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Instruments > Pressure Sensing > Flashcards

Pressure Sensing Flashcards

1
Q

What pressure does the altimeter measure?

A

Total - static

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2
Q

What do electro mechanical instruments do?

A

Provide other essential information about the aircrafts state.

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3
Q

What display is easy to see a rate of change and allows comparison?

A

Analogue

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4
Q

What display type has precise values and the read out is quantitive?

A

Digital

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5
Q

What does MFDU stand for?

A

Multi function display unit.

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6
Q

What does EICAS stand for?

A

Engine indicating crew alerting system.

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7
Q

What does ECAM stand for?

A

Electronic centralised aircraft monitoring.

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8
Q

What does aneroid mean?

A

No air in or out.

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9
Q

What pressure : high/low is a boudon tube used for?

A

High.

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10
Q

What pressure type is a diaphragm used for?

A

Low.

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11
Q

What instruments uses static pressure only?

A

Vertical speed indicator and altimeter.

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12
Q

How do you calculate pitot pressure?

A

Static + dynamic

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13
Q

What % of the error is eliminated by having separate sources?

A

90

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14
Q

What are the pressure instrument errors?

A

Position ( pressure ) - instrument - manoevure - static system error PIMS

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15
Q

How is a static system error caused?

A

Friction in tubes that connect the static ports to the instruments.

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16
Q

The hydraulic system pressure indicator holds a what? (something that converts mechanical into electrical)

A

Transducer - something that converts mechanical into electrical

17
Q

The engine instrument utilising a bellows type sensor is blank pressure gauge.

A

Manifold.

18
Q

What does the open ended tube parallel to the longitudinal axis of the aircraft sense?

A

Total pressure.

19
Q

What is the hydraulic pressure measured by?

A

By a bourdon tube.

20
Q

Does an aneroid capsule measure low or high pressure?

A

Low

Instruments (21 decks)

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