Systems Final Questions Jackie's (Question 18 to 146)
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Systems
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Systems
Systems Final Questions Jackie's (Question 18 to 146)
(18) During normal operations, IDG 1 powers AC bus 1 and IDG 2 powers AC bus 2. Failure of an IDG generator will automatically transfer the load from the failed IDG to the remaining operative IDG, unless what situation has occurred? - Answer ...
Systems Final Questions Jackie's (Question 18 to
146)
(18) During normal operations, IDG 1 powers AC bus 1 and IDG 2 powers AC bus 2. Failure of
an IDG generator will automatically transfer the load from the failed IDG to the remaining
operative IDG, unless what situation has occurred? - Answer -A fault on its associated bus
(19) The pilots can prevent the transferring of the load from one IDG to the other by - Answer -
Selecting the associated AUTO XFER switch light
(21) The crew can override the ADG by pressing the - Answer -PWR TXFR OVERRIDE button
on the ADG control panel
(22) Turning on the Batter Master switch - Answer -Connects the APU and MAIN battery direct
busses to the battery bus
(28) Which DC busses are all hot buses (they continuously powered at all times from the
batteries) - Answer -The Main battery direct bus, APU battery direct bus, and the Emergency bus
(31) If a complete loss of AC power occurs, the ESS TIE will close to connect the - Answer -DC
essential bus to the battery bus for emergency power
(33) If there is a failure of TRU 1 or 2, when the MAIN BUS TIE closes, the DC utility bus is -
Answer -Shed to reduce load draw on the remaining TRUs
(35) If AC bus 2 fails, essential TRU 2 will be - Answer -Powered from the AC essential bus
(36) A status message on ED2 that reads 'APU BATT CHGR' indicates what condition? -
Answer -APU battery is either overheated or not charging
(37) Ground power and --- are the sources of power for the DC Electrical System - Answer -
TRU
(39) What do the Main and APU Batteries power? - Answer -The batteries provide constant
power to the MAIN and APU BATT DIR BUS, and are capable of powering the DC BATT BUS
and DC EMER BUS when needed
(41) How many doors on the CRJ are monitored? - Answer -7
(42) How many doors can only be operated from outside the aircraft on the CRJ-700? - Answer -
4
, (45) Which doors on the CRJ are not monitored? - Answer -The aft equipment bay door and the
cockpit overhead escape hatch
(47) The ICE DETECTION system is tested on the ground by - Answer -Pushing the DET/TEST
switch-light for 5 seconds
(48) With the Anti-Ice in the flight mode, the controllers automatically supply - Answer -Full
power to all the air data probes and sensors
(49) The LH and RH PROBES switches have no effect on the function of the anti-ice controllers
- Answer -when in flight
(50) How does a pilot de-mist and de-frost the windshields and the side windows? - Answer -
Move the WSHLD switch to the LOW position
(51) The WSHLD switch in the HI position will apply high temperature to DE-ICE the
windshields but - Answer -The side windows will remain at the low temperature setting
(52) The windshield wiper system is designed to remove rain and/or snow from the pilot and co-
pilot's windshields at speeds up to --- knots. - Answer -250
(53) Wing ANTI-ICE is manually activated by turning on the system, but the respective wing
anti-ice valves - Answer -automatically move to open or closed positions as necessary to prevent
ice formation
(54) In the event one wing anti-ice system fails, the pilots can - Answer -Open a cross bleed
valve to allow bleed air to flow between systems
(55) A fan inlet temperature sensing probe (T2) is used to - Answer -Provide temperature data to
the Full Authority Digital Engine Control
(MT) With the bleed valves selected AUTO, will selecting the bleed source to R ENG change
the bleed source? - Answer -No, the bleed source rotary switch is only operable when the bleed
valves switch is selected to MANUAL
(MT) In MANUAL mode with the APU as the bleed source, selection of wing or cowl anti ice
will cause the APU LCV to close, but will not open the engine bleed valves. - Answer -True
(MT) What is the maximum cabin pressure differential for opening the cabin door at the gate? -
Answer -The cabin must be completely depressurized prior to opening any of the airplane doors.
(MT) What determines whether 6th or 10th stage bleed air is used? - Answer -The ACSC
automatically determines which bleed air source is to be used based on system demand.
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