MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Performance knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What kind of forces is responsible for airframe drag? |
| A. | Forces resulting from external flow |
| B. | Forces resulting from internal flow |
| C. | Forces resulting from discontinuous flow |
| D. | Forces resulting from continuous flow |
| Answer» B. Forces resulting from internal flow | |
| 2. |
The net propulsive thrust is given by _________ |
| A. | FN=FG-Dm |
| B. | FN=FG+Dm |
| C. | FN=FG*Dm |
| D. | FN=FG/Dm |
| Answer» B. FN=FG+Dm | |
| 3. |
Flow due to intake flow is known as momentum drag. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
What is gross thrust? |
| A. | Thrust produced at the exit of the nozzle |
| B. | The difference between the stream force entering and leaving the engine |
| C. | The stream force exited at the exit of the engine |
| D. | The product of stream force entering and leaving the engine |
| Answer» B. The difference between the stream force entering and leaving the engine | |
| 5. |
What is net propulsive force? |
| A. | The stream force exited at the exit of the engine |
| B. | The difference between the stream force entering and leaving the engine |
| C. | The stream force entering at the entrance of the engine |
| D. | The product of stream force entering and leaving the engine |
| Answer» C. The stream force entering at the entrance of the engine | |
| 6. |
What is the function of the compressor in an aircraft? |
| A. | To supply sufficient amount of air for combustion |
| B. | Increase velocity |
| C. | Decrease pressure |
| D. | To cut off the air flow inside the aircraft |
| Answer» B. Increase velocity | |
| 7. |
The high-energy air is expelled from the nozzle of an aircraft with decreased momentum. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is not a thrust-producing powerplant? |
| A. | turbojet |
| B. | turbofan |
| C. | rocket |
| D. | piston engine |
| Answer» E. | |
| 9. |
What is thrust producing powerplant? |
| A. | Propulsive force that is directed by increasing momentum of the airflow |
| B. | Propulsive force that is obtained from shaft power by propeller |
| C. | Propulsive force that is directed by decreasing momentum of the airflow |
| D. | Propulsive force that is obtained from engine power by propeller |
| Answer» B. Propulsive force that is obtained from shaft power by propeller | |
| 10. |
The forms of powerplant used in aircraft propulsion are ___________ |
| A. | thrust-producing and power producing |
| B. | weight-producing and power producing |
| C. | thrust-producing and weight producing |
| D. | thrust-producing, power producing and weight producing |
| Answer» B. weight-producing and power producing | |