MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Which of the following is the correct equation for longitudinal performance equation of motion? |
| A. | ( frac{ eta P}{V} )=D-Wsin <sub>2</sub>+mV |
| B. | ( frac{ eta P}{V} )=D+Wsin <sub>2</sub>-mV |
| C. | ( frac{ eta T}{V} )=D+Wsin <sub>2</sub>+mV |
| D. | ( frac{ eta P}{V} )=D+Wsin <sub>2</sub>+mV |
| Answer» E. | |
| 2. |
What is meant by static thrust? |
| A. | thrust at maximum airspeed |
| B. | power at zero airspeed |
| C. | thrust at zero airspeed |
| D. | power at maximum airspeed |
| Answer» D. power at maximum airspeed | |
| 3. |
What is the propeller advance ratio for the power-producing powerplant when the true airspeed is 300m/s and the diameter of propeller is 0.5 m with rotational speed of 117.81rad/sec? |
| A. | 7.01 |
| B. | 9.02 |
| C. | 5.09 |
| D. | 5.89 |
| Answer» D. 5.89 | |
| 4. |
Which of the following relations are correct for propeller advance ratio? |
| A. | J= ( frac{TV}{nD} ) |
| B. | J= ( frac{P}{nD} ) |
| C. | J= ( frac{V}{nD} ) |
| D. | J= ( frac{PV}{nD} ) |
| Answer» D. J= ( frac{PV}{nD} ) | |
| 5. |
Which of the following relations are correct for pressure coefficient? |
| A. | C<sub>P</sub>= ( frac{P}{ frac{ rho n^3D^4}{2}} ) |
| B. | C<sub>P</sub>= ( frac{P}{ frac{ rho n^2D^5}{2}} ) |
| C. | C<sub>P</sub>= ( frac{TV}{ frac{ rho n^3D^5}{2}} ) |
| D. | C<sub>P</sub>= ( frac{P}{ frac{ rho n^3D^5}{2}} ) |
| Answer» E. | |
| 6. |
The propeller efficiency depends on the advance ratio and power coefficient. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following represents the correct formula for propeller efficiency? |
| A. | = ( frac{T}{P} ) |
| B. | = ( frac{P}{TV} ) |
| C. | = ( frac{T}{PV} ) |
| D. | = ( frac{TV}{P} ) |
| Answer» E. | |
| 8. |
Which of the following is a power-producing powerplant? |
| A. | Turbojet |
| B. | Turbofan |
| C. | Rocket |
| D. | Piston engine |
| Answer» E. | |
| 9. |
What is power 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» C. Propulsive force that is directed by decreasing momentum of the airflow | |