Phase 9

A detailed diagram or illustration of the GENX-2B engine showcasing its components and airflow, in a technical style with labels.

Engine Knowledge Quiz: GENX-2B

Test your knowledge on the GENX-2B engine with this challenging quiz! Covering various aspects of the engine's design, operation, and components, this quiz is suitable for aviation enthusiasts, students, and professionals alike.

Prepare to answer questions about:

Engine components and functionality
Fuel systems and control mechanisms
Operational procedures and safety measures

62 Questions16 MinutesCreated by EngineExpert47

Genx-2b eng, to ship engine by -8 freighter?

Ship by transport stand and rotate for 45 degrees

Ship it in while engine without disconnect anything

Remove fan section and propulsion section and install in a shipping stand

Genx-2b engine contain 2 shafts, how many stage?

N1 : 1 of fan, 4 of LP compressor, 6 of LP turbine; N2: 10 of HP compressor, 2 of HP turbine

N1 : 1 of fan, 1 of LP compressor, 10 of LP turbine; N2: 6 of HP compressor, 2 of HP turbine

N1 : 1 of fan, 1 of LP compressor, 10 of LP turbine; N2: 6 of HP compressor, 4 of HP turbine

Fan cowl have a pressure relief door(s), where is it?

One in L/H; another one in R/H fan cowl

One in left hand side

One in right hand side

Can we open fan cowl or T/REV under no power supply?

Yes, manually open by 3/8 manual drive lug

Yes, manually open by solenoid valve and manual drive plug

No, must use electric power

2 thrust link is to:

Transfer thrust loading from forward engine mount into aft engine mount

Transfer thrust loading from aft engine mount into forward engine mount

To share the loading to both mount.

Where is the fan cowl chin install

I/B side of each engine fan cowl

Both side of each engine fan cowl

I/B side of 1,4 engine and O/B side of 2,3 engine

PDOS power pack draw what kind of electric and where is it?

28V DC cargo handling bus, in nose cowl

28V DC cargo handling bus, in thumbnail fairing

28V DC cargo handling bus, in fan case

Where does engine data plate installed?

In front of accessory gear box

R/H of fan cowl

Centre hub fan 11 o'clock

What composes VSV?

4 stage of LP compressor booster stage, called 4 stage of VSV

1 stage of VIGV plus 3 stage of HP compressor stage, called 4 stage of VSV

1 stage of VIGV plus 4 stage of HP compressor stage, called 5 stage of VSV

Spinner give a smooth air flow into engine?

Provide anti-ice by using stage 7 bleed

Provide anti-ice by using stage 4 bleed

No need anti-ice.

Any protection on fan blade damage?

Fan blade protection by KELVAR

Fan blade protection by CARBON FIBRE

No necessary, fan blade never damage

Engine shift rotation?

Clockwise when looking from front

N1 clockwise and N2 shaft rotate counter clockwise

Counter-clockwise when looking from front

Turbine rear frame contain

Have no.6 bearing support and holding by 10 rods

Have no.5 bearing support and holding by 12 rods

Have no.5 bearing support, holding by 12 struts and rear mount

How dose air flow into fan?

Flow through 18 fan blade and 44 OGV in aluminium alloy fan case

Flow through 18 fan blade and 44 OGV in carbon fibre composite fan case

Flow through 18 fan blade and 36 OGV in aluminium alloy fan case

Which compressor stage have a borescope plug?

All LP and HP stage contain borescope

Only HP stage contain borescope plug

Last stage on LP and HP stage except 10 contain borescope plug

HP compressor case will trap air for anti-ice and turbine cooling?

By stage 4th and 10th

By stage 7th and 10th

By stage 4th and 7th

Fuel spray nozzle split fuel by?

Fuel flow divider

Flow split valve by primary and secondary fuel manifold

Flow split valve by main fuel/ pilot primary and pilot secondary fuel manifold

How many heat exchanger in fuel contained?

3, servo fuel, engine oil and IDG oil

2, engine oil and IDG oil

2, fuel and IDG oil

Where is fuel metering unit installed?

L/H front side of accessory gear box

R/H front side of accessory gear box

Fuel adaptor

Where is Fuel manifold temperature measured from?

Downstream of flow split valve in fuel manifold

Upstream of flow split valve in fuel manifold

Downstream of Pilot primary fuel manifold

The reason of fuel adapter on accessory gear box?

Used for installation of EEC and flow split valve

Used for installation of flow split valve and fuel metering unit

Used for installation of fuel pump, fuel filter and strainer

When main fuel pump filter is blocked, how do we know?

Pop up differential pressure switch

No indication

Differential pressure sensor send signal to EICAS

HP pump will output fuel for FMU or for actuation as a servo fuel, where is it from?

Upstream of flow split valve

Upstream of main fuel filter

Downstream of main fuel filter

Fuel control by normal mode usually, what is the reason of alter to alternate mode from normal mode by EEC?

N2 signal is missing

T12 signal is missing

ADIRU signal is missing

Which part of engine fuel can obtain more heating?

All fuel as engine oil and IDG oil heating

All fuel have IDG oil and engine oil heat exchanger to heat up fuel with servo fuel further heating with engine oil

All fuel from HP compressor air heat exchanger heated by bleed air

EEC contain electronic overspend system, if it detect overspeed, what is the next action to be carry out?

Shut down engine in either channel sense overspeed in both electronic speed switch

Shut down engine in both channel sense overspeed in both electronic speed switch

Decrease the engine power to idle in either channel sense overspeed by electronic speed switch

On ignition system, how EEC control the channel over igniter under normal engine start?

Channel A ignitor 1 then channel B ignitor 2

Channel A ignitor 1 then channel A ignitor 2

Channel A ignitor 1 then channel B ignitor 1

How to choice ignitor for engine start?

Select GROUND on engine start selector

Select SINGLE or BOTH IGNITOR on P5 panel

Fully automatic by EEC

When will core compartment cooling valve close?

Close when in cruise

Close when engine running

Close after takeoff

Surge bleed valve is open by fuel, when open?

High power start

Low power start, wild mill relight

Low power start, off idle acceleration

Measure core compartment temperature sensor location

RH of HP compressor

RH of LP compressor

LH of Hp compressor

Engine control auto throttle system

1 electric motor to control 4 throttle lever

4 electric motor to control each throttle lever, work independently

2 electric motor to control each side of engine

How to achieve thrust balance?

Auto throttle servo motor will do alignment thrust lever

4 EEC cross talk and send signal to align N1

FMC will send a trim signal to align N1

EEC control engine fuel flow to FMU

On the throttle lever angle

On throttle resolver angle

On throttle lever position transducer

Fuel control switch put CUT OFF form RUN position while engine is running, what will happen?

Red light fuel control switch will ON

EEC command HPSOV and Spar valve to close

Cut off signal directly connected to FMC, HPSOV and fuel spar valve to close

Fire emergency shut down by pulling fire handle, what will isolate?

Will close FMU HPSOV, fuel spar valve, PRSOV, hydraulic SOV, except GCR will not close

Will close FMU HPSOV, fuel spar valve, PRSOV, hydraulic SOV and GCR.

Will close fuel spar valve, PRSOV, hydraulic SOV and GCR, but unable to command FMU HPSOV

TRA signal if it is not agree, what happen of EEC?

Hold the last value

Use the higher value to keep the maximum thrust postion

Set engine power to idle as a fault

How to obtain GO AROUND thrust mode?

Select GO AROUND by 2/3 throttle lever

Select GO AROUND by 1/4 throttle lever

Select GO AROUND by all engine throttle lever

Priority of shut down engine in case of emergency

Engine fire switch override fuel control switch

Engine fire switch and fuel control switch have same priority

Engine fuel control switch override engine fire switch

How many accelerometer is used in engine vibration?

2, located in fan bearing hub and compressor rear frame

2, located in fan bearing hub and turbine centre frame

2, located in fan bearing hub and compressor front frame

N2 speed sensor have 3 separate coil, what function of no.3?

Redundant spare

Transmit EMU to monitor engine vibration

Transmit to EIU as a backup of flight desk indication

Auto re-stow sensor is to

Auto re-stow TR after un-commanded deploy

Auto re-stow TR after flap angle in position 1

Auto re-stow TR after failure of DCV

How to lock out TR inflight?

Switch on hydraulic pump for corespondent system, actuator will remain in lock position with hydraulic pressure

Ensure centre actuator and track lock have been lock out

Centre actuator hydraulic lock and upper or lower track have been locked

What solenoid will energise to deploy TR?

4 solenoid, HIV, DCV and 2 track lock

3 Solenoid, HIV and 2 track lock

2 solenoid, HIV and DCV

EMU function

N1 speed engine control and monitoring

N1 speed signal to EEC energise engine run relay for engine start purpose

N1 speed signal to calibrate engine vibration

How to unlock TR and in reverse position?

Locking actuator and track lock unlock by mechanically

Locking actuator by hydraulic and track lock unlock hydraulically

Locking actuator and track lock unlock by electrically

How to lock out TR to carry out maintenance?

Install a lock pin in HIV sliding plugger

Install a pin in centre locking actuator

Put bypass valve handle into bypass mode

Reverser from fully extend to stow, indication when will turn from amber then missing ?

90% and 60%

60% and fully stow

90% and 10%

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Engine Knowledge Quiz: GENX-2B

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