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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 final enthalpy of the solution made by mixing 5 grams of solution A having enthalpy 20 J with 15 grams of solution B having enthalpy 40 J? |
A. | t10 J |
B. | t20 J |
C. | t25 J |
D. | t35 J |
Answer» E. | |
2. |
What is the final enthalpy of the solution made by mixing 20 grams of solution A having enthalpy 5 J with 5 grams of solution B having enthalpy 10 J? |
A. | t2 J |
B. | t4 J |
C. | t6 J |
D. | t7 J |
Answer» D. t7 J | |
3. |
What is the final enthalpy of the solution made by mixing 10 grams of solution A having enthalpy 10 J with 40 grams of solution B having enthalpy 30 J? |
A. | t14 J |
B. | t18 J |
C. | t22 J |
D. | t26 J |
Answer» E. | |
4. |
What is the final enthalpy of the solution made by mixing 100 grams of 10% NaOH having enthalpy 40 J with 300 grams of 90% NaOH having enthalpy 20 J? |
A. | t10 J |
B. | t15 J |
C. | t25 J |
D. | t40 J |
Answer» D. t40 J | |
5. |
Enthalpy-Concentration diagram represents which type of solution? |
A. | tBinary |
B. | tTertiary |
C. | tQuaternary |
D. | tNone of the mentioned |
Answer» B. tTertiary | |
6. |
What is the heat transferred from 2 mole of the system if the output sensible heat is 3 J/mole, input sensible heat is 2 J/mole, and heat of solution is 2 J/mole? |
A. | t2 J |
B. | t3 J |
C. | t5 J |
D. | t6 J |
Answer» E. | |
7. |
What is the heat transferred from 5 mole of the system if the output sensible heat is 1 J/mole, input sensible heat is 3 J/mole, and heat of solution is 4 J/mole? |
A. | t0 |
B. | t5 J |
C. | t10 J |
D. | t20 J |
Answer» D. t20 J | |
8. |
What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 20 J, and heat of solution is 10 J? |
A. | t-10 J |
B. | t-5 J |
C. | t0 |
D. | t10 J |
Answer» C. t0 | |
9. |
What is the heat transferred from the system if the output sensible heat is 5 J, input sensible heat is 25 J, and heat of solution is 20 J? |
A. | t0 |
B. | t5 J |
C. | t10 J |
D. | t15 J |
Answer» B. t5 J | |
10. |
What is the heat transferred from the system if the output sensible heat is 10 J, input sensible heat is 15 J, and heat of solution is 20 J? |
A. | t10 J |
B. | t15 J |
C. | t20 J |
D. | t25 J |
Answer» C. t20 J | |
11. |
What is the heat of dissolution if the heat of reaction is 10 J in the energy balance? |
A. | t-10 J |
B. | t10 J |
C. | t0 |
D. | tCannot be determined |
Answer» B. t10 J | |
12. |
Which of the following is required for the calculation of heat of reaction in the energy balance? |
A. | tHeat of solution at reference state |
B. | tHeat of dissolution at reference state |
C. | tHeat of formation |
D. | tAll of the mentioned |
Answer» E. | |
13. |
How is the graph of the heat of solution and dilution? |
A. | tStraight Line |
B. | tCurve with finite heat of solution at infinite dilution |
C. | tCurve with Infinite heat of solution at infinite dilution |
D. | tNone of the mentioned |
Answer» C. tCurve with Infinite heat of solution at infinite dilution | |
14. |
What is required in the calculation of heat of reaction in the energy balance of mixing? |
A. | tHeat of formation |
B. | tSensible Heat |
C. | tLatent heat |
D. | tAll of the mentioned |
Answer» B. tSensible Heat | |
15. |
What is the heat of solution in the energy balance? |
A. | tHeat of dissolution |
B. | tHeat of reaction |
C. | tHeat of formation |
D. | tNone of the mentioned |
Answer» C. tHeat of formation | |