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 efficiency of a heat engine with heat input 20 J and work output 5 J? |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 100%View answer |
| Answer» B. 50% | |
| 2. |
What is the efficiency of a heat engine with heat input 10 J and work output 7 J? |
| A. | 30% |
| B. | 70% |
| C. | 100% |
| D. | 140%View answer |
| Answer» C. 100% | |
| 3. |
What is the efficiency of the system, if the actual work input from the process is 20 J and work input for a reversible process is 25 J? |
| A. | 20% |
| B. | 80% |
| C. | 125% |
| D. | 150%View answer |
| Answer» D. 150%View answer | |
| 4. |
What is the efficiency of the system, if the actual work output from the process is 15 J and work output for a reversible process is 20 J? |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 100%View answer |
| Answer» D. 100%View answer | |
| 5. |
Energy out and Energy in of a system are 15 J and 25 J respectively, what is the efficiency of the system? |
| A. | 40% |
| B. | 60% |
| C. | 80% |
| D. | 110%View answer |
| Answer» C. 80% | |
| 6. |
Energy out and Energy in of a system are 40 J and 25 J respectively, what is the efficiency of the system? |
| A. | 40% |
| B. | 80% |
| C. | 160% |
| D. | 200%View answer |
| Answer» D. 200%View answer | |
| 7. |
Energy out and Energy in of a system are 10 J and 20 J respectively, what is the efficiency of the system? |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50%View answer |
| Answer» E. | |
| 8. |
WHAT_IS_THE_EFFICIENCY_OF_THE_SYSTEM,_IF_THE_ACTUAL_WORK_INPUT_FROM_THE_PROCESS_IS_20_J_AND_WORK_INPUT_FOR_A_REVERSIBLE_PROCESS_IS_25_J??$ |
| A. | 20% |
| B. | 80% |
| C. | 125% |
| D. | 150% |
| Answer» D. 150% | |
| 9. |
What is the efficiency of a heat engine with heat input 20 J and work output 5 J?$ |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 100% |
| Answer» B. 50% | |
| 10. |
What is the efficiency of a heat engine with heat input 10 J and work output 7 J?$ |
| A. | 30% |
| B. | 70% |
| C. | 100% |
| D. | 140% |
| Answer» C. 100% | |
| 11. |
What is the coefficient of performance of a system, if its work input is 75 J and heat removed is 45 J? |
| A. | 20% |
| B. | 40% |
| C. | 60% |
| D. | 80% |
| Answer» D. 80% | |
| 12. |
What is the coefficient of performance of a system, if its work input is 50 J and heat removed is 35 J? |
| A. | 35% |
| B. | 50% |
| C. | 70% |
| D. | 95% |
| Answer» D. 95% | |
| 13. |
What is the efficiency of a heat engine with heat input 5 J and work output 8 J? |
| A. | 40% |
| B. | 80% |
| C. | 160% |
| D. | 200% |
| Answer» D. 200% | |
| 14. |
What is the efficiency of the system, if the actual work input from the process is 10 J and work input for a reversible process is 20 J? |
| A. | 20% |
| B. | 50% |
| C. | 100% |
| D. | 200% |
| Answer» E. | |
| 15. |
What is the efficiency of the system, if the actual work output from the process is 20 J and work output for a reversible process is 25 J? |
| A. | 10% |
| B. | 20% |
| C. | 40% |
| D. | 80% |
| Answer» E. | |
| 16. |
What is the efficiency of the system, if the actual work output from the process is 10 J and work output for a reversible process is 40 J? |
| A. | 10% |
| B. | 25% |
| C. | 40% |
| D. | 65% |
| Answer» C. 40% | |
| 17. |
Energy out and Energy in of a system are 5 J and 25 J respectively, what is the efficiency of the system? |
| A. | 20% |
| B. | 40% |
| C. | 60% |
| D. | 80% |
| Answer» B. 40% | |
| 18. |
Energy out and Energy in of a system are 10 J and 25 J respectively, what is the efficiency of the system? |
| A. | 10% |
| B. | 40% |
| C. | 50% |
| D. | 80% |
| Answer» C. 50% | |