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PRELIM AAMT 2-10 > AMT 2102 > Flashcards

AMT 2102 Flashcards

1
Q

Give the three (3) instruments that relies on the Pitot Static System.

A
  1. Altimeter
  2. Vertical Speed Indicator
  3. Airspeed Indicator
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2
Q

What does the Airspeed Indicator measure?

A

Pressure Differential

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3
Q

The indicated airspeed is ______ to the dynamic pressure

A

Directly Proportional

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3
Q

It indicates the speed of an aircraft in relation to the air.

A

Airspeed Indicator

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4
Q

This sensing system collects data covering a wide range of area and inaccessible locations.

A

REMOTE SENSING INSTRUMENTS

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5
Q

The error that causes to have an inaccurate indication because of the minor flaws in the installation and gears of the instrument

A

INSTRUMENT ERROR

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6
Q

What is the actual airspeed in relation to the ground

A

GROUND SPEED

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7
Q

It has a lag error when an aircraft made a rapid climb/descent. Usually the delay is between 1-4 SECONDS

A

VSI

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8
Q

The Airspeed Indicator has a ____?

A

density error

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9
Q

When the density of air is ___, the IAS is also ____?

A

LOW

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10
Q

Total Pressure - Static Pressure = ?

A

Dynamic Pressure

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11
Q

As the dynamic pressure increases, what happens to the diaphragm?

A

Expands

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12
Q

Static Pressure + Dynamic Pressure = ?

A

Total Pressure / Constant Pressure

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13
Q

If the dynamic pressure reduces, what will happen to the diaphragm?

A

Contracts

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14
Q

It does not include any correction

A

Indicated Airspeed

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15
Q

Small manufacturing imperfections and gear wear of the instrument

A

Instrument Error

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16
Q

Pitot-Static System errors in pressure measurement due to maneuvers or changes in aircraft configuration.

A

Position Error

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17
Q

Indicated speed (IAS) corrected for instrument and position errors.

A

Calibrated Airspeed

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18
Q

The manufacturer will publish a _____ in the aircraft manual to determine the (calibrated airspeed) CAS based on a certain configuration and (indicated airspeed) IAS

A

Calibration Table

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19
Q

In the design of the pitot-static system, air is assumed to be an ideal (incompressible gas)

A

Compressibility Error

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20
Q

It is the calibrated airspeed (CAS) corrected for air compressibility errors.

A

Equivalent Airspeed

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21
Q

The dynamic pressure depends not only on the airspeed, but also on the density of the air.

A

Density Error

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22
Q

It is the airspeed corrected for density error (temperature and pressure.

A

True Airspeed

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23
Q

The higher the altitude, the lower the ______

A

Air Density

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24
Q

It is the actual aircraft speed in relation to the ground.

A

Groundspeed

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25
Q

The instruments used in controlling the aircraft’s flight attitude, altitude, speed, and direction are known as the?

A

Flight Instruments

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26
Q

Designed to measure operating parameters of the aircraft’s engine(s).

A

Engine Instruments

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27
Q

Contribute information used by the pilot to guide the aircraft along a definite course.

A

Navigation Instruments

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28
Q

Pressure exerted by the atmosphere. We feel this all the time

A

Static Pressure

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29
Q

Caused by movement through the air. As the speed increases so does the?

A

Dynamic Pressure

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30
Q

The function of this is to gather and distribute various air pressures for flight instrumentation.

A

Pitot Static System

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31
Q

Usually beneath a wing. In free-stream airflow. Often heated to avoid the entrance being blocked by ice

A

Pitot Tube

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32
Q

This needs to be in a free stream air flow to provide an accurate measurement as possible.

A

Pitot Tube

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33
Q

Usually on the side of the fuselage. Out of airflow. Some aircraft have 2 to average out reading and reduce errors

A

Static Vent / Static Port

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34
Q

This is designed to protect the pitot tube from moisture and dirt entering the pitot tube.

A

Baffled Plate / Baffle Plate

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35
Q

It is at the back of the chamber, allowing moisture to escape.

A

Drain Hole

36
Q

The VSI must receive information from what to have an indication?

A

Static Port

37
Q

The component of Pitot Static System is provided in some aircraft to provide static pressure should the primary static source become blocked?

A

Alternate Static Source

38
Q

The instrument that indicates how high the aircraft is.

A

Altimeter

39
Q

3 types of Altimeter

A

Barometric Altimeter, Radio Altimeter (Radar Altimeter), and GNSS Altimeter

40
Q

Determine altitude by measuring air pressure.

A

Barometric Altimeter

41
Q

In Barometric, As altitude increases, air pressure ______?

A

Decreases

42
Q

What type of an Altimeter that sends a radio or laser signal toward the surface and measure the time it takes for the signal to bounce back?

A

Radio Altimeter (Radar Altimeter)

43
Q

Determine altitude by using satellites to calculate altitude.

A

GNSS Altimeter

44
Q

As altitude increases: The static pressure outside the aneroid gradually decreases. Since the pressure inside the aneroid capsule ____?

A

Expand

45
Q

Vertical distance between mean sea level and a point in the air

A

Altitude

46
Q

Vertical distance between a point on the ground and a point in the air.

A

Height

47
Q

What is the vertical distance between mean sea level and a point on the ground.

A

Elevation

48
Q

The concept of _____ also corresponds to a certain vertical distance

A

Flight Level

49
Q

High Static Pressure = ?

A

Low Altitude

50
Q

Low Static Pressure = ?

A

High Altitude

51
Q

Interpret changes in pressure as changes in

A

Altitude

52
Q

Uses input data from static port because it utilize static pressure to determine vertical distance between the aircraft and a reference level

A

Altimeter

53
Q

If the altimeter senses a static pressure at exactly 29.92 InHg, it will read ______.

A

Zero Feet

54
Q

As the aircraft climbs, pressure decreases. Therefore, the altimeter will indicate an increase in ______?

A

Altitude

55
Q

The altimeter compares the actual static pressure with the _____?

A

Sea Level Pressure

56
Q

A stack of sealed _____ comprise the main component of the altimeter.

A

Aneroid Wafers

57
Q

An aneroid wafer is a sealed wafer that is evacuated to an internal pressure of ____?

A

29.92 inches of mercury / 1013HPA

58
Q

At sea level, the altimeter indicates ______ ?

A

Zero Feet

59
Q

The ______ causes the aneroid capsule to expand.

A

Pressure Differential

60
Q

As altitude decreases: The static pressure outside the aneroid gradually increases causing the aneroid capsule to _____ again.

A

Contract

61
Q

The barometric reference to be used by the altimeter can be set through the ______ (InHg ; hPa)

A

Kollsman Window

62
Q

In altimeter needles, short needle reads

A

Thousands of feet

63
Q

In altimeter needles, long needle reads

A

Hundreds of feet

64
Q

This feature helps the pilots to quickly distinguish between altitudes in thousand and hundreds of feet.

A

Crosshatch Flag / 10,000 ft FLAG

65
Q

Indicates the rate at which the aircraft climbs or descends. Also known as rate-of-climb indicator

A

Vertical Speed Indicator

66
Q

VSI is the instruments that measures

A

Changes in altitude

67
Q

VSI instrument can be divided into two parts into upper and lower parts, the upper part is called

A

Rate of Climb

67
Q

VSI instrument can be divided into two parts into upper and lower parts, the lower part is called

A

Rate of Descend

68
Q

Although the VSI operates solely from static pressure, it is a ____ instrument.

A

Differential Pressure

69
Q

It contains a _______ with connecting linkage and gearing to the indicator pointer inside an airtight case

A

Diaphragm

70
Q

The _____ of the diaphragm is connected directly to the static
line of the pitot-static system.

A

Inside

71
Q

The ______ the diaphragm, which is inside the instrument case, is also connected to the static line but through a restricted hole

A

Area outside

72
Q

In level flight, The static pressure inside and outside the diaphragm are?

A

Equal

73
Q

As pressure decreases, the static pressure inside the diaphragm/ capsule _____ immediately compares to the pressure in the instrument case due to the calibrated leak which restrains the static pressure to get out.

A

Decrease

74
Q

Delay in the instrument indication due to rapid changes in climb / descent rate. Usually the delay is between 1 and 4 seconds

A

Lag Error

75
Q

This prevents icing on the pitot tube.

A

Heater

76
Q

The VSI has a lag error when an aircraft made a rapid climb/descent. Usually the delay is between how many seconds?

A

1-4 SECS

76
Q

Give the three (3) instruments that Wright Brothers used on their Wright Flyer?

A
  1. Engine Tachometer,
  2. Anemometer
  3. Stop Watch
77
Q

On the Altimeter, what is the reading of the triangular needle?

A

Tens of Thousands of Feet

78
Q

On the airspeed indicator, the static pressure is subtracted to what in order to obtain the dynamic pressure?

A

TOTAL PRESSURE

79
Q

The Airspeed Indicator has a density error. When the density of air is low, what is the IAS?

A

LOWER IAS

80
Q

What does the head wind do to an aircraft?

A

PUSHES THE AIRCRAFT

81
Q

What is the instrument that measures the changes in altitude?

A

VERTICAL SPEEDINDICATOR

82
Q

The devices and systems installed in an aircraft to provide essential information to the pilot about the status and performance of the aircraft while in flight

A

AIRCRAFT INSTRUMENTS

83
Q

In airspeed indicator, what is the relationship of dynamic pressure to the speed of the aircraft?

A

DIRECTLY PROPORTIONAL

84
Q

In vertical speed indicator, what is the relationship of static pressure to the altitude of the aircraft?

A

INVERSELY PROPORTIONAL

85
Q

ELEVATION + HEIGHT WILL RESULT IN GETTING THE?

A

ALTITUDE

PRELIM AAMT 2-10 (5 decks)

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