TECH EXAME Flashcards
Which statement is correct:
Select one:
A. Bleed air is only supplied from the 9th stage when the valve modulates open if bleed air requirement is greater than the 5th stage alone can supply.
B. Bleed air is provided from the 5th and 9th stage of the compressor whenever the bleed air valve is selected ON.
C. Bleed air is only supplied from the 5th stage when the valve modulates open if bleed air requirement is greater than the 9th stage alone can supply.
D. Bleed air is constantly provided from stage 5 and stage 9 of the compressor.
A. Bleed air is only supplied from the 9th stage when the valve modulates open if bleed air requirement is greater than the 5th stage alone can supply.
What is the result if one pack fails in-flight?
Select one:
A. The remaining pack is capable of maintaining pressurisation and acceptable cabin temperatures up to 41,000 feet.
B. The packs will automatically switch off, and cabin temperature is controlled by the mix manifold and the recirculation fans.
C. The remaining pack will not operate in HIGH flow.
D. The remaining pack when selected to AUTO will be capable of maintaining pressurisation up to aircraft ceiling, only if all Zone Temperature Controllers are selected to OFF.
A. The remaining pack is capable of maintaining pressurisation and acceptable cabin temperatures up to 41,000 feet.
If all zone and primary pack controls fail, how is cabin temperatures controlled?
Select one:
A. The standby pack controls command the packs to produce the average temperature demand of the 2 passenger cabin zones.
B. The last settings before the failure will be maintained until the packs are selected OFF.
C. The cabin temperatures cannot be controlled in this situation.
D. A fixed cabin temperature will be produced in this situation - 24 degrees C from the left pack, and 18 degrees C from the right pack.
A. The standby pack controls command the packs to produce the average temperature demand of the 2 passenger cabin zones.
When operating on the Standby Pack Controls, what temperatures will the packs be producing?
Select one:
A. The trim air modulating valves close so no pack air is provided to the two cabin zones, only re-circulated air is provided.
B. The flight deck required temperature will also be provided to the passenger cabin.
C. An average temperature for the two cabin zones.
D. Left pack produces 18 degrees C, right pack produces 22 degrees C.
C. An average temperature for the two cabin zones.
Where are the wing-body overheat sensors located?
Select one:
A. Engine struts, wing leading edge slats, air conditioning bays, APU duct, keel beam.
B. Engine cowl lips, wing leading edge slats, air conditioning bays, electronic equipment bay, APU bleed duct.
C. Engine cowling lips, wing leading edge slats, air conditioning bays, APU compartment, keel beam.
D. Engine struts, wing inboard leading edges, air conditioning bays, APU bleed duct, keel beam.
D. Engine struts, wing inboard leading edges, air conditioning bays, APU bleed duct, keel beam.
What is the result if all temperature zone selectors are positioned to OFF?
Select one:
A. The right pack will produce a fixed temperature of 75 degrees Fahrenheit, and the left pack will produce a fixed temperature of 65 degrees Fahrenheit.
B. Left pack will produce 24 degrees centigrade and right pack will produce 18 degrees centigrade.
C. The packs will attempt to maintain an average temperature across all zones.
B. Left pack will produce 24 degrees centigrade and right pack will produce 18 degrees centigrade.
Bleed air is taken from stage 4 and stage 9 of the high pressure compressor.
Select one:
True
False
False
Engine bleed air pressure is controlled by means of the bleed air valve which acts as both a shutoff and pressure regulating valve.
Select one:
True
False
True
Cabin pressurisation is controlled by the position of the Outflow Valve, but some air is also exhausted through the toilet and galley vents.
Select one:
True
False
True
The packs produce the coolest temperature selected in any of the zones, with the other zones temperature controlled by adding hot trim air to produce the required temperature.
Select one:
True
False
True
The TRIP RESET switch is pushed to reset a PACK, WING-BODY OVERHEAT and BLEED TRIP OFF, it isolates the associated valve and extinguishes the alert.
Select one:
True
False
False
After pressing the DISCH switch, how long does it take for the cargo fire DISCH light to illuminate to indicate that the Cargo Fire Suppression system has been fully activated?
Select one:
A. Up to 60 seconds.
B. Up to 30 seconds
C. Immediately.
D. 195 minutes.
B. Up to 30 seconds
The fire detectors located in the forward and aft cargo holds detect a fire by what means?
Select one:
A. Detecting heat above a pre-set value only.
B. Forward cargo compartment set to detect smoke only, due to hot air from cabin conditioning system being discharged into forward cargo hold, aft cargo compartment set to detect both smoke and heat.
C. Detecting either smoke or heat above a pre-set value.
D. Detecting smoke only
D. Detecting smoke only
How many fire extinguisher bottles are fitted for the Cargo compartments?
Select one:
A. 1 fire extinguisher bottle, that can be selected to be discharged into either cargo hold.
B. 2 fire extinguisher bottles, one for forward cargo hold, and one for rear cargo hold.
C. 2 fire extinguisher bottles, 1 rapid discharge bottle and one smaller slow discharge bottle.
D. 1 fire extinguisher bottle that can only be discharged into forward cargo hold.
A. 1 fire extinguisher bottle, that can be selected to be discharged into either cargo hold.
What is the effect of pulling up the No1 Fire DISCH switch?
Select one:
A. Closes engine and spar fuel shutoff valves, closes engine bleed air valve, trips IDG control relay, closes hydraulic fluid shutoff valve and isolates EDP low pressure light, disables thrust reverser, arms one Squib on both engine fire bottles, and allows the DISCH switch to be rotated left or right.
B. Extinguishes Master Caution and Fire Warning lights, silences Fire Warning Bell, shuts down No1 engine, and discharges No1 Fire Bottle into No1 engine.
C. Closes engine and spar fuel shutoff valves, closes inlet valve to both Air Conditioning Packs, trips IDG control relay, arms both Squibs on both on both engine fire bottles, and allows the DISCH switch to be rotated left or right.
D. Closes engine fuel shutoff valve, closes engine bleed air valve, trips IDG control relay, closes hydraulic fluid shutoff valve and isolates EDP low pressure warning light, disables thrust reverser, arms Squib on No1 engine fire bottle, and allows the DISCH switch to be rotated to the left to discharge bottle into N01 engine.
A. Closes engine and spar fuel shutoff valves, closes engine bleed air valve, trips IDG control relay, closes hydraulic fluid shutoff valve and isolates EDP low pressure light, disables thrust reverser, arms one Squib on both engine fire bottles, and allows the DISCH switch to be rotated left or right.
How can the Fire Warning Bell be silenced?
Select one:
a. The fire warning bell is only silenced once the condition causing the Overheat or Fire warning has been removed.
b. Only by pushing the Master FIRE WARN light
c. Pushing Master FIRE WARN light or pushing the BELL CUTOUT switch located on the Overheat/Fire Protection panel.
d. Pushing the Master FIRE WARN light, or pushing the bell mute button located next to the speaker on the flight deck ceiling.
c. Pushing Master FIRE WARN light or pushing the BELL CUTOUT switch located on the Overheat/Fire Protection panel.
What do the 3 green illuminated lights at the bottom right of the diagram indicate?
Flight Deck Fire Panel
Select one:
A. All fire extinguisher bottles are at the required pressure
B. Fire warning system test completed satisfactorily.
C. Fire Switch unlock test satisfactory.
D. Fire extinguisher circuit test is normal
Fire extinguisher circuit test is normal
If after moving the FAULT/INOP - OVHT/FIRE TEST switch to the OVHT/FIRE TEST position, one engine fire switch fails to illuminate. How would you determine which detector loop had failed?
Select one:
A. Carry out the test again with the switch selected to FAULT/INOP testing each loop individually with the OVHT DET switch at A then B.
B. Move to FAULT/INOP - OVHT/FIRE switch to the central TEST position, then test one loop at a time using the OVHT DET switch selected first to A and then B.
C. Carry out the test again one loop at a time using the OVHT DET switch selected to A and then B.
D. This indication only occurs when BOTH loops have failed.
C. Carry out the test again one loop at a time using the OVHT DET switch selected to A and then B.
How can you determine if the toilet fire extinguisher has been discharged?
Select one:
A. Lavatory Fire warning illuminated on flight deck.
B. Extinguisher discharge nozzle will have changed colour
C. Pressure gauge on fire bottle in the green zone.
D. Fire bottle will have it’s “pop-out” indicator exposed.
E. Discharge indicator panel above lavatory door illuminated.
F. Steady red light remains illuminated on Lavatory ceiling smoke detector panel after alarm tone has silenced.
B. Extinguisher discharge nozzle will have changed colour
True or false - To extinguish an APU fire from outside of the flight deck, the APU fire control handle needs to be pulled down first before the fire bottle discharge switch is operated.
APU Ground Control Panel
Select one:
True
False
True
Ryanair’s B737-800 aircraft only have 1 cargo fire extinguisher bottle fitted.
Select one:
True
False
True
The Engine Fire DISCH switches are mechanically locked in the Down position and can only be pulled Up when an Overheat or Fire is detected and the switch has illuminated.
Select one:
True
False
False
The engines each have an overheat light and an illuminated fire switch. The APU has an illuminated fire switch but no overheat light. The cargo compartments and the main wheel well have only fire warning light(s).
Select one:
True
False
True
The engines and APU have fire extinguishing systems, but the cargo holds and wheel well have only suppression systems.
Select one:
True
False
False