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7.18 Disassmbly > 7.4 > Flashcards

7.4 Flashcards

1
Q

Measurement of current with a conventional [a] must be connected in [b] with the electrical circuit.

A

ammeter

series

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2
Q

With a clamp meter, the clamp only needs to be [a] around a [b] to measure the [c].

A

clamped
wire
current

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3
Q

The [a] flows through the conductor and induces a [b] through the clamp meter jaws.

A

current

magnetic field

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4
Q

For the classic method, the clamp meter is only able to detect [a] current.

A

alternate

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5
Q

Clamp meter with special sensor, known as a [a] sensor, has an advantage over classic method as it can detect [b] and [c] current.”

A

hall effect
alternate
direct

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6
Q

A [a]meter is used to perform a [b] check to detect a break in the electrical wire/conductor.

A

multi

continuity

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7
Q

Digital ammeters measure [a] and calculate [b] by this formula, [c].”

CHECK AGAIN ANS IS NOT FULLY CORRECT

A 
Specified Answer for: a	
voltage drop
Specified Answer for: b	
current
Specified Answer for: c	
voltage divided by resistance
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8
Q

Analogue ammeters measure current by detecting the [a] produced by the [b] instrument

A

Specified Answer for: a
magnetic field
Specified Answer for: b
moving coil

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9
Q

Measuring voltage is the same as [a] in comparison with a hydraulic system.

A

Specified Answer for: a

pressure difference

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10
Q

One has to simutaneously [a] the line to verify loose contacts.

A

Specified Answer for: a

shake

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11
Q

To measure continuity of a long length of wire on the aircraft, the meter is connected to the [a] of the aircraft.

A

Specified Answer for: a

ground

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12
Q

[a] law is defined as [b] = [c] x [d].

A 
Specified Answer for: a	
ohm's
Specified Answer for: b	
voltage
Specified Answer for: c	
current
Specified Answer for: d	
resistance
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13
Q

The insulation meter will display [a] resistance when the wire is measured against the ground, if the [b] is damaged.”

A

Specified Answer for: a
low
Specified Answer for: b
insulation

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14
Q

One should expect to get a [a] resistance reading from the insulation meter when measuring between 2 good wires on same connector.

A

Specified Answer for: a

high

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15
Q

An [a] meter can measure up to MΩ, whereas a conventional [b]meter only able to measure up to KΩ.

CHECK AGAIN ANS IS NOT FULLY CORRECT

A

Specified Answer for: a
hall effect
Specified Answer for: b
analogue multi

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16
Q

[a] must be disconnected prior to an insulation test.

A

Specified Answer for: a

devices

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17
Q

T477W is the approved tester to be used on [a] and [b] aircraft [c] area.

A 
Specified Answer for: a	
Boeing
Specified Answer for: b	
Airbus
Specified Answer for: c	
fuel tank
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18
Q

Bonding meters uses a 4 wire method, also called [a] measurement method.”

A

Specified Answer for: a

kelvin

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19
Q

4 wire measurement method, 2 test leads supply [a] the other 2 test leads measure [b].”

A

Specified Answer for: a
current
Specified Answer for: b
voltage drop

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20
Q

For the 4 wire measurement system, the [a] test leads are closer to the resistance than then [b] test leads.”

A

Specified Answer for: a
voltage
Specified Answer for: b
current supplying

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21
Q

The 2 shorter leads are for [a] as used on Metrahit 27I

A

Specified Answer for: a

current

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22
Q

The surfaces must be [a] before conducting bonding test

A

Specified Answer for: a

cleaned

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23
Q

Speed of signal travelling in the coaxial cable is know as [a], which is in reference to the speed of [b].

A

Specified Answer for: a
velocity factor
Specified Answer for: b
light

24
Q

An open-end cable will be indicated by a [a] with the same [b] as the input impulse.

A

Specified Answer for: a
reflection
Specified Answer for: b
polarity

25
Q

Advantage of TDR over DMM is one able to find on the [a] of the cable where the [b] is.

A

Specified Answer for: a
length
Specified Answer for: b
break

26
Q

Loop resistance tester, it delivers the [a] and it is converted into [b] to the shield.

A

Specified Answer for: a
current
Specified Answer for: b
electromagnetic field

27
Q

[a] level is recognised as 0ft altitude.

A

Specified Answer for: a

Sea

28
Q

[a] pressure is supplied to the [b] port by the air data tester to simulate [c].

A 
Specified Answer for: a	
Negative
Specified Answer for: b	
static
Specified Answer for: c	
altitude
29
Q

[a] pressure is supplied to the [b] probe by the air data tester to simulate [c].

A 
Specified Answer for: a	
Positive
Specified Answer for: b	
pitot
Specified Answer for: c	
airspeed
30
Q

Standby compass is used when all [a] instruments have failed.

A

Specified Answer for: a

navigation

31
Q

The process of moving the aircraft on a compass rose on the ground to [a] the standby compass is known as compass [b].

A

Specified Answer for: a
calibrate
Specified Answer for: b
swing

32
Q

Standby compass calibrator [a] the existing magnetic field and creates an [b] magnetic field.

A

Specified Answer for: a
neutralises
Specified Answer for: b
artificial

33
Q

A compass [a] is needed to record standby compass deviations.

A

Specified Answer for: a

deviation card

34
Q

A standby compass is referenced to the magnetic [a].

A

Specified Answer for: a

north

35
Q

Fuel quantity probe relies on the principle of [a].

A

Specified Answer for: a

capacitance

36
Q

Shield of wire serves to protect against [a] damages and [b] interference.

A

Specified Answer for: a
mechanical
Specified Answer for: b
electromagnetic

37
Q

The clamp from Loop Resistance Tester is called [a] and the clamp connected to multimeter is called [b]

A

Specified Answer for: a
Current Inducer
Specified Answer for: b
Current Monitor

38
Q

Classic current clamp meter mainly used for measuring?

A

AC

39
Q

Which test equipment is generally used to locate a breakage in aircraft wiring?

A

Ohmmeter

40
Q

What must the user check the test equipment prior to conducting a test on avionics systems?

A

Calibration date

41
Q

Intermittent breaks in the wire is verified by?

A

Simultaneously shaking

42
Q

Which tester is used for continuity check?

A

Ohmmeter

43
Q

What does a multimeter produces to measure voltage?

A

Current

44
Q

Hall effect current clamp meter can measure?

A

AC & DC

45
Q

Which test equipment is used for low resistance, milliohms?”

A

Bonding Tester

46
Q

A standby compass shall not deviate by more than _____ degrees on each heading as per FAA regulations.

A

10

47
Q

What reading would be displayed on the insulation tester when used for checking a wire?s insulation?

A

Resistance

48
Q

How is a short circuit in the line is displayed on the Time Domain Reflectometer?

A

Negative Impulse

49
Q

Insulation testers are used for checking wire insulation?

A

Integrity

50
Q

How is a conventional ammeter connected to an electric circuit to measure current?

A

Series

51
Q

Which test equipment is used for detecting and locating defects in coaxial cables or twisted wire pair cables?

A

Time Domain Reflectometer

52
Q

Which avionics system of an aircraft can be tested using the air data tester?

A

Barometric altimeter.

53
Q

Which test equipment is used for high resistance measurements?

A

Insulation Tester

54
Q

What element flowing through an electrical circuit to be defined as amperage?

A

Electrons

55
Q

Which principle allows the current clamp meter detect current flowing through a conductor?

A

Voltage

56
Q

What is the standard sea level atmospheric pressure?

A

29.92 in Hg

57
Q

When using the Metrahit 27 I type of bonding meter, any faulty contact will be indicated by?

A

Leads Open

7.18 Disassmbly (6 decks)

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