Results
Q1. When aircraft is side slipping to the right :
Correct answer is – pressure sensed by right static port will be more than left static port.
Q2. VNE which is indicated by Red radial Bar on ASI display can be Exceeded only if there is any emergency onboard.
Correct answer is – False
Q3. An air temperature probe may be aspirated in order to:
Correct answer is – measure air temperature on the ground
Q4. The error induced by the location of the static pressure source is known as the:
Correct answer is – position error
Q5. The TAS is equal to the EAS only if:
Correct answer is – P = 1013,25 hPa and OAT = 15°C
Q6. Error in pressure sensed by the aircraft pitot/static during change of flap position and landing gear operation is referred as:
Position pressure error
Q7. If both pitot and static sources become blocked in level flight, the ASI will:
Correct answer is – Remain constant at the value at blockage.
Q8. Fitting static vents to both sides of the aircraft fuselage will:
Correct answer is – balance out errors caused by side slipping or yawing
Q9. Concerning the pitot and static system, the static pressure error:
Correct answer is – is caused by disturbed airflow around the static ports
Q10. The combined Machmeter / ASI is subject to the following errors:
Correct answer is – position, density, instrument, compressibility, manoeuvre induced
Q11. If the static pipe becomes blocked?
Correct answer is – The IAS will over read in a descent and under read in a climb.
Q12. When aircraft yaws to the right :
Correct answer is – pressure sensed by left static port will be more than right static port.
Q13. The EAS is obtained from the CAS by correcting for the following errors: 1 – position 2 – compressibility 3 – instrument 4 – density. The combination that regroups all of the correct statements is:
Correct answer is – 4
Q14. In a standard atmosphere and at the sea level, the Calibrated airspeed (CAS) is:
Correct answer is – Equal to the true airspeed (TAS).
Q15. If a pitot tube and drains are blocked at altitude by icing, during a descent the ASI will:
Correct answer is – under read
Q16. *** If the pitot pipe becomes partly blocked? Assume power setting is constant.
Correct answer is – The IAS reading will be too low when descending.
Q17. The combined Machmeter / ASI is subject to the following errors:
Correct answer is – position, density, instrument, compressibility, manoeuvre induced
Q18. Given: Pt = total pressure, Ps = static pressure, Dynamic pressure is:
Correct answer is – Pt – Ps
Q19. Position error:
may be reduced by the fitting of static vents
Q20. The alternate static source of a light non-pressurized aeroplane is located in the flight deck; when used:
Correct answer is – the airspeed indicator tends to over-read
Q21. The vertical speed indicator (VSI) is fed by?
Correct answer is – Static pressure.
Q22. The position error of the static vent on which the altimeter is connected varies substantially with the:
Correct answer is – Mach number of the aircraft
Q23. If the temperature of an air mass increases, what is the effect on the True Airspeed (TAS) at constant CAS?
Correct answer is – TAS increases.
Q24. If an aircraft maintains a constant Mach number and the outside air temperature increases, the TAS will:
Correct answer is – Increase.
Q25. The relationship between True Airspeed (TAS) and Calibrated Airspeed (CAS) is that:
Correct answer is – TAS increases with altitude for a constant CAS.
Q26. When an alternate static source is fed from within the cabin, it results in the static pressure sensed being:
Correct answer is – lower than ambient due to aerodynamic suction
Q27. The calibrated airspeed (CAS) is obtained by applying to the indicated airspeed (IAS)
Correct answer is – An instrument and position/pressure error correction.
Q28. For a constant Calibrated Airspeed (CAS) and a level flight, a fall in ambient temperature will result in a:
Correct answer is – Lower True Airspeed (TAS) due to an increase in air density.
Q29. Manoeuvre induced error will be most pronounced when aircraft
Correct answer is – start to climb or descend.
Q30. The TAS is obtained from the CAS by correcting for the following errors: 1 – instrument 2 – compressibility 3 – position 4 – density. The combination that regroups all of the correct statements is:
Correct answer is – 2, 4
Q31. Position error:
Correct answer is – may be reduced by the fitting of static vents
Q32. VS0 will be higher than VS1
Correct answer is – False
Q33. If the static source of an altimeter becomes blocked during a descent the instrument will:
Correct answer is – continue to display the reading at which the blockage occurred
Q34. The total pressure probe has become blocked. What is the effect on the VSI?
Correct answer is – the VSI will operate normally
Q35. A direct reading aircraft thermometer usually consists of a bimetallic helix protruding into the airstream. Movement of the pointer over the temperature scale will depend upon:
Correct answer is – different coefficients of expansion of the two metals
Q36. In straight and level flight at a constant CAS, if the outside air temperature decreases, the TAS will:
Correct answer is – Decrease.
Q37. If the pitot source and drain become blocked by ice when in cruise flight, how will the ASI respond when descending?
Correct answer is – It will under read.
Q38. Given : SAT = – 40C , Mach = 0.8 , Kr = 0.8 , Find TAT
Correct answer is – -17 C
Q39. At any given weight or altitude, an aircraft will always lift-off at the same?
Correct answer is – CAS.
Q40. If the pitot tube becomes blocked but the drain hole remains open?
Correct answer is – The ASI will read zero.
Q41. If the static vent becomes blocked on an unpressurised aircraft, what could you do?
Correct answer is – break the VSI glass
Q42. Manoeuvre induced error:
Correct answer is – is caused by pressure changes at static probes or vents
Q43. The red radial line on an ASI indicates:
Correct answer is – VNE.
Q44. If the pitot tube becomes blocked during a descent, the airspeed indicator:
Correct answer is – under-reads
Q45. The white arc on an ASI indicates:
Correct answer is – The flap operating range.
Q46. At MSL in the ISA?
Correct answer is – CAS = TAS.
Q47. The error in altimeter readings caused by the variation of the static pressure near the source is known as?
Correct answer is – Position pressure error.
Q48. During a climb, the total pressure probe of the airspeed indicator becomes blocked; if the pilot maintains a constant indicated airspeed, the true airspeed:
Correct answer is – decreases until reaching the stall speed
Q49. The lower limit of the green arc on an ASI represents:
Correct answer is – VS1.
Q50. A pitot tube covered by ice that blocks the ram air inlet will affect the following instrument(s)?
Correct answer is – Airspeed indicator only.
Q51. VFE is the?
Maximum speed at which the aircraft is permitted to fly with its flaps extended.
Q52. The yellow arc on an ASI indicates?
VNO at lower end and VNE at upper end.
Q53. If the pitot tube is leaking (and the pitot drain is blocked) in a non-pressurised A/C, the ASI will:
Correct answer is – under-read
Q54. What does the green arc on an ASI indicate?
Correct answer is – VNO at the upper end and VS1 at the lower end .
Q55. Aircraft air temperature thermometers are shielded to protect them from:
Correct answer is – solar radiation
Q56. VLE is the maximum:
Correct answer is – Flight speed with landing gear down.
Q57. The EAS is obtained from the IAS by correcting for the following errors: 1) Instrument 2) Position 3) Density 4) Compressibility The combination that regroups all of the correct statements is:
Correct answer is – 1, 2, 4
Q58. VLO is the maximum:
Correct answer is – Speed at which the landing gear can be operated with full safety.
Q59. What is the effect of an increase in altitude on the relationship between CAS and TAS?
Correct answer is – TAS becomes greater than CAS.
Q60. At constant weight, regardless of altitude, an aircraft always lifts off at a constant:
Correct answer is – CAS
Q61. If, while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, which of the following should the pilot expect?
Correct answer is – The vertical speed to momentarily show a climb
Q62. VNO is …………… and is indicated by the ……… On an ASI?
Correct answer is – Max speed for normal operations ; upper end of green arc.
Q63. Given : SAT = – 30C , Mach = 0.84 , Kr = 0.9 , Find TAT *
Correct answer is – 0 C
Q64. The relationship between IAS and CAS is that:
Correct answer is – CAS is IAS corrected for instrument and position errors.
Q65. The alternate static source of a light non-pressurized aircraft is located in the flight deck; when used, the static pressure sensed is likely to be:
Correct answer is – lower than ambient pressure due to the venturi effect of the air flowing around the fuselage
Q66. The maximum operating speed VMO is expressed in:
Correct answer is – CAS or EAS
Q67. If the pitot tube of an unpressurized aircraft is blocked and the pitot drain is open?
Correct answer is – It will read zero at all speeds.
Q68. In the absence of position and instrument errors, IAS is equal to:
Correct answer is – CAS
Q69. The purpose of the pitot heat is to:
Correct answer is – Prevent ice formation in the pitot tube.
Q70. Mach number is the ratio between:
Correct answer is – True Airspeed and the local speed of sound.
Q71. If OAT increases whilst maintaining a constant CAS and flight level:
Correct answer is – Mach number remains constant
Q72. Where on an ASI is Vs with flaps up indicated?
Correct answer is – Lower end of green arc.
Q73. Which of the following is correct?
Correct answer is – P total = P dynamic P static
Q74. What will be the effect on the ASI if the pitot tube of an unpressurized aircraft is fractured and the pitot drain is blocked?
Correct answer is – It will under read.
Q75. If the outside air temperature increases at constant altitude and CAS, the TAS will:
Correct answer is – Increase.
Q76. In standard atmosphere at FL300 with a TAS of 440, what is the Mach Number?
Correct answer is – 0.75
Q77. What types of thermometer are used in modern aircraft? 1 Resistive. 2 Mercury. 3 Capacitive. 4 Inductive. 5 Thermocouples.
Correct answer is – 1, 2, 5.
Q78. *** If the static pipe becomes partly blocked?
Correct answer is – The IAS will be too high when descending at constant IAS.
Q79. A pressure head is subject to the following errors:
Correct answer is – position, manoeuvre-induced, instrument
Q80. Manoeuver induced error is __________ fluctuation near pitot tube or static vent.
Correct answer is – short term.
Q81. During descent, the total pressure probe of the airspeed indicator becomes blocked. In this case: 1) IAS becomes greater than CAS 2) IAS becomes lower than CAS 3) Maintaining IAS constant, VMO may be exceeded 4) Maintaining IAS constant, aircraft may stall The combination regrouping all the correct statements is:
Correct answer is – 2, 3
Q82. A pitot blockage of both the ram air input and the drain hole with the static port open causes the airspeed indicator to:
Correct answer is – react like an altimeter
Q83. The position error of the static vent on which the altimeter is connected varies substantially with the:
Correct answer is – Mach number of the aircraft
Q84. The alternate static source of a non-pressurized aircraft is located in the flight deck; as the alternate static source is opened, the vertical airspeed indicator may:
Correct answer is – indicate a momentary climb
Q85. Total Air Temperature is ________ Than ________ by an amount which is proportional to
Correct answer is – Higher Static air temperature TAS.
Q86. VNE is …………… And is indicated by the ……………… On an ASI?
Correct answer is – Never exceed speed ; red radial line at the upper end of the yellow arc.
Q87. Where on an ASI is VLO indicated?
Correct answer is – It is not specifically marked but will be less than VLE
Q88. TAS can be obtained from the following data:
Correct answer is – EAS and density altitude
Q89. The compressibility correction to CAS to give EAS: 1) may be positive 2) is always negative 3) depends on Mach number only 4) depends on pressure altitude only. The combination regrouping all the correct statements is:
Correct answer is – 2, 3
Q90. An aeroplane is cruising at FL 60 with a TAS of 100 kt in standard atmosphere. In these conditions: 1) the TAS is approximately 10% higher than the IAS 2) the difference between the EAS and the CAS is negligible 3) the speed displayed on the airspeed indicator is a CAS if the position error and instrument error are zero The combination regrouping all of the correct statements is:
Correct answer is – 1, 2, 3
Q91. If the static pipe becomes partly blocked?
Correct answer is – The IAS and Rate of climb will be too low when climbing.
Q92. What does the yellow arc on an ASI indicate?
Correct answer is – The caution range.
Q93. The limits of the green scale of an airspeed indicator are:
VS1 for the lower limit and VNO for the upper limit.
Q94. In the absence of position and instrument errors, CAS is equal to:
Correct answer is – IAS
Q95. The airspeed indicator measures:
Correct answer is – Differential pressure.
Q96. Manoeuvre induced error:
is caused by pressure changes at static probes or vents
Q97. For a given Mach number, if the temperature decreases, the True Airspeed (TAS) will:
Correct answer is – Decrease.
Q98. If during a descent: – the pneumatic altimeter reading is constant – the VSI shows zero – the IAS is increasing The most likely explanation is that:
Correct answer is – the static intakes are completely clogged up by ice
Q99. Concerning the pitot and static system, the static pressure error varies according to: 1 – altimeter setting, 2 – speed, 3 – angle of attack. The combination that regroups all of the correct statements is:
Correct answer is – 2 and 3
Q100. Equivalent Airspeed (EAS) is:
Correct answer is – CAS corrected for compressibility error.