MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
The installation of QNH in an aircraft helps the altimeter in reading the heights above air field level whereas the installation of QFE in an aircraft helps the altimeter in reading the heights above mean sea level. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
QNH is a sea-level pressure which is used to measure the height above sea level. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is a barometric altimeter? |
| A. | A device used to measure the height above a fixed level with the help of barometric pressure changes |
| B. | A device used to measure the pressure above a fixed level with the help of barometric pressure changes |
| C. | A device used to measure the height above a fixed level with the help of pitot tube pressure changes |
| D. | A device used to measure the pressure above a fixed level with the help of pitot tube pressure changes |
| Answer» B. A device used to measure the pressure above a fixed level with the help of barometric pressure changes | |
| 4. |
8.The geopotential height in troposphere is given by __________ |
| A. | H= ( frac{T_0}{l_0} )[( ( frac{p}{p_0} ))<sup> ( frac{-L_0R}{g_0} )</sup>+1] |
| B. | H= ( frac{T_0}{l_0} )[( ( frac{p}{p_0} ))<sup> ( frac{L_0R}{g_0} )</sup>-1] |
| C. | H= ( frac{T_0}{l_0} )[( ( frac{p}{p_0} ))<sup> ( frac{-L_0R}{g_0} )</sup>-1] |
| D. | H= ( frac{T_0}{l_0} )[( ( frac{p}{p_0} ))<sup> ( frac{L_0R}{g_0} )</sup>+1] |
| Answer» D. H= ( frac{T_0}{l_0} )[( ( frac{p}{p_0} ))<sup> ( frac{L_0R}{g_0} )</sup>+1] | |
| 5. |
Find the geopotential height of an aircraft flying sea level where L0=-0.0065 k/m, p=30070.36Pa. |
| A. | 9120 km |
| B. | 9144 km |
| C. | 9854 km |
| D. | 9874 km |
| Answer» C. 9854 km | |
| 6. |
The geopotential height of the isothermal lower stratosphere (i.e. at 11km) is given by __________ |
| A. | H=11000- ( frac{RT_{11}}{g_0} )ln( ( frac{p}{p_{11}} )) |
| B. | H=11000- ( frac{RT_{11}}{g_0} )ln( ( frac{p_{11}}{p} )) |
| C. | H=11000+ ( frac{RT_{11}}{g_0} )ln( ( frac{p}{p_{11}} )) |
| D. | H=11000+ ( frac{RT_{11}}{g_0} )ln( ( frac{p_{11}}{p} )) |
| Answer» B. H=11000- ( frac{RT_{11}}{g_0} )ln( ( frac{p_{11}}{p} )) | |
| 7. |
What is meant by geopotential height interval? |
| A. | It is the pressure height interval measured by the pitot-static tube |
| B. | It is the pressure height interval measured by the altimeter |
| C. | It is the temperature height interval measured by the pitot-static tube |
| D. | It is the temperature height interval measured by the altimeter |
| Answer» C. It is the temperature height interval measured by the pitot-static tube | |
| 8. |
What is meant by pressure altitude? |
| A. | It is the indicated altitude measured with respect to appropriate datum pressure setting |
| B. | It is the indicated altitude measured with respect to appropriate gauge pressure setting |
| C. | It is the indicated altitude measured with respect to appropriate static pressure setting |
| D. | It is the indicated altitude measured with respect to appropriate vacuum pressure setting |
| Answer» B. It is the indicated altitude measured with respect to appropriate gauge pressure setting | |
| 9. |
Altimeter indicates the height as a function of barometric static pressure in the atmosphere. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
What is meant by indicated altitude? |
| A. | It is the pitot-static reading corrected for performance error |
| B. | It is the altimeter reading corrected for instrument error |
| C. | It is the pitot-static reading corrected for instrument error |
| D. | It is the altimeter reading corrected for performance error |
| Answer» C. It is the pitot-static reading corrected for instrument error | |
| 11. |
What is meant by altimeter reading? |
| A. | It is the reading of individual mechanical instrument which calculates the pressure |
| B. | It is the reading of individual electrical instrument which calculates the pressure |
| C. | It is the reading of individual mechanical instrument which calculates the density |
| D. | It is the reading of individual electrical instrument which calculates the density |
| Answer» B. It is the reading of individual electrical instrument which calculates the pressure | |