MCQOPTIONS
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MCQOPTIONS
This section includes 19 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. |
Ratio heat transferred from 37oC to a colder body and from that body to – 11oC is 2, what is the temperature of colder body if surface areas are same for all bodies? |
| A. | – 5oC |
| B. | – 3oC |
| C. | 5oC |
| D. | 9oCView answer |
| Answer» D. 9oCView answer | |
| 2. |
Q amount of heat is transferred in an adiabatic process, which of the following is correct? |
| A. | Q > 0 |
| B. | Q = 0 |
| C. | Q < 0 |
| D. | Cannot sayView answer |
| Answer» C. Q < 0 | |
| 3. |
You shake a thermos so that the temperature of tea inside increases by 2oC, if you transferred Q amount of heat to the thermos, which of the following satisfies Q? |
| A. | Q > 0 |
| B. | Q < 0 |
| C. | Q = 0 |
| D. | Cannot sayView answer |
| Answer» D. Cannot sayView answer | |
| 4. |
A piston cylinder expands from 8 liter to 12 liter with the external pressure of 900 Pa, what is the work done on the system? |
| A. | 3.6 Joule |
| B. | – 3.6 Joule |
| C. | 7.2 Joule |
| D. | – 7.2 JouleView answer |
| Answer» C. 7.2 Joule | |
| 5. |
A piston cylinder expands with some pressure, what is the work done by the system? |
| A. | Positive |
| B. | Negative |
| C. | Zero |
| D. | Cannot SayView answer |
| Answer» B. Negative | |
| 6. |
A_PISTON_CYLINDER_EXPANDS_FROM_8_LITER_TO_12_LITER_WITH_THE_EXTERNAL_PRESSURE_OF_900_PA,_WHAT_IS_THE_WORK_DONE_ON_THE_SYSTEM??$ |
| A. | 3.6 Joule |
| B. | – 3.6 Joule |
| C. | 7.2 Joule |
| D. | – 7.2 Joule |
| Answer» C. 7.2 Joule | |
| 7. |
Q amount of heat is transferred in an adiabatic process, which of the following is correct?$ |
| A. | Q > 0 |
| B. | Q = 0 |
| C. | Q < 0 |
| D. | Cannot say |
| Answer» C. Q < 0 | |
| 8. |
You shake a thermos so that the temperature of tea inside increases by 2oC, if you transferred Q amount of heat to the thermos, which of the following satisfies Q?$ |
| A. | Q > 0 |
| B. | Q < 0 |
| C. | Q = 0 |
| D. | Cannot say |
| Answer» D. Cannot say | |
| 9. |
Ratio heat transferred from 37oC to a colder body and from that body to – 11oC is 2, what is the temperature of colder body if surface areas are same for all bodies?$ |
| A. | – 5<sup>o</sup>C |
| B. | – 3<sup>o</sup>C |
| C. | 5<sup>o</sup>C |
| D. | 9<sup>o</sup>C |
| Answer» D. 9<sup>o</sup>C | |
| 10. |
Temperature of a system is increased with no change in internal energy, if the work done by the system is 10 Joule, what amount of heat is taken out from the system? |
| A. | 10 J |
| B. | – 10 J |
| C. | 0 |
| D. | 5 J |
| Answer» C. 0 | |
| 11. |
Q amount of heat is transferred to a system, which of the following is correct? |
| A. | Q > 0 |
| B. | Q < 0 |
| C. | Q = 0 |
| D. | Cannot say |
| Answer» B. Q < 0 | |
| 12. |
A piston cylinder expands from 7 liter to 15 liter with the external pressure of 500 Pa, what is the work done by the system? |
| A. | – 1.5 Joule |
| B. | – 4 Joule |
| C. | 1.5 Joule |
| D. | 4 Joule |
| Answer» C. 1.5 Joule | |
| 13. |
A piston cylinder contracts from 10 Liter to 5 Liter with an external pressure of 10 Pa, what is the work done on the system? |
| A. | 0.5 mJ |
| B. | 5 mJ |
| C. | 10 mJ |
| D. | 50 mJ |
| Answer» E. | |
| 14. |
A piston cylinder is compressed with some pressure, what is the work done on the system? |
| A. | Positive |
| B. | Negative |
| C. | Zero |
| D. | Cannot say |
| Answer» B. Negative | |
| 15. |
An object moved forward 10 meters and then comes back 5 meter all with a constant force of 5 N, what is the work done by the force? |
| A. | 5 Joule |
| B. | 25 Joule |
| C. | 50 Joule |
| D. | 75 Joule |
| Answer» C. 50 Joule | |
| 16. |
An object is moved at a distance of 10 m with the force of 5 N, what is the work done by the force? |
| A. | 5 Joule |
| B. | 50 Joule |
| C. | 500 Joule |
| D. | 5000 Joule |
| Answer» C. 500 Joule | |
| 17. |
An object is moved from one position to another with a specific force, what type of work is it? |
| A. | Shaft Work |
| B. | Flow Work |
| C. | Mechanical Work |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 18. |
Which of the following process P-V work in highest? |
| A. | Second derivative is negative |
| B. | Second derivative is positive |
| C. | Second derivative is zero |
| D. | All of the mentioned |
| Answer» B. Second derivative is positive | |
| 19. |
Which of the following is not the type of energy? |
| A. | Enthalpy |
| B. | Heat |
| C. | Entropy |
| D. | Work |
| Answer» D. Work | |