(ATA 24) On the RR Trent 800, what is used to cool the IDG and backup generator? The IDG is cooled with fuel and the backup generator is cooled with fan
air. Both are cooled with RAM air Both are cooled with fan air.
(ATA 26) RR RB211 Trent 800. Flight Deck Fire warnings maybe initiated by: IP turbine Ovht thermocouples LP turbine Ovht thermocouples T30 thermocouples.
(ATA 26) RR RB211 TRENT 800. TO THE EVENT OF AN ENGINE TURBINE
OVERHEAT, WHAT INDICATIONS APPEAR IN THE FLIGHT DECK? ADVISORY MESSAGES ONLY ENGINE FIRE WARNING CAUTION MESSAGES AND AURAL.
(ATA 29) RR RB211 Trent 800. Access to the EDP is through which cowling? Right Thrust Reverser half Left Thrust Reverser half Right Fan cowling.
(ATA 30) Where is engine anti-ice (EAI) valve controller on the RR RB211 Trent
800 engine? On the right side of the engine fan case at the 3:30 position between the
PRSOVC and HPFAC On the left side of the fan case at the 07:00 position next to the PASOVC On the right side of the fan hub at the 1:30 position inside the fan hub
above the engine cone.
(ATA 30) RR RB211 Trent 800. What stage of air is used for Engine cowl anti-lce? HP7. P6 HP3.
(ATA 30) RR RB211 Trent 800. Where is power for the heater in the P20/T20
probe supplied from? power control unit (PCU) AC standby bus Left or Right DC bus.
(ATA 36) RR RB211 Trent 800. What stages of compression are used for
Pneumatics? IP3 & HP7 IP7 & HP3 IP8 & HP6.
(ATA 36) RR RB211 Trent 800. What information does the EEC provide to the
ASCPC its control? PS3 (15th Stg), N1 and PO PS3 (10th Stg), N2 and P4 PS30 (6 Stg), N3 and PO.
(ATA 36) Where is the Intermediate pressure sensor on the RR Trent 800 engine?
Fan hub at the 9:30 position In the wing leading Edge Fan case at the 3:00 position.
(ATA 36) Where are the manifold dual temperature sensors on the RR Trent 800
engine?
In the strut At the airconditioning bay in the wing leading Edge.
(ATA 36) Where and how many IP check valve(s) is (are) found on each RR
RB211 Trent 800 engine of the B777 pneumatic system?
1 IPCV next to the eighth stage intermediate pressure bleed air source 1 IPCV next to the fourth stage bleed air source at the 3:00 position in the
engine ducting 2 IPCVs next to an eighth stage bleed air ports in the engine ducting.
(ATA 70) When installing a split Cotter pin:
Same Cotter pin may be used more than once A new Cotter pin must always be used A threadlock must always be use.
(ATA 70) What tools should not be used when working with titanium components?
Stainless Steel Cadmiun plated Chrome plated.
(ATA 71) What Power Door Opening System components do you operate to
manual open an engine fan cowl?
The solenoid valve and the manual drive lug on the pump/power pack The switch on the fan case and the manual drive lug on the PDOS power
pack. The switch on the fan case and a solenoid cap on the PDOS power pack.
(ATA 71) What must be ensured before the engine fan cowls can be adjusted?
Only the thrust reverser cowls are required to be closed The V-band latch on the thrust reverser cowl is latched Thrust reverser cowls are closed, latches adjusted correctly.
(ATA 71) the drain fluid from the strut goes to?
Drain mast Collector tank Overboard.
(ATA 71) How is the EEC cooled by?
The EEC is cooled by air drawn from the fan inlet cowl Cooling its protection box externally through the Zone 1 cooling system The EEC is cooled by a separate system using fan air from the bypass
duct.
(ATA 72 TCDS) The Low pressure rotor system has:
A fan and two-stage low pressure fan driven by a five-stage turbine A Single-stage low pressure fan driven by a five-stage turbine Eight stages of compressor driven by a single stage of turbine.
(ATA 72) The Intermediate Pressure Rotor has:
One stage of compressor driven by five stages of turbine Six stages of compressor driven by one stage of turbine Eight stages of compressor driven by one stage of turbine
.
ATA 72) How may the LP Turbine be balanced at stage 5 blades?
Attaching sheet metal clip on weights By removing blade shroud tips at set positions Using balance screws at the turbine shaft hub.
(ATA 72) What is the bypass ratio for the Trent 800 engine? 9:1 2:1 6:1.
(ATA 72) EEC monitors the reverser position by using which of the following?
RVDT signal Position switches. Proximity sensor.
(ATA 72) how is number one balance screw hole marked for identification?
A red mark on spinner extension There is no special marking A simple on the spinner.
(ATA 72) During Borescope Inspection, how may the IP compressor be turned?
At the external gearbox drive plate Using the system IP engine tuming tool Through the step aside gearbox.
(ATA 73) What is the operation of the Over speed Protection Unit?
Cuts off fuel supply to the engine when the LP or IP shaft overspeeds Reduces fuel delivery to the fuel spray nozzles when LP or IP shaft
overspeeds
Cuts off fuel supply to the engine when the LP Turbine overspeeds.
(ATA 73) When does the Power Control Unit get power?
The fuel control switch is set to CUTOFF The start selector is selected to START The EEC maintenance switch is set to NORM.
(ATA 73) How many fuel spray nozzles are fitted to the TRENT 800 engine?
18 36 24.
(ATA 73) What is the correct statement for the weight distributor valve(s)?
The weight distributor valve does not come with a replacement nozzle The weight distributor valves are installed only in nozzles number 10 and
16 The weight distributor valves are integral parts of the fuel nozzles.
(ATA 73) Which of the following actuators are locking actuators?
Lower actuators only Upper and center actuators Center and lower actuator.
(ATA 74) At what engine speed does the EEC usually turn off the ignition system?
50% N2 25% N3 50% N3.
(ATA 75) Bleed valves use servo air from which of the following source? HP3 air IP6 air LP5 air.
(ATA 75) How are VIGV and VSV position feedback achieded bt?
The servo fuel returning pressure The LVDT´s The RVDT´s.
(ATA 75) What are the parameters used that open and close the TIC valve?
ALTITUDE N3 COMMAND N1 EPR.
(ATA 76) Where can the thrust resolver adjustment be checked from?
Performance maintenance page A MAT special function EPCS maintenance page 1.
(ATA 76) Adjusting the length of the control rod between the thrust lever and the
brake:
not allowed on this aircraft type
Changes the TLA-TRA relationship
Changes the feel force on the thrust lever.
(ATA 77) Where does the N3 speed signal sent to the AVM come from?
The Electronic Engine Control
The three phase ac output from the Dedicated Alternator
The single phase ac output of the Dedicated Alternator.
(ATA 77) How are N1 speed signals sent to the EEC?
Through the Overspeed Protection Unit Through the Power Control Unit From speed probes (phonic wheel) of the IP shaft.
(ATA 77) A difference between EPR actual and EPR commanded will produce
which of the
A fasting digital EPR readout A command sector on the EPR indicator Amber ´FAUL´ Indication in the EEC mode switch light.
(ATA 77) what sensors does the Airborne Vibration Monitoring System use for its
calculation?
A single channel accelerometer on the intermediate case and a dual
channel accelerometer on the LPT case
A dual channel accelerometer on the intermediate case and a remote
charge converter on the LPT case
A dual channel accelerometer on the intermediate case and a single
channel accelerometer on the LPT case.
(ATA 78) When the DCV control pressure is removed, Hydraulic fluid will be
routed.
The retract end of the actuators Both sides of the actuators The extend side of the actuators.
(ATA 78) What is the Actuator locking mechanisms comprises of?
Spring loaded locking sleeve and lock Keys that are unlocked with deploy
hydraulic pres. A floating piston type devise that is unlocked by the sync shaft movement
Spring loaded locking sleeve and lock Keys that are unlocked with stow
hydraulic pres.
43. (ATA 78) How can the Hyd Isolation Valve be opened on the ground with the
engine not running?
By a maintenance action through the MAT By powering the EEC from the Overhead EEC maintenance switch By an operation on the T/R Test switch fitted on the Fan Case.
(ATA 78) When Will the interlock actuator extend?
As the TRA reques tor a more than 31 degress Approximatly 42% >Sleeve T/R deployment Approximatly 60% T/R Sleeve deployment.
(ATA 79) Which of the oil filters can provide a clogging status EICAS message?
The Scavenge all filter
The pressure oil filter only Both the pressure and scavenge filters.
(ATA 79) What does the DMS (Debris monitoring system) monitor?
Ferrous particles in the return oil flow Alt metal particles in the supply oil flow Ferrous particles in the breather air.
(ATA 80) After which of the following fault conditions will the Autostart attempt
second start?
Hot start Starter shaft breakage A locked rotor.
(ATA 80) Which system sends a digital engine start command to the EEC?
AIMS OPAS The engine start control relay.
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