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11 HW 6 Test

Enter the letter for the matching Answer
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1.
Which form of thermometer is most useful in aviation? – liquid mercury – non-contact – bi-metallic
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2.
The amount of voltage produced by dissimilar metals is measured in – megavolts – microvolts – millivolts
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3.
Aircraft with digital instrumentation – must use solid state sensors – can use analog sensors and an analog to digital converter – must use analog sensors and an air data computer
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4.
Iron and Constantan are commonly used in thermocouples for – EGT Leads – CHT Leads – OAT Leads
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5.
Which type of aircraft is most likely to use a mechanical tachometer? – a small multi-engine aircraft – a small single engine aircraft – a small glider used for cross country flights
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6.
How many types of AOA indicators are there?(4 Points) – 1 – 2 – 3
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7.
A numerical compass card is usually graduated in _____ increments. – 5° – 10° – 90°
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8.
Which of the following can be used to power a gyro in an aircraft? (select all that apply) – Vacuum – Pressure – Electricity
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9.
The vacuum required for instrument operation is – 3.5"-4.5" Hg – 1-2 psi – 5"-6" Hg
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10.
An AOA indicator is a type of – stall warning device – airspeed indicator – accelerometer
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11.
Pressure driven gyro instruments can use a vacuum pump for their pressure. – True – False
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12.
Why are synchro systems commonly used to obtain engine fuel and oil pressure readings? – It avoids running fuel and oil into the cockpit – It is more accurate – It is a simpler system.
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13.
Total air temperature is static temperature plus – any rise caused by higher pressures at high altitudes – any rise caused by high speed movement – any drop caused by low humidity
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14.
When a generator is used for a tachometer, its frequency is – directly proportional to engine speed – inversely proportional to engine speed – variable based on engine load
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15.
Why are magnetic compasses filled with fluid? – To allow movement and make more accurate – To allow the poles to align – To dampen oscillations and vibration
A.
True
B.
EGT Leads
C.
directly proportional to engine speed
D.
stall warning device
E.
can use analog sensors and an analog to digital converter
F.
Vacuum, Pressure, Electricity
G.
any rise caused by high speed movement
H.
To dampen oscillations and vibration
I.
It avoids running fuel and oil into the cockpit
J.
millivolts
K.
bi-metallic
L.
3.5"-4.5" Hg
M.
a small single engine aircraft
N.
2
O.
Type the Answer that corresponds to the displayed Question.
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16.
An electrically driven tachometer may make use of – an AC generator – a DC generator – a flexible driveshaft
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17.
Many remote compass systems are the ___________________ type. – magnesyn – dc selsyn – ac synchro
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18.
One example of a mechanical movement indicator would be a – vertical speed indicator – oil temperature gauge – tachometer
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19.
A venturi used to provide vacuum for instrument systems is generally effective around – 50 mph – 100 mph – 125 mph
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20.
The tendency of a compass to show a turn to the north when accelerating on an eastern heading is known as – Magnetic Variation – Dip Error – Magnetic Deviation
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21.
Which instrument would be used to show if 2 or more engines are operating at exactly the same speed? – Tachometer – Accelerometer – Synchroscope
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22.
Temperature indicators sometimes use a modified form of the ___________________ circuit. – Wheatstone Bridge – Series-Parallel – London Bridge
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23.
Electrical resistance thermometers measure temperatures in the ____________ range. – -10°C-100°C – -70°C-150°C – 0°C-150°C
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24.
_______________ magnetometers rely on tiny, layered structures that react to magnetism. – Remote indicating – Flux gate – Solid-state
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25.
Accelerometers use the principle of – pressure – inertia – speed

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