MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The lower end of the pitot tube is bet at an angle of ____________ |
| A. | 120 degrees |
| B. | 360 degrees |
| C. | 90 degrees |
| D. | 45 degrees |
| Answer» D. 45 degrees | |
| 2. |
In a pitot tube, the kinetic energy is converted into _________ |
| A. | potential energy |
| B. | total energy |
| C. | pressure energy |
| D. | internal energy |
| Answer» D. internal energy | |
| 3. |
Pitot tube with flat faces are more sensitive. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
An aircraft is flying at cruise level with a velocity of 110m/s at an altitude of 10 km and the dynamic pressure is 5.43kN/m2. Now assume the aircraft is flying is at sea level with a speed of 65m/s and the same dynamic pressure. In the above data, the velocity 65m/s refers to __________ |
| A. | true air speed |
| B. | equivalent airspeed |
| C. | free stream velocity |
| D. | cruising speed |
| Answer» C. free stream velocity | |
| 5. |
When the local flow velocity is zero itself then _________ |
| A. | total pressure is not equal to static pressure |
| B. | total pressure is equal to static pressure |
| C. | 0 |
| D. | infinity |
| Answer» C. 0 | |
| 6. |
AN_AIRCRAFT_IS_FLYING_AT_CRUISE_LEVEL_WITH_A_VELOCITY_OF_110M/S_AT_AN_ALTITUDE_OF_10_KM_AND_THE_DYNAMIC_PRESSURE_IS_5.43KN/M2._NOW_ASSUME_THE_AIRCRAFT_IS_FLYING_IS_AT_SEA_LEVEL_WITH_A_SPEED_OF_65M/S_AND_THE_SAME_DYNAMIC_PRESSURE._IN_THE_ABOVE_DATA,_THE_VELOCITY_65M/S_REFERS_TO___________?$ |
| A. | true air speed |
| B. | equivalent airspeed |
| C. | free stream velocity |
| D. | cruising speed |
| Answer» C. free stream velocity | |
| 7. |
In a pitot tube, the kinetic energy is converted into _________$ |
| A. | potential energy |
| B. | total energy |
| C. | pressure energy |
| D. | internal energy |
| Answer» D. internal energy | |
| 8. |
Pitot_tube_with_flat_faces_are_more_sensitive.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The pressure measured relative to vacuum is ______ |
| A. | total pressure |
| B. | static pressure |
| C. | dynamic pressure |
| D. | absolute pressure |
| Answer» E. | |
| 10. |
When an aircraft is grounded, the pitot static tube is generally covered. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
The errors generated in the pitot tube due to the location are called __________ |
| A. | position errors |
| B. | normal errors |
| C. | negligible errors |
| D. | positive errors |
| Answer» B. normal errors | |
| 12. |
The_lower_end_of_the_pitot_tube_is_bet_at_an_angle_of_____________ |
| A. | 120 degrees |
| B. | 360 degrees |
| C. | 90 degrees |
| D. | 45 degrees |
| Answer» D. 45 degrees | |
| 13. |
When the local flow velocity is zero itself then ________? |
| A. | total pressure is not equal to static pressure |
| B. | total pressure is equal to static pressure |
| C. | 0 |
| D. | infinity |
| Answer» C. 0 | |
| 14. |
The pressure difference (p0-p1) holds good only for incompressible flow. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
The dynamic pressure can be given by ____________ |
| A. | difference of total and static pressure |
| B. | sum of total and static pressure |
| C. | product of total and static pressure |
| D. | double of total and static pressure |
| Answer» B. sum of total and static pressure | |
| 16. |
The dynamic pressure can be used in all flows from incompressible to hypersonic. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
The instrument which combines both the static and total pressure is _______ |
| A. | Dynamic probe |
| B. | Static probe |
| C. | Pitot static probe |
| D. | Stagnation probe |
| Answer» D. Stagnation probe | |
| 18. |
How does the pitot tube help in measuring the airspeed? |
| A. | Using temperature |
| B. | Using velocity |
| C. | Using mach number |
| D. | Using the pressure difference |
| Answer» E. | |
| 19. |
The randomness of the molecules gives us ________ pressure. |
| A. | Stagnation |
| B. | Static |
| C. | Dynamic |
| D. | Absolute |
| Answer» C. Dynamic | |
| 20. |
The most common device used for measuring air speed is __________ |
| A. | altimeter |
| B. | thermometer |
| C. | pressure gauge |
| D. | pitot tube |
| Answer» E. | |