MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 to 2 Kg and 5 m3 of a rigid system, with change in enthalpy 5 J/Kg? |
| A. | t5 J |
| B. | t10 J |
| C. | t15 J |
| D. | t20 J |
| Answer» C. t15 J | |
| 2. |
In a 3 stage process Q1 = 10 J, Q2= 15 J, Q3 = 25 J, if E1 = 15J and E3 = 10 J, what is the work done in second stage, if the total E is 30 J? |
| A. | t5 J |
| B. | t10 J |
| C. | t15 J |
| D. | t20 J |
| Answer» E. | |
| 3. |
In a 2 stage process Q1 = 5 J, Q2 = 10 J, if the change in internal energy in first stage is 10 J and the total change in internal energy is 20 J, what is the work do done in second stage? |
| A. | t0 |
| B. | t5 J |
| C. | t10 J |
| D. | t 5 J |
| Answer» B. t5 J | |
| 4. |
5 Kg of steam is enclosed in a container with internal energy = 10 J/Kg, then 25 J of heat is supplied to the system, what is the final internal energy? |
| A. | t5 J/Kg |
| B. | t10 J/Kg |
| C. | t15 J/Kg |
| D. | t20 J/Kg |
| Answer» C. t15 J/Kg | |
| 5. |
2 Kg of steam is enclosed in a container with internal energy = 5 J/Kg, then 5 J of heat is supplied to the system, what is the final internal energy? |
| A. | t7.5 J/ Kg |
| B. | t15 J/Kg |
| C. | t22.5 J/Kg |
| D. | t30 J/Kg |
| Answer» B. t15 J/Kg | |
| 6. |
5 J of work is done by the system, if the change in internal energy of the system is 10 J, what is the heat supplied to the system? |
| A. | t 5 J |
| B. | t5 J |
| C. | t 15 J |
| D. | t15 J |
| Answer» E. | |
| 7. |
10 J of heat is supplied and 3 J is taken out, if the change in internal energy of the system is 5 J, what is the work done on the system? |
| A. | t2 J |
| B. | t 2 J |
| C. | t5 J |
| D. | t 5 J |
| Answer» C. t5 J | |
| 8. |
5 J of heat is taken out of the system and 20 J of work is done on the system, what is the change in internal energy of the system? |
| A. | t5 J |
| B. | t10 J |
| C. | t15 J |
| D. | t20 J |
| Answer» D. t20 J | |
| 9. |
15 J of heat is supplied to a system and system does 5 J of work, what is the change in internal energy? |
| A. | t5 J |
| B. | t10 J |
| C. | t15 J |
| D. | t20 J |
| Answer» C. t15 J | |
| 10. |
10 J of heat and 5 J of work are supplied to the system, what is the change in internal energy? |
| A. | t5 J |
| B. | t10 J |
| C. | t15 J |
| D. | t20 J |
| Answer» D. t20 J | |