MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 heat transferred from the system if the enthalpy of the output is 25 J and input is 10 J? |
| A. | t5 J |
| B. | t-5 J |
| C. | t15 J |
| D. | t-15 J |
| Answer» E. | |
| 2. |
What is the heat transferred from the system if the enthalpy of the output is 5 J and input is 10 J? |
| A. | t-5 J |
| B. | t-10 J |
| C. | t-15 J |
| D. | t5 J |
| Answer» E. | |
| 3. |
What is the heat transferred to the system if the enthalpy of the output is 15 J and input is 10 J? |
| A. | t1 J |
| B. | t2 J |
| C. | t4 J |
| D. | t5 J |
| Answer» E. | |
| 4. |
What is the heat transferred to the system if the enthalpy of the output is 14 J and input is 8 J? |
| A. | t4 J |
| B. | t6 J |
| C. | t8 J |
| D. | t10 J |
| Answer» C. t8 J | |
| 5. |
What is the heat transferred to the system if the enthalpy of the output is 10 J and input is 6 J? |
| A. | t4 J |
| B. | t5 J |
| C. | t6 J |
| D. | t8 J |
| Answer» B. t5 J | |
| 6. |
What is the enthalpy of the reaction from 50oC to 52oC if CP = 15 J/oC, and the reference enthalpy is 25 J? |
| A. | t10 J |
| B. | t35 J |
| C. | t55 J |
| D. | t65 J |
| Answer» D. t65 J | |
| 7. |
What is the enthalpy of the reaction from 15oC to 25oC if CP = 3 J/oC, and the reference enthalpy is 15 J? |
| A. | t15 J |
| B. | t30 J |
| C. | t45 J |
| D. | t60 J |
| Answer» D. t60 J | |
| 8. |
What is the enthalpy of the reaction from 10oC to 25oC if CP = 2 J/oC, and the reference enthalpy is 20 J? |
| A. | t50 J |
| B. | t60 J |
| C. | t75 J |
| D. | t90 J |
| Answer» B. t60 J | |
| 9. |
What is the enthalpy of the reaction from 10oC to 15oC if CP = 5 J/oC, and the reference enthalpy is 25 J? |
| A. | t25 J |
| B. | t50 J |
| C. | t75 J |
| D. | t100 J |
| Answer» C. t75 J | |
| 10. |
What is the enthalpy of the reaction from 25oC to 40oC if CP = 10 J/oC, and the reference enthalpy is 10 J? |
| A. | t80 J |
| B. | t120 J |
| C. | t160 J |
| D. | t200 J |
| Answer» D. t200 J | |
| 11. |
What is the enthalpy of a reaction, if the standard heat of formation of a compound is 10 J, sensible heat of the compound is 30 J, and latent heat of the compound is 20 J? |
| A. | t10 J |
| B. | t30 J |
| C. | t40 J |
| D. | t60 J |
| Answer» E. | |
| 12. |
What is the enthalpy of a reaction, if the standard heat of formation of a compound is 15 J, sensible heat of the compound is 25 J, and latent heat of the compound is 10 J? |
| A. | t25 J |
| B. | t40 J |
| C. | t50 J |
| D. | t65 J |
| Answer» D. t65 J | |
| 13. |
What is the enthalpy of a reaction, if the standard heat of formation of a compound is 15 J and sensible heat of the compound is 25 J? |
| A. | t15 J |
| B. | t25 J |
| C. | t40 J |
| D. | t50 J |
| Answer» D. t50 J | |
| 14. |
What is the enthalpy of a reaction, if the standard heat of formation of a compound is 10 J and sensible heat of the compound is 5 J? |
| A. | t0 |
| B. | t5 J |
| C. | t10 J |
| D. | t15 J |
| Answer» E. | |
| 15. |
How are enthalpies of streams calculated? |
| A. | tRelative to the reference state |
| B. | tAbsolutely |
| C. | tDepends on the reaction |
| D. | tNone of the mentioned |
| Answer» B. tAbsolutely | |