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MATERIAL BALANCES WITHOUT CHEMICAL REACTIONS TEST 1
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Question 1 of 30
1. Question
1 pointsA SINGLE EFFECT EVAPORATOR IS FED WITH 10000 kg/h OF WEAK LIQUOR CONTAINING 15% CAUSTIC BY WEIGHT AND IS CONCENTRATED TO GET THICK LIQUOR CONTAINING 40% BY WEIGHT CAUSTIC (NaOH). CALCULATE kg/h OF WATER EVAPORATED.
Correct
Incorrect
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Question 2 of 30
2. Question
1 pointsA SINGLE EFFECT EVAPORATOR IS FED WITH 10000 kg/h OF WEAK LIQUOR CONTAINING 15% CAUSTIC BY WEIGHT AND IS CONCENTRATED TO GET THICK LIQUOR CONTAINING 40% BY WEIGHT CAUSTIC (NaOH). CALCULATE kg/h OF THICK LIQUOR OBTAINED
Correct
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Question 3 of 30
3. Question
1 pointsCorrect
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Question 4 of 30
4. Question
1 pointsAN EVAPORATOR IS FED WITH 15000 Kg/h OF A SOLUTION CONTAINING 10% NaCl, 15% NaOH AND REST WATER. IN THE OPERATION, WATER IS EVAPORATED AND NaCl IS PRECIPItATED AS CRYSTALS. THE THICK LIQUOR LEAVING THE EVAPORATOR CONTAINS 45% NaOH, 2% NaCl AND REST WATER. CALCULATE kg/h WATER EVAPORATED.
Correct
Incorrect
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Question 5 of 30
5. Question
1 pointsAN EVAPORATOR IS FED WITH 15000 Kg/h OF A SOLUTION CONTAINING 10% NaCl, 15% NaOH AND REST WATER. IN THE OPERATION, WATER IS EVAPORATED AND NaCl IS PRECIPItATED AS CRYSTALS. THE THICK LIQUOR LEAVING THE EVAPORATOR CONTAINS 45% NaOH, 2% NaCl AND REST WATER. CALCULATE kg/h SALT PRECIPITATED
Correct
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Question 6 of 30
6. Question
1 pointsAN EVAPORATOR IS FED WITH 15000 Kg/h OF A SOLUTION CONTAINING 10% NaCl, 15% NaOH AND REST WATER. IN THE OPERATION, WATER IS EVAPORATED AND NaCl IS PRECIPItATED AS CRYSTALS. THE THICK LIQUOR LEAVING THE EVAPORATOR CONTAINS 45% NaOH, 2% NaCl AND REST WATER. CALCULATE kg/h THICK LIQUOR
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Question 7 of 30
7. Question
1 pointsCorrect
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Question 8 of 30
8. Question
1 pointsCorrect
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Question 9 of 30
9. Question
1 pointsTHE DILUTE ACID CONTAINING 25% H2SO4 IS CONCENTRATED BY COMMERCIAL GRADE SULPHURIC ACID CONTAINING 98% H2SO4 TO OBTAIN DESIRED ACID CONTAINING 65% H2SO4. FIND THE QUANTITIES OF THE ACIDS REQUIRED TO MAKE 1000 KG OF DESIRED ACID.
Correct
commercial grade acid required =548 kg
Incorrect
commercial grade acid required =548 kg
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Question 10 of 30
10. Question
1 pointsCorrect
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Question 11 of 30
11. Question
1 pointsCorrect
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Question 12 of 30
12. Question
1 pointsCorrect
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Question 13 of 30
13. Question
1 pointsCorrect
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Question 14 of 30
14. Question
1 pointsit is desired to have a mixed acid containing 40% HNO3, 43% H2SO4, and 17% H2O, by weight. sulphuric acid of 98% by weight is readily available. calculate the weight ratio of sulphuric acid to nitric acid
Correct
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Question 15 of 30
15. Question
1 pointsCorrect
y=1000 -489.4=510.6 kg/h
distillate flow rate =489.4 kg/h
bottom product flow rate =510.6 kg/h
Incorrect
y=1000 -489.4=510.6 kg/h
distillate flow rate =489.4 kg/h
bottom product flow rate =510.6 kg/h
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Question 16 of 30
16. Question
1 pointsCorrect
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Question 17 of 30
17. Question
1 pointsCorrect
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Question 18 of 30
18. Question
1 pointsCorrect
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Question 19 of 30
19. Question
1 pointsCorrect
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Question 20 of 30
20. Question
1 pointsCorrect
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Question 21 of 30
21. Question
1 pointsCorrect
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Question 22 of 30
22. Question
1 pointsCorrect
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Question 23 of 30
23. Question
1 pointsCorrect
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Question 24 of 30
24. Question
1 pointsCorrect
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Question 25 of 30
25. Question
1 pointswet solids containing 20% water is sent through a dryer in which 80% of the water is removed. Based on 100 kg of feed, if 1000 kg per day wet solids are fed to the dryer, find the weight ratio of water removed to wet solids leaving the dryer
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Question 26 of 30
26. Question
1 pointswet solids containing 20% water is sent through a dryer in which 80% of the water is removed. Based on 100 kg of feed, calculate the weight ratio of water removed to wet solids leaving the dryer
Correct
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Question 27 of 30
27. Question
1 pointswet solids containing 20% water is sent through a dryer in which 80% of the water is removed. Based on 100 kg of feed, if 1000 kg per day wet solids are fed to the dryer, find the additional water to be removed to dry the solids completely.
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Question 28 of 30
28. Question
1 pointsCorrect
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Question 29 of 30
29. Question
1 pointsCorrect
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Question 30 of 30
30. Question
1 pointsCorrect
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