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767 Technical > Engines > Flashcards

Engines Flashcards

1
Q

Which three engine oil parameters are displayed?

A

Oil pressure, temperature and quantity

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2
Q

When operating with the lower screen blank, what indications are displayed if the left engine oil pressure falls into the caution range?

A

Oil quantity, temp and pressure for both engines

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3
Q

What indications are given if the oil pressure falls below the limit?

A

Left press in red, plus L ENG OIL PRESS message and light

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4
Q

What is the minimum oil temperature to advance the thrust levers?

A

-10°C

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5
Q

Which fuel valves are controlled by the fuel control switch?

A

ENGINE and SPAR

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6
Q

When do the ENGINE FUEL VALVE and FUEL SPAR VALVE lights illuminate?

A

When the valves are not in the commanded position

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7
Q

Where is engine fuel flow displayed?

A

EICAS Secondary engine indication

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8
Q

Where can fuel used be checked?

A

The F.M.S. (Progress Page 2)

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9
Q

How many ignitor units does each engine have?

A

Two

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10
Q

Will the ignition operate if the Fuel Control Switch is at CUTOFF?

A

No

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11
Q

Which switch selects which ignitor unit is used?

A

Ignition Selector Switch

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12
Q

What happens if the engine fails to light after 20 secs?

A

The other ignitor is activated.

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13
Q

When is Auto Relight enabled?

A

In the air or on the ground if N3 drops below idle, using both ignitors.

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14
Q

With the Engine Start Selector at CONT, when is ignition actvated?

A

The selected ignitor runs continuously if the fuel control switch is at run

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15
Q

What is the difference between the CONT and FLT selection of the
Engine Start Selector?

A

FLT uses both ignitors, regardless of ignition selector position.

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16
Q

During a normal ground start sequence a. When does ignition start?

A

When Fuel Control switch is selected to RUN

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17
Q

During a normal ground start sequence. When does ignition stop?

A

At 50% N3 when start selector moves back to AUTO

18
Q

What action opens the start valve?

A

Start selector to GND

19
Q

When does the start valve close?

A

Automatically at 50% N3

20
Q

What does the start VALVE light indicate?

A

Start valve is not in commanded position.

21
Q

What is the recommended duct pressure for a ground start,?

A

30 psi

22
Q

What does the STARTER CUTOUT message and VALVE light indicate?

A

Starter valve has remained open after engine start

23
Q

What causes automatic display of secondary parameters?

A

Entry into the caution amber band, or a red line limit

24
Q

What happens when the red line limit or amber bands are reached?

A

The pointers, digits and boxes change to that colour

25
Q

What additional indication is given if N1, N2, N3 or EGT limit I exceeded?

A

Max exceedance value, displayed in smaller white numbers

26
Q

Which parameter uses an amber line as the limit?

A

EPR

27
Q

With the EEC in the norma1 mode of operation, which parameter does the thrust lever control?

A

EPR

28
Q

Will the engine exceed the EPR limit if the thrust lever is selected fully forward?

A

No, it is limited to maximum EPR

29
Q

When does the EEC. use the ALTERNATE mode?

A

Failure of the normal E.E.C. mode of operation

30
Q

How is maximum thrust limit depicted on EICAS?

A

An amber line on the EPR indicator

31
Q

What happens to reduced climb thust above 10,000ft?

A

It will gradually change to full climb thrust by 30,000ft

32
Q

What percentage of full climb power do these selections produce?

A

1 gives 90%, 2 gives 80%

33
Q

Which control selects the takeoff derate?

A

The Assumed temperature selector

34
Q

What powers the thrust reversers?

A

Bleed air from the respective engine

35
Q

What does amber REV Indicate?

A

Reverser unlocked or in transit

36
Q

What does green REV indicate?

A

Reverser fully deployed

37
Q

During an engine ground start, what conditions must be met before selecting the fuel control switch to RUN?

A

N1, N2 rising, EGT below100%, N3 at 25% N2 10% or max motoring (Oil Pressure must be normal when Engine at Idle)

38
Q

Having selected the Fuel Control to RUN, what is the maximum time for EGT rise?

A

30 secs

39
Q

What is EGT limit on start and where is it displayed?

A

Red line on the E.G.T. indicator

40
Q

What actions should be carried out by recall if both engines fail in flight?

A

Engine Start Selectors (Both)……… FLT,
Thrust Levers (Both)………………. Close
Fuel Control Switches (Both)……… Cut-Off, then RUN APU Selector………………………. Start then ON

41
Q

What actions should be carried out by recall if an engine surges or stalls?

A

Autothrottle………………………… Disconnect Autothrottle Arm Switch……………Off
Thrust lever………………………… Retard

767 Technical (4 decks)

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