EED Flashcards
The ____ also processes the Master EED transmitted data for display on either cockpit MFD EED display page when selected by the aircrew
MDP
During engine starts using battery power, if battery voltage is less than _____, the EED display powers up at maxi- mum Day Mode brightness regardless of O/N/D switch position.
22 VDC
Erroneous or fluctuating engine sensor data displayed on the Master EED should be confirmed with the other cockpit by _____
switching the EED Master/Slave relationship mode.
With ambient temperatures above ___ °F, the EED comes on within ___ seconds. If the ambient temperature is below __ °F, it may take up to ___ minutes for the EED to come on. The EED display brightness may initially be dim during cold weather startup.
32; 15
32; 5
EED maximum display brightness in Night Mode is approximately ___% of the maximum Day Mode brightness intensity.
10
The EED includes the following engine and fuel indicators (7 total)
- ENGINE TACHOMETER (RPM)
- Exhaust Gas Temperature (EGT)
- Nozzle Position (NOZ)
- Oil Pressure (OIL)
- Fuel Flow (FF)
- Fuel Quantity
- Total Fuel Quantity
Tachometer: The tic marks adjacent to the numerals are white except for the tic marks adjacent to __ and __, which are green.
5; 10
Tachometer coloured: Light green arc (WOW)
46 - 50%
Tachometer coloured: Dark green arc (WOW)
99 - 101%
Tachometer coloured: one longer tic mark at ____
107%
The Master EED receives a ____ produced by the exhaust gas temperature thermocouples to interpret and display the engine EGT.
DC voltage
EGT coloured: Dark green arc at ____
630 - 650°C
EGT coloured: Long red tic marks at ____
845° and 925°C
If an EGT exceedance over ___ °C, but not in excess of ___ °C, is indicated without an EGT OVERTEMP CAUTION after brake release, that mission may be continued.
650; 665
f the Master EED is unable to detect the EGT sensor signal or senses ___ EGT, the analog pointer and digital readout display ___ until a valid sensor signal is detected;
0°C; 0°C
The Master EED receives three _____ produced by the nozzle position transmitter to interpret and display engine nozzle position.
DC voltages
The Master EED receives three ____ in a synchro format from the oil pressure transmitter to interpret and display engine oil pressure
AC voltages
The pointer displays engine oil pressure from ____ on a round analog scale
0 - 80 PSI
The pointer displays exhaust nozzle position as a percent of maximum open nozzle position from ___ labeled in ___ increments on a round analog scale
0 - 99%
20%
Tachometer coloured: Dark green arc
101 - 104% (Weight off wheels)
The Master EED receives ___ voltage from the tachometer transmitter for each engine and uses the frequency to interpret and display the engine RPM
AC
If the Master EED is unable to detect the RPM sensor signal or senses 0% RPM, the analog pointer and digital readout display ____ RPM until a valid sensor signal is detected;
0%
Oil pressure coloured: light green tic mark (1)
10 PSI
Oil pressure coloured: dark green tic marks at (4)
20, 30, 40, 50 PSI
Oil pressure coloured: Long red tic marks (2)
5 and 55 PSI
Oil pressure coloured: light green arc (range)
5 - 19 PSI
Oil pressure coloured: dark green arc (range)
20 - 55 PSI
Oil pressure analog pointer turns red and title remains white under the following conditions (4)
a. <5 PSI instantaneously with WOW
b. <5 PSI for 10 seconds continuously with weight-off- wheels
c. ≥56 PSI for 6 minutes continuously with WOW
d. ≥56 PSI instantaneously with weight-off-wheels
Oil pressure analog pointer and OIL title turns red under the following conditions (2)
a. <5 PSI for 30 seconds continuously with weight-off- wheels
b. ≥56 PSI for 30 seconds continuously with weight-off- wheels
If the Master EED is unable to detect the oil pressure sensor signals, the analog pointer and digital readout are blanked and ____ is displayed in the center of the respective indicator until valid sensor signals are detected
OFF
The Master EED receives three _____ in a synchro format from the FF transmitter to interpret and display fuel flow.
AC voltage
Fuel Flow: There are white tic marks labeled and spaced at every ____
1000 PPH
Fuel Flow: short white tic marks at
360 PPH
Fuel Flow: light green bars between ____
400 - 600 PPH
Fuel Flow: Dark green bars between ____
2100 - 2700 PPH
Before engine start, with external or battery power applied, the EED FF indicator(s) should read no higher than ___ PPH. A higher indication may be an indication of EED failure or a fuel transmitter failure.
60
If the Master EED is unable to detect the FF sensor signals, the solid white bar and digital readout for that engine are blanked and ___ is displayed in place of the digital readout until valid sensor signals are detected
OFF
The left and right fuel systems contain a fuel quantity sensor. The Master EED transmits _____ to each sensor and receives _______ from each sensor to interpret and display fuel quantity.
two AC signals
one AC signals
Fuel QTY: The solid bar indicators are colored white unless the mea- sured quantity of that system is ____ or less for more than ___, then the bar turns ___
250 lbs; 7.5 s; red
Fuel QTY: The imbalance indication is as follows:
No display ___
White ___
Red: ____
0 - 50 lbs
60 - 190 lbs
≥ 200 lbs
When the _____ switch is in the ON position, the top of the two solid bar fuel quantity indicators is attached with a solid magenta line
CROSSFEED
If the Master EED is unable to detect the fuel quantity sen- sor signals or the right oil pressure synchro reference, the solid bar indicator and digital readout for that fuel system and total fuel quantity are blanked and ____ is displayed in place of the digital readouts until valid signals are detected
OFF
Turning on pitot heat or exterior lighting (i.e. Landing/Taxi and Formation Lighting) may cause up to ____ pound change in displayed fuel quantity depending on internal/external power sources. Changes of greater than ____ pounds are indicative of fuel quantity probe failure.
±100
±100
An internal EED overtemperature situation arises when the internal EED display temperature exceeds limits. In an over- temperature situation, the display brightness is reduced by ____ (Day Mode only) and EED HOT is displayed in the EED message window.
50%
