with a moisture content of 45%. The other 55% is dry fiber. As it passes through the dryer, water is evaporated. The moisture content of the material leaving the dryer is 12.5%. If 1000 kg (in total) enter the dryer: (10 marks) a) How many kilograms of water are evaporated? b) How many kilograms of dried pulp are produced? Draw BFD of the process, label it and show all the steps for calculation This study source was downloaded by 100000840858457 from CourseHero.com on 09-14-2022 16:33:49 GMT -05:00 https://www.coursehero.com/file/162427713/AECH-2111-Assignment-1-Fall-2022docx/ Question 2: Cement is produced by roasting raw materials at high temperature in a rotating kiln. 1000 kg/min of raw material enters the kiln, producing 700 kg/min of cement. It is known that gaseous by-products are produced during roasting. From the data, determine the gases emission mass flow rate. (10 marks) Draw BFD of the process, label it and show all the steps for calculation

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