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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. |
Calculate the ideal temperature rise when total temperature is 440K and temperature at that point is 369K. |
A. | 71 |
B. | 70 |
C. | 75 |
D. | 78 |
Answer» B. 70 | |
2. |
Calculate the indicated temperature rise when indicated total temperature is 400K and temperature at that point is 389K. |
A. | 11 |
B. | 5.5 |
C. | 6 |
D. | 12 |
Answer» B. 5.5 | |
3. |
The difference in indicated values and local values of altitude, airspeed and mach number is known as system pressure error. |
A. | True |
B. | False |
Answer» B. False | |
4. |
What is the mach number of the aircraft which is moving in air at an indicated total temperature is 780K and the temperature, recovery factor at that point are 300K and 2? |
A. | 1 |
B. | 2 |
C. | 0.1 |
D. | 0.2 |
Answer» C. 0.1 | |
5. |
What is the indicated temperature of an aircraft having mach number 2 and when temperature and recovery factor are 300K and 2? |
A. | 780K |
B. | 128K |
C. | 345K |
D. | 435K |
Answer» B. 128K | |
6. |
What is the relation between recovery factor and temperature? |
A. | Ti=T[1+r\(\frac{\gamma-1}{2}\)M2] |
B. | Ti=T[1+r\(\frac{\gamma+1}{2}\)M2] |
C. | Ti=T[1-r\(\frac{\gamma-1}{2}\)M2] |
D. | Ti=T[1-r\(\frac{\gamma+1}{2}\)M2] |
Answer» B. Ti=T[1+r\(\frac{\gamma+1}{2}\)M2] | |
7. |
What is the relation between speed of object and temperature? |
A. | T0=T\(\Big[1+\frac{\gamma-1}{2}(\frac{V}{a})^2\Big]\) |
B. | T0=T\(\Big[1-\frac{\gamma-1}{2}(\frac{V}{a})^2\Big]\) |
C. | T0=T\(\Big[1+\frac{\gamma+1}{2}(\frac{V}{a})^2\Big]\) |
D. | T0=T\(\Big[1-\frac{\gamma+1}{2}(\frac{V}{a})^2\Big]\) |
Answer» B. T0=T\(\Big[1-\frac{\gamma-1}{2}(\frac{V}{a})^2\Big]\) | |
8. |
What is the recovery factor if the total temperature is equal to the indicated total temperature? |
A. | 1 |
B. | 2 |
C. | -1 |
D. | -2 |
Answer» B. 2 | |
9. |
Which of the following is the correct expression for recovery factor? |
A. | r=\(\frac{T_i+T}{T_t+T}\) |
B. | r=\(\frac{T_i-T}{T_t-T}\) |
C. | r=\(\frac{T_i+T}{T_t-T}\) |
D. | r=\(\frac{T-T_i}{T+T_t}\) |
Answer» C. r=\(\frac{T_i+T}{T_t-T}\) | |
10. |
The ratio of indicated temperature rise to ideal pressure rise is known as recovery factor. |
A. | True |
B. | False |
Answer» B. False | |