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This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate F combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate D and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate P, what is the percentage of nitrogen in product? |
A. | 10% |
B. | 20% |
C. | 30% |
D. | Cannot be determinedView answer |
Answer» E. | |
2. |
CH4 at the rate 10 mole/min is reacted with O2 at the rate 30 mole/min, what is the rate of formation of CO2 in the product? |
A. | 5 mole/min |
B. | 10 mole/min |
C. | 20 mole/min |
D. | 40 mole/minView answer |
Answer» C. 20 mole/min | |
3. |
CH4 at the rate 10 mole/min is reacted with O2 at the rate 10 mole/min, what is the rate of formation of CO2 in the product? |
A. | 5 mole/min |
B. | 10 mole/min |
C. | 20 mole/min |
D. | 40 mole/minView answer |
Answer» B. 10 mole/min | |
4. |
Solution-1 containing 20% w1 and w2 at the rate 10 Kg/min combines with Solution-2 containing 10% w1, 20% w2 and w3 at the rate 20 Kg/min, the product formed contains and 10% w1, 30% w2 and 20% w3, what is the percentage of w2 in solution-1? |
A. | 5% |
B. | 10% |
C. | 25% |
D. | 50%View answer |
Answer» E. | |
5. |
Evaluate 5793405 x 99999 |
A. | 579334706505 |
B. | 570334706595 |
C. | 579334346595 |
D. | 579334706595 |
Answer» E. | |
6. |
Rahul invests his savings, which is Rs. 25,000 in his bank that pays 7 per cent annual interest. How much will he earn by way of interest in one year? |
A. | Rs. 1,500 |
B. | Rs. 1,800 |
C. | Rs. 1,750 |
D. | Rs. 1,675 |
Answer» D. Rs. 1,675 | |
7. |
Aravind and Biswanath start at the same time from their hostel and go to the ground with speeds of 30 km/h and 60 km/h, respectively. If Aravind takes 20 minutes longer than Biswanath to reach the ground, then find the distance between their hostel and the ground. |
A. | 28 km |
B. | 34 km |
C. | 40 km |
D. | 20 km |
Answer» E. | |
8. |
In a company there are 3 departments - IT, HR and Help Desk. In the IT department there are 125 employees and in the HR department the number of employees is 1/5th of IT. The helpdesk department has 20 employees less than total employees in IT and HR together. What is the total number of employees working in all three departments? |
A. | 150 |
B. | 170 |
C. | 280 |
D. | 180 |
Answer» D. 180 | |
9. |
CH4_AT_THE_RATE_10_MOLE/MIN_IS_REACTED_WITH_O2_AT_THE_RATE_30_MOLE/MIN,_WHAT_IS_THE_RATE_OF_FORMATION_OF_CO2_IN_THE_PRODUCT??$ |
A. | 5 mole/min |
B. | 10 mole/min |
C. | 20 mole/min |
D. | 40 mole/min |
Answer» C. 20 mole/min | |
10. |
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate P, what is the percentage of nitrogen in product? |
A. | 10% |
B. | 17.5% |
C. | 25.5% |
D. | 32.5% |
Answer» C. 25.5% | |
11. |
Solution-1 containing 30% acetic acid and 100% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate 30 Kg/min the product formed contains 20% acetic acid, what is the percentage of nitrogen in product? |
A. | 10% |
B. | 20% |
C. | 30% |
D. | Cannot be determined |
Answer» B. 20% | |
12. |
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate F combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate D and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate 10 Kg/min, what is the percentage of nitrogen in product? |
A. | 10% |
B. | 20% |
C. | 30% |
D. | Cannot be determined |
Answer» E. | |
13. |
CH4 at the rate 10 mole/min is reacted with O2 at the rate 10 mole/min, what is the rate of formation of CO2 in the product? |
A. | 5 mole/min |
B. | 10 mole/min |
C. | 20 mole/min |
D. | 40 mole/min |
Answer» B. 10 mole/min | |
14. |
Solution-1 containing 20% w1 and w2 at the rate 10 Kg/min combines with Solution-2 containing 10% w1, 20% w2 and w3 at the rate 20 Kg/min, the product formed contains and 10% w1, 30% w2 and 20% w3, what is the percentage of w2 in solution-1? |
A. | 5% |
B. | 10% |
C. | 25% |
D. | 50% |
Answer» E. | |
15. |
Solution-1 containing 40% acetic acid and 20% carbon dioxide at the rate F combines with Solution-2 containing 20% acetic acid and 40% carbon dioxide at the rate D, the product formed contains 30% acetic acid at the rate P, what is the percentage of carbon dioxide in product? |
A. | 10% |
B. | 20% |
C. | 30% |
D. | 40% |
Answer» D. 40% | |
16. |
Solution-1 containing 40% nitric acid and 20% carbon dioxide at the rate F combines with Solution-2 containing 30% nitric acid and 40% carbon dioxide at the rate D, the product formed contains 30% nitric acid and 20% carbon dioxide at the rate P, If P = xF what is x? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
17. |
Solution-1 containing 10% hydrochloric acid and 20% acetic acid at the rate F combines with Solution-2 containing 20% hydrochloric acid and 30% acetic acid at the rate D, the product formed contains 20% hydrochloric acid and 30% acetic acid at the rate P, how many independent equations containing F, D, and P are possible? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
18. |
Solution-1 containing 10% nitric acid and 20% acetic acid at the rate F combines with Solution-2 containing 20% nitric acid and 10% acetic acid at the rate D, the product formed contains 30% nitric acid and 20% acetic acid at the rate P, how many independent equations containing F, D, and P are possible? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» D. 4 | |
19. |
Solution-1 containing 10% nitric acid flowing at the rate 10 Kg/min combines with Solution-2 containing 40% nitric acid flowing at the rate 5 Kg/min, if their product contains 30% nitric acid, what is the flow rate of product? |
A. | 10 Kg/min |
B. | 20 Kg/min |
C. | 30 Kg/min |
D. | 40 Kg/min |
Answer» B. 20 Kg/min | |
20. |
Solution-1 containing 30% sulfuric acid flowing at the rate 10 Kg/min combines with Solution-2 containing 20% sulfuric acid flowing at the rate 5 Kg/min, if their product is out at the rate 20 Kg/min what is the percentage of sulfuric acid in the product? |
A. | 10% |
B. | 20% |
C. | 30% |
D. | 40% |
Answer» C. 30% | |
21. |
Solution-1 at the rate F combines with solution-2 at the rate D, their combination gives the product at the rate P, what is the equation of material balance? |
A. | F + D = P |
B. | F – P = D |
C. | D – F = P |
D. | None of the mentioned |
Answer» B. F ‚Äö√Ñ√∂‚àö√ë‚àö¬® P = D | |