Powerplant Flashcards
Know XLS powerplant
The primary thrust indicator for the PW545A/B engine is.
A. Fuel flow
B. N1
C. ITT
D. N2
B
If your ignitor plug should fail during engine start
A. The engine will start normally
B. It will result in a hot start
C. Combustion will not occur
D. Engine start will be slower than normal
A
Ignition during normal engine start is activated by
A. Turning the Ignition switches to on at 8 to 10% N2
B. Moving the throttle to idle at 8 to 10% in 2
C. Depressing the start button
D. Ignition Is not required during normal engine start
B
Of the following statement concerning the PW545A/B engine the correct one is
A. Is fuel from the engine fuel system is used to cool engine oil through a fuel oil heat exchanger
B. The engine accessory gearbox has its own oil lubricating system independent of the engine itself
C. Fuel is warmed through the fuel oil heat exchanger
D. Both A and C
D
If the in one turban shaft shifts to the rear
A. The engine automatically shuts down
B. The vibration detection causes Illumination of the master warning light
C. The synchronizer shuts the engine down
D. Saying occurs
A
The following engine instruments are available in an event of a loss of normal DC electrical power (emergency power only)
A. N2 rpm
B. N1 rpm, N2 run, and ITT
C. N1 rpm (tape and digital display)
D. N1 rpm (tape only)
B
The ENGINE SYNC switch
A. Should be an fan for takeoffs and landings
B. Should be in TURB at attitude
C. Can be placed in FAN or TURB after takeoff and should be left there for the remainder of the flight
D. It should be OFF for large power changes
D
Regarding the electric engine control system
A. Place the EEC switch off prior to engine start
B. Low speed ground idol is controlled by the EECs
C. Engine sync is operational with or without the EEC operational
D. If the EEC trips offline in flight EEC MANUAL L-R anunciator illuminates the throttle detents will remain operational
B
During engine start
A. N1 should be registered by 25% N2
B. ITT should not exceed 740°
C. Generator assist start should not be Initiated until the operating engine RPM is stabilised at 60% N2
D. Both A and B
D
Is starting engines with the ground power unit GPU
A. Stabilise voltage output 28 VDC
B. Yet amperage output should be adjusted not to exceed 1,200 amps
C. The minimum amperage for the GPU output is 500 amps
D. After engine starts are complete place generator online prior to disconnecting APU
A
During right engine start, the right start switch light remains illuminated. How can you correct this.
A. Shut down that engine
B. Turn the right generator switch to reset then on turn on
C. Engage the battery disconnect switch
D. Push the starter disconnect button
D
When you move the throttle back out of the CRU detent to avoid an overspeed during cruise flight are the EECs still controlling the engine
A. Yes, with all functions
B. Yes, but the engine will not synchronise
C. No, you must manually set the engine
D. No, the EEC switch must be placed in MAN
A
Select the correct statement regarding the engine oil system
A. The oil level should be checked between 5 to 10 minutes after shut down
B. If the oil level indicates below the range marks on the saddle tank oil must always be added
C. Add no more than 2 qt in a 5 hour.
D. Any turban oil may be used, with no restrictions
A
When using the operating engine for a cross generator start
A. The operating engine must be at 52% N 1
B. The operating engine must have the GEN switch OFF
C. The operating engine must be stable at idle
D. The EEC switches must be in the MAN position
C
If the BLEED OFF VALVE, or BOV, sticks open, what indications will you give
A. Slow throttle response
B. About 30゚ ITT increase for that engine
C. EECs will revert to manual
D. You will notice no indications
B