MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. | t25% |
| B. | t50% |
| C. | t75% |
| D. | t100% |
| Answer» B. t50% | |
| 2. |
What is the efficiency of a heat engine with heat input 10 J and work output 7 J? |
| A. | t30% |
| B. | t70% |
| C. | t100% |
| D. | t140% |
| Answer» C. t100% | |
| 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. | t20% |
| B. | t80% |
| C. | t125% |
| D. | t150% |
| Answer» D. t150% | |
| 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. | t25% |
| B. | t50% |
| C. | t75% |
| D. | t100% |
| Answer» D. t100% | |
| 5. |
Energy out and Energy in of a system are 15 J and 25 J respectively, what is the efficiency of the system? |
| A. | t40% |
| B. | t60% |
| C. | t80% |
| D. | t110% |
| Answer» C. t80% | |
| 6. |
Energy out and Energy in of a system are 40 J and 25 J respectively, what is the efficiency of the system? |
| A. | t40% |
| B. | t80% |
| C. | t160% |
| D. | t200% |
| Answer» D. t200% | |
| 7. |
Energy out and Energy in of a system are 10 J and 20 J respectively, what is the efficiency of the system? |
| A. | t20% |
| B. | t30% |
| C. | t40% |
| D. | t50% |
| Answer» E. | |