MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 is the value that maintains minimum power speed of the aircraft? |
| A. | u/\(\sqrt[4]{3}\) |
| B. | u/\(\sqrt[3]{3}\) |
| C. | u2/\(\sqrt[4]{3}\) |
| D. | u2/\(\sqrt[3]{3}\) |
| Answer» B. u/\(\sqrt[3]{3}\) | |
| 2. |
The minimum sink rate is attained by flying at a relative airspeed of u/\(\sqrt[4]{3}\). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the correct formula for dimensionless rate of climb? |
| A. | ν=\(\frac{dH/dt}{V_{md}}\) |
| B. | v=\(\frac{V_{md}}{dH/dt}\) |
| C. | v=\(\frac{-V_{md}}{dH/dt}\) |
| D. | v=\(\frac{-dH/dt}{V_{md}}\) |
| Answer» B. v=\(\frac{V_{md}}{dH/dt}\) | |
| 4. |
Which of the following is the correct rate of climb equation? |
| A. | τu-\(\frac{1}{2}\)[u3+u-1]=Emaxv |
| B. | τ-\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2 |
| C. | τ+\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2 |
| D. | τu-\(\frac{1}{2}\)[u3+u-1]=Emaxv |
| Answer» E. | |
| 5. |
At what airspeed does maximum gradient of climb occurs? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 6. |
Which of the following is the correct climb gradient equation? |
| A. | τ-\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2 |
| B. | τ+\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2 |
| C. | τ+\(\frac{1}{2}\)[u2+u-2]=Emax |
| D. | τ-\(\frac{1}{2}\)[u2+u-2]=Emax |
| Answer» B. τ+\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2 | |
| 7. |
In which of the following the maximum rate of climb occurs? |
| A. | It occurs when difference in thrust power and drag power is minimum |
| B. | It occurs when difference in thrust power and drag power is maximum |
| C. | It occurs when difference in thrust power is minimum |
| D. | It occurs when difference in drag power is minimum |
| Answer» C. It occurs when difference in thrust power is minimum | |
| 8. |
What is the relation between thrust power and true airspeed? |
| A. | Thrust power increases with increase in true airspeed |
| B. | Thrust power decreases with increase in true airspeed |
| C. | Thrust power increases with decrease in true airspeed |
| D. | Thrust power is independent of true airspeed |
| Answer» B. Thrust power decreases with increase in true airspeed | |
| 9. |
The best gradient of climb is predicted to be at an airspeed greater than minimum drag speed. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The best rate of climb occurs when the excess thrust power is minimum than drag power. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
The best gradient of climb is attained at the time of maximum drag speed of the aircraft. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
What should be the value of thrust- to-weight ratio for a normal take-off so that the acceleration associated with the rate of climb is neglected? |
| A. | 0.1 |
| B. | 0.2 |
| C. | 0.3 |
| D. | 0.4 |
| Answer» D. 0.4 | |
| 13. |
Which of the following is the correct lift balancing equation for thrust producing engines? |
| A. | L=Wcosγ2 |
| B. | L=Wsinγ2 |
| C. | L=\(\frac{cos\gamma _2}{W}\) |
| D. | L=\(\frac{sin\gamma_2}{W}\) |
| Answer» B. L=Wsinγ2 | |
| 14. |
Which of the following is the correct thrust balancing equation for thrust producing engines? |
| A. | FN+D=Wsinγ2+mV̇ |
| B. | FN-D=Wsinγ2+mV̇ |
| C. | FN-D=Wsinγ2-mV̇ |
| D. | FN+D=Wsinγ2-mV̇ |
| Answer» C. FN-D=Wsinγ2-mV̇ | |