OGINS 01.03 – Airspeed Indicator

 

Results

Q1. As an airplane climbs higher, the true airspeed for a given indicated airspeed will:

Increase.

Q2. When climbing at a constant Mach number below the tropopause, in ISA conditions, the Calibrated Airspeed (CAS) will:

decrease

Q3. The airspeed indicator of an aircraft is provided with a moving red and white hatched pointer. This pointer indicates the:

maximum speed in VMO operation versus altitude

Q4. During a climb after take-off from a contaminated runway, if the total pressure probe of the airspeed indicator is blocked, the pilot finds that indicated airspeed:

increases steadily

Q5. The limits of the green scale of an airspeed indicator are:

VS1 for the lower limit and VNO for the upper limit

Q6. If indicated airspeed is corrected for a positive error, the resulting calibrated airspeed will be:

Lower.

Q7. A leak in the pitot total pressure line of a non-pressurized aircraft to an airspeed indicator would cause it to:

under-read.

Q8. The Airspeed Indicator measures:

Differential pressure.

Q9. VLO is the maximum:

speed at which the landing gear can be operated with full safety.

Q10. Match groundspeed (GS) with the associated definition:

Actual speed of an aircraft over ground.

Q11. Indicated airspeed (as read on the airspeed indicator) will:

Remain unchanged in headwind and tailwind.

Q12. The airspeed indicator of a twin-engined aircraft comprises different sectors and color marks. The blue line corresponds to the:

optimum climbing speed with one engine inoperative, or Vy

Q13. Today’s airspeed indicators (calibrated to the Saint-Venant formula), indicate, in the absence of static (and instrumental) error:

The calibrated airspeed (CAS) in all cases

Q14. With a constant weight, irrespective of the airfield altitude, an aircraft always takes off at the same:

calibrated airspeed.

Q15. The airspeed indicator circuit consists of pressure sensors. The pitot tube directly supplies:

the total pressure

Q16. VNE is the maximum speed:

which must never be exceeded

Q17. VFE is the maximum speed:

with the flaps extended in a given position.

Q18. The upper airspeed limit of the green arc on the airspeed indicator represents:

Maximum structural cruising speed (VNO)

Q19. When descending through an isothermal layer at a constant Calibrated Airspeed (CAS), the True Airspeed (TAS) will:

decrease

Q20. The limits of the white scale of an airspeed indicator are:

VSO for the lower limit and VFE for the upper limit

Q21. If, when correcting an EAS value of 150 Kt, a TAS value of 146 Kt is obtained:

the density of the atmosphere must be greater than the ISA mean sea level air density.

Q22. The limits of the yellow scale of an airspeed indicator are:

VNO for the lower limit and VNE for the upper limit

Q23. If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:

over-read

Q24. For a constant Calibrated Airspeed (CAS) and a level flight, a fall in ambient temperature will result in a:

lower True Airspeed (TAS) due to an increase in air density

Q25. Considering the maximum operational Mach number (MMO) and the maximum operational speed (VMO), the captain of a pressurized aircraft begins his descent from a high flight level. In order to meet his scheduled time of arrival, he decides to use the maximum ground speed at any time of the descent. He will be limited:

initially by the MMO, then by the VMO below a certain flight level

Q26. The reason for having a square-law compensation in the airspeed-indicator mechanism is:

The differential pressure increases with the square of the airspeed.

Q27. Indicated airspeed corrected for position error is:

Calibrated airspeed.

Q28. With a pitot probe blocked due to ice build up, the aircraft airspeed indicator will indicate in descent a:

decreasing speed.

Q29. If the static source to an airspeed indicator (ASI) becomes blocked during a descent the instrument will:

over-read

Q30. Match true airspeed (TAS) with the associated definition:

Calibrated airspeed corrected for altitude and non-standard temperature.

Q31. TAS is:

the aircraft’s true airspeed which is EAS corrected for altitude and temperature

Q32. After an aircraft has passed through a volcanic cloud which has blocked the total pressure probe inlet of the airspeed indicator, the pilot begins a stabilized descent and finds that the indicated airspeed:

decreases steadily

Q33. When side-slipping, one of the instruments below will give an incorrect indication:

Airspeed Indicator.

Q34. What is the significance of the yellow arc in an airspeed indicator?

Structural warning range.

Q35. VNO is the maximum speed:

not to be exceeded except in still air and with caution.

Q36. All the anemometers are calibrated according to:

St-Venant’s formula which takes into account the air compressibility.

Q37. Match indicated airspeed (IAS) with the associated definition:

The airspeed you read directly from the airspeed indicator.

Q38. In the air-tight instrument case of the airspeed indicator we will find:

Static pressure.

Q39. The velocity maximum operating (V.M.O.) is a speed expressed in:

calibrated airspeed (CAS).

Q40. VLE is the maximum:

flight speed with landing gear down

Q41. The calibrated airspeed (CAS) is obtained by applying to the indicated airspeed (IAS):

an instrument and position/pressure error correction.

Q42. Match calibrated airspeed (CAS) with the associated definition:

Indicated airspeed corrected for installation and instrument errors.

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