MATERIAL BALANCES WITHOUT CHEMICAL REACTIONS TEST 1

Question 1 of 30

1. Question

1 points

A 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.

Question 2 of 30

2. Question

1 points

A 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

Question 3 of 30

3. Question

1 points

Question 4 of 30

4. Question

1 points

AN 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.

Question 5 of 30

5. Question

1 points

AN 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

Question 6 of 30

6. Question

1 points

AN 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

Question 7 of 30

7. Question

1 points

Question 8 of 30

8. Question

1 points

Question 9 of 30

9. Question

1 points

THE 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.

Question 10 of 30

10. Question

1 points

Question 11 of 30

11. Question

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Question 12 of 30

12. Question

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Question 13 of 30

13. Question

1 points

Question 14 of 30

14. Question

1 points

it 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

Question 15 of 30

15. Question

1 points

Question 16 of 30

16. Question

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Question 17 of 30

17. Question

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Question 18 of 30

18. Question

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Question 19 of 30

19. Question

1 points

Question 20 of 30

20. Question

1 points

Question 21 of 30

21. Question

1 points

Question 22 of 30

22. Question

1 points

Question 23 of 30

23. Question

1 points

Question 24 of 30

24. Question

1 points

Question 25 of 30

25. Question

1 points

wet 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

Question 26 of 30

26. Question

1 points

wet 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

Question 27 of 30

27. Question

1 points

wet 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.