MCQOPTIONS
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MCQOPTIONS
This section includes 18 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. |
What is the humid volume of the system at 100oF with humidity 20%? |
| A. | 18.6 ft3/lb |
| B. | 22.4 ft3/lb |
| C. | 26.5 ft3/lb |
| D. | 29.4 ft3/lbView answer |
| Answer» B. 22.4 ft3/lb | |
| 2. |
Which of the following is the summation of a volume of 1 Kg of dry air and the water vapor in the air? |
| A. | Humid volume |
| B. | Partial volume |
| C. | Dry volume |
| D. | None of the mentionedView answer |
| Answer» B. Partial volume | |
| 3. |
What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 25 J), if the humidity is 20%? |
| A. | 15 J |
| B. | 20 J |
| C. | 25 J |
| D. | 30 JView answer |
| Answer» B. 20 J | |
| 4. |
What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 15 J), if the humidity is 60%? |
| A. | 10 J |
| B. | 14 J |
| C. | 19 J |
| D. | 23 JView answer |
| Answer» D. 23 JView answer | |
| 5. |
What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 15 J), if the humidity is 40%? |
| A. | 16 J |
| B. | 20 J |
| C. | 24 J |
| D. | 32 JView answer |
| Answer» B. 20 J | |
| 6. |
What is the specific humidity, if pressure of water is 2 atm and total pressure is 12 atm? |
| A. | 20% |
| B. | 40% |
| C. | 50% |
| D. | 80%View answer |
| Answer» E. | |
| 7. |
WHAT_IS_THE_HUMID_HEAT_OF_A_MIXTURE_OF_AIR_(CP_=_10_J)_WITH_WATER_VAPOR_(CP_=_25_J),_IF_THE_HUMIDITY_IS_20%??$ |
| A. | 15 J |
| B. | 20 J |
| C. | 25 J |
| D. | 30 J |
| Answer» B. 20 J | |
| 8. |
What is the humid volume of the system at 100oF with humidity 20%?$ |
| A. | 18.6 ft3/lb |
| B. | 22.4 ft3/lb |
| C. | 26.5 ft3/lb |
| D. | 29.4 ft3/lb |
| Answer» B. 22.4 ft3/lb | |
| 9. |
Which of the following is the summation of a volume of 1 Kg of dry air and the water vapor in the air?$ |
| A. | Humid volume |
| B. | Partial volume |
| C. | Dry volume |
| D. | None of the mentioned |
| Answer» B. Partial volume | |
| 10. |
What is the humid volume of the system at 300oF with humidity 30%? |
| A. | 15.5 ft3/lb |
| B. | 28.4 ft3/lb |
| C. | 39.8 ft3/lb |
| D. | 55.2 ft3/lb |
| Answer» C. 39.8 ft3/lb | |
| 11. |
What is the humid volume of the system at 150oF with humidity 50%? |
| A. | 12.4 ft3/lb |
| B. | 19.5 ft3/lb |
| C. | 27.7 ft3/lb |
| D. | 36.1 ft3/lb |
| Answer» D. 36.1 ft3/lb | |
| 12. |
What is the humid volume of the system at 200oF with humidity 40%? |
| A. | 14.2 ft3/lb |
| B. | 23.4 ft3/lb |
| C. | 29.5 ft3/lb |
| D. | 31.6 ft3/lb |
| Answer» E. | |
| 13. |
What is the humid heat of a mixture of air (CP = 20 J) with water vapor (CP = 30 J), if the humidity is 40%? |
| A. | 24 J |
| B. | 32 J |
| C. | 38 J |
| D. | 44 J |
| Answer» C. 38 J | |
| 14. |
What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 20 J), if the humidity is 25%? |
| A. | 10 J |
| B. | 15 J |
| C. | 20 J |
| D. | 25 J |
| Answer» C. 20 J | |
| 15. |
What is the specific humidity, if moles of water are 4 and total moles are 5? |
| A. | 20% |
| B. | 80% |
| C. | 200% |
| D. | 400% |
| Answer» E. | |
| 16. |
What is the specific humidity, if pressure of water is 5 atm and total pressure is 10 atm? |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 100% |
| Answer» E. | |
| 17. |
What is the specific humidity, if the mass of water is 15 g and mass of bone dry air is 25 g? |
| A. | 10% |
| B. | 30% |
| C. | 40% |
| D. | 60% |
| Answer» E. | |
| 18. |
What is the specific humidity, if the mass of water is 10 g and mass of bone dry air is 20 g? |
| A. | 10% |
| B. | 30% |
| C. | 50% |
| D. | 80% |
| Answer» D. 80% | |