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KV Notes Questions Flashcards

1
Q

What powers the 2 EICAS screens?

A

Battery Bus

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2
Q

Are the 2 EICAS cooling fans powered by the Battery Bus?

A

No

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3
Q

Why is it important to provide APU/Ext electrical power to aircraft within 5 mins of energizing battery?

A

To prevent EICAS screens from overheating (will have no cooling fans)

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4
Q

What gathers data for EICAS display?

A

2 DCUs

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5
Q

How many chimes for caution and warning?

A

1 caution, 3 warning

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6
Q

What other aural warnings can DCU generate?

A

Fire bell for fire, warbler for stall, clacker for overspeed, siren for windshear and terrain

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7
Q

What aural warnings will DCU audio warning inhibit switches not cancel?

A

Windshear, EGPSW, TCAS

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8
Q

Which 4 ECP buttons are mechanical and not dependent of ECP microprocessor or ECP power?

A

PRI, STAT, CAS, STEP

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9
Q

When will oil pressure gauges be present on primary display in addition to digital readout?

A

With engines shutdown or with low oil pressure

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10
Q

When will N1 vibration gauges replace oil gauges?

A

With engines running and normal oil pressure

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11
Q

How is N2 vibration monitored?

A

System monitors N2 vib independently without display. If N2 vib exceeds a predetermined amount, VIB will be displayed inside the N2 gauge

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12
Q

When will flap gauge disappear?

A

With wheel brake temps normal range and gear/slats/and flaps retracted

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13
Q

When can you box caution messages and how?

A

Pressing CAS with both engines running.

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14
Q

When are certain caution messages inhibited on take off?

A

Thrust lever advancement to 400 feet

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15
Q

When are certain caution messages inhibited on landing?

A

400 agl to WOW plus 30 seconds, or when climbing above 400 feet (go around)

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16
Q

What will happen if ED1 fails?

A

Primary page will auto revert to ED2

17
Q

Name several conditions that must be satisfied for TAKEOFF CONFIG OK message

A

Parking brake off, flight spoilers stowed, flaps between 8-20, stab trim inside green, rudder trim inside green, aileron trim inside take off range, auto pilot off

18
Q

What drives the accessory gear box?

A

N2 compressor, which is driven by the high pressure turbine

19
Q

What items are on the accessory gear box?

A

Hydraulic pump, 3 fuel pumps, oil pump, FADEC alternator, integrated drive generator, air turbine starter

20
Q

There are 3 interconnected fuel pumps within the accessory gear box, what are they?

A

Low pressure, high pressure, and motive flow pump

21
Q

What drives N1 fan?

A

Low pressure turbine

22
Q

How many stages is low pressure turbine?

A

Four

23
Q

How much of engine’s overall thrust is provided by N1 fan?

A

80%

24
Q

What powers the variable geometry (VG) vanes?

A

Fuel pressure directed by FADEC

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