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361

In flight, the Master Caution Lights and the IRS Annunciation light illuminate. The indications to the right also occur which meansthatthe.

a. Left IRS has failed and the unit isinoperative.

b. Battery Bus has failed since it is the DC power source for the leftIRS

c. DC power source 1or the left IRS is not normal but the left IRS isstill powered by the ACStandby

d. left IRS should continue to operate for 5 minutes and thenfail

c. DC power source 1or the left IRS is not normal but the left IRS isstill powered by the ACStandby

362

Assuming no other IRS lights are illuminated, normal IRS operation can berestoredby       .

a. moving the left IRS Mode Selector to ALIGN and then back to NAV after 30seconds

b. No action is possible. The left IRS will fail after 5minutes

c. moving the left IRS Mode Selector to ATT and update the aircraftheading in line 5R in POS INIT Page 1/3 of theCDU

d. No action is required. The IRS is operating normally

d. No action is required. The IRS is operating normally

363

What is the back-up DC power source for the LeftIRS?

a. The Switched Hot Battery Bus

b. The Hot BatteryBus

c. The DC StandbyBus

d. A 24-volt DC battery separate of the aircraft battery that has a 30-minute lifespan

a. The Switched Hot Battery Bus

364

The aircraft is in level flight at FL 350 when this indication is observed. The left IRS Transfer Switch is in the NORMAL position. In this situation, the Left IRSis not providing accurate_____.

a. information to the Captain's instruments and the left IRS must be turned OFF

b. Attitude and heading information to the Captain's instruments. To restore attitude information, select ATT on the #1 IRS Mode Selector andmaintain wings level and constant airspeed tor 30seconds

c. Information to the Captain's instruments. To restore the system, select ALIGN on the #1 IRS Mode Selector, then select NAV after the ALIGN Light extinguishes (approximately 30seconds)

d. Heading and attitude information to both the Captain's and First Officer's instruments. Movethe IRS Transfer Switch to BOTH ON R to restore the FO'sinformation

b. Attitude and heading information to the Captain's instruments. To restore attitude information, select ATT on the #1 IRS Mode Selector andmaintain wings level and constant airspeed tor 30seconds

365

The-ORH directs you to place the #11 IRS Mode Selector to ATT. Once in this mode, the leftIRS does not calculate. Select the most correctanswer.

a. acceleration or vertical speed, thus MAX deceleration should be selected on AUTO BRAKE SelectSwitch

b. Position, ground speed, track, or winds. Heading is available after the ALIGN light is extinguished (approximately 30seconds)

c. acceleration, vertical speed, ground speed, track, position, heading, and winds.

d. All statements arecorrect.

c. acceleration, vertical speed, ground speed, track, position, heading, and winds.

366

To continue operations with the IRS Mode Selector Unit in this configuration, you must

a. Monitor aircraft heading using a different source and periodically enter corrected heading inthe CDU POS INIT Page or by selecting HDG/STS on the IRS DisplayUnit.

b. Do nothing. The CDU will update corrected heading automatically from theISFD

c. Monitor aircraft heading using a different source and periodically reset corrected heading inthe CDU POS INIT page. Also, select BOTH ON R with the IRS TransferSwitch

d. Shut the left IRS off. Heading Information cannot beupdated

a. Monitor aircraft heading using a different source and periodically enter corrected heading inthe CDU POS INIT Page or by selecting HDG/STS on the IRS DisplayUnit.

367

With the indications in flight on the left IRS panel, you should place the #1 IRS Mode Selector to _____.

a. ALIGN while maintaining wings level for approximately 30 seconds, thenmove the selector back to NAV to regain attitudeinformation

b. ATT while maintaining wings level for approximately 30 seconds, then movethe selector back to NAV to regain attitudeinformation

c. OFF momentarily, then move the selector back to NAV and maintainwings

level and constant airspeed for approximately 30 seconds to regain attitude information

d. ATT while maintaining wings level and constant airspeed for approximately 30 seconds andleave the IRS in ATT mode

d. ATT while maintaining wings level and constant airspeed for approximately 30 seconds andleave the IRS in ATT mode

368

While still at the gate you confirm that external power is connected. What additional conclusioncan be made based on the indications shown for the left IRSpanel?

a. The right IRS is unpowered.

b. The ground-call horn in the nose wheel well will not activatesince normal AC power is on thebusses.

c. The left IRS is powered by the AC StandbyBus.

d. AC power to the number 1 IRS has failed

d. AC power to the number 1 IRS has failed

369

A bleed air duct leakinthe    will cause this light toilluminate.

a. Left engine strut. right inboard wing leading edge, or the leftair conditioningbay

b. left engine strut, left inboard wing leading edge, left air conditioning bay, keel beam, or the APU bleed airduct

c. left engine cowling or left inboard wing leadingedge

d. anti-ice duct outboard of the left engine or the APU bleedair duct

b. left engine strut, left inboard wing leading edge, left air conditioning bay, keel beam, or the APU bleed airduct

370

Pushing the TRIP RESET switch will reset the WING-BODY OVERHEATlight         .

a. if the light was caused by high pressureonly

b. if the light was caused by high temperatureonly

c. Never. This light cannot be reset with the TRIP RESET switch

d. if the light was caused by either high temperature or highpressure

c. Never. This light cannot be reset with the TRIP RESET switch

371

The aircraft is climbing through 5,000 ft when this light illuminated. Whatcaused this lightto illuminate?

a. Wing anti-ice is ON and an overheat condition has occurred inthe wing.

b. Engine #2 anti-ice is ON and an overheat has occurred in the cowllip.

c. An overheat or an overpressure condition has occurred in the#2 engine bleed airduct.

d. The left pack has overheated. The right pack was unable tomeet pressure demands and tripped off.

c. An overheat or an overpressure condition has occurred in the#2 engine bleed airduct.

372

 

What happened when this light illuminated in flight?

a. The #2 engine bleed air valve closes automatically.

b. The isolation valve was open but will now closeautomatically.

c. The #2 engine bleed air valve will close only if the duct temperature reaches apredetermined limit.

d. The bleed air valve does not close with a bleedtrip.

a. The #2 engine bleed air valve closes automatically.

373

The flaps were retracted in flight when this light illuminated. The QAH directs the crew to RESETthe tripped bleed. The BLEED TRIP OFF Light remains illuminated. The QRH then directs the crew to turn OFF the Right A/C Pack Switch.Therefore,the      .

a. left pack switches to “high air flow" mode after the isolation valvecloses

b. right pack switches to "high air flow mode after the isolation valveopens

c. left pack remains shut down and the right pack switches to "high air flow”mode

d. right pack remains shut down and the left pack switches to "high air flow"mode

d. right pack remains shut down and the left pack switches to "high air flow"mode

374

While in level flight at FL350 with the WING ANTI-ICE Switch ON, the amber lights shown on the right illuminate. Which location could be the source of the bleed airleak?

a. APU Bleed AirDuel

b. KeelBeam

c. Right-Hand Air Conditioning Bay

d. Right Wing Anti-IceDuct

c. Right-Hand Air Conditioning Bay

375

These illuminated amber lights, confirm the existence of a bleed air leak. The Wing Anti-lce Switch is ON. What is the first corrective action stepin thiscircumstance?

a. Turn OFF the BLEED Air Switch on the affectedside.

b. Close the Isolation Valve

c. Turn OFF the Air Conditioning PACK Switch on the affectedside.

d. Select the WING ANTI-ICE Switch toOFF.

b. Close the Isolation Valve

376

Which statement below most accurately describes what will happen when you press the TRIPRESET Switch in thisscenario?

a. The Right WING-BODY OVERHEAT Light will extinguish if the problem has been corrected.

b. Nothing

c. The Right WING-BODY OVERHEAT Light will extinguish momentarily, then re-illuminate ifthe problem still exists.

d. The Left Air Conditioning Pack will regulate to high flow if the flaps areup.

b. Nothing

377

What would cause this light toilluminate?

a. #2 Bleed Switch ON, Isolation Valve Closed, and APU Bleed ValveOpen

b. Isolation Valve Open and APU Bleed ValveClosed

c. #1 and #2 Bleed Switches ON, APU Valve Open, and Isolation Valve Open

d. #1 and #t2 Engine Bleed SwitchesOFF

c. #1 and #2 Bleed Switches ON, APU Valve Open, and Isolation Valve Open

378

What are the restrictions when this light isON?

a. There are norestrictions.

b. Two packs and one bleed source cannot be operatedsimultaneously.

c. Throttles idle, if #1 Engine Bleed Open, or #2 Engine Bleed Open and Isolation ValveOpen.

d. The APU and either engine cannot be run at the sametime.

c. Throttles idle, if #1 Engine Bleed Open, or #2 Engine Bleed Open and Isolation ValveOpen.

379

We can operate a single engine taxi (On #2 Engine) with a dual bleed lighton by         .

a. ensuring duct pressure is less than 30psi

b. Remaining parked. Single Engine Taxi is notallowed

c. closing the isolation valve

d. closing the #2 Engine Bleed

c. closing the isolation valve

380

This light will illuminate for all of the following conditions EXCEPT         .

a. loss of DC power

b. controller or outflow valve control fault

c. cabin altitude at 14,000 feet

d. excessive ratio of cabin pressure change (+12,000 sea levelfeet/minute)

c. cabin altitude at 14,000 feet

381

This illuminated light on the Cabin Pressurization Panel indicatesthat          

a. the primary controller has failed and the system has switched to the other auto controller (ALTN Mode)

b. the back-up auto controller (ALTN Mode) is unavailable if the primary controller shouldfail

c. neither pressure controller has failed

d. both pressure controllers have failed

d. both pressure controllers have failed

382

In this situation, the QRH directs placing the pressurization mode in ALTN. What indicationsshould you have after this step is accomplished?

a. The AUTO FAIL and ALTN lights remainilluminated.

b. The AUTO FAIL light remains illuminated and the ALTN lightextinguishes.

c. The AUTO FAIL light extinguishes and the ALTN light remains illuminated.

d. Both the AUTO FAIL and Al TN lightsextinguish.

c. The AUTO FAIL light extinguishes and the ALTN light remains illuminated.

383

After moving the Pressurization Mode Selector to ALT per the QRH, the AUTO FAIL light remains illuminated. The QRH now directs to move this switch to MAN. What affect does this step have on the pressurizationsystem?

a. The manual controller moves the outflow valve at the same rate as the autocontrollers.

b. The manual controller moves the outflow valve at a slower rate than the autocontrollers.

c. The manual controller moves the outflow valve at a faster rate than the autocontrollers.

d. All three controllers use the same motor to operate the outflowvalve.

b. The manual controller moves the outflow valve at a slower rate than the autocontrollers.

384

The crew has elected to return to the departure airport. During descent, this light illuminates on the Cabin Pressurization Panel. What other crew action is required in conjunction with this light beingon?

a. No other action is required.

b. The crew must change landing altitudeonly.

c. The crew must change flight altitudeonly.

d. The crew must change both flight altitude and landingaltitude.

a. No other action is required.

385

The departure airport is now closed for weather and the crew elects to fly to an alternatedestination at a flight altitude lower than planned. With this light on, the crew should                                                                        .

a. leave the pressurization panel as itis.

b. change the FLT ALT window but not the LAND ALTwindow

c. change the LAND ALT window but not the FLT ALTwindow

d. change both the FLT ALT and LAND ALT windows

d. change both the FLT ALT and LAND ALT windows

386

What is the reason why this light originallyilluminated?

a. The aircraft started descent prior to reaching the hallway point in theroute.

b. The aircraft started descent prior to flying 400NM.

c. The aircraft started descent prior to reaching the cruise altitude set in the FLT ALT window.

d. The aircraft started descent prior to reaching the altitude set in the LAND ALTwindow.

c. The aircraft started descent prior to reaching the cruise altitude set in the FLT ALT window.

387

In flight, at 29,000 ft, these lights illuminate on the Cabin Pressurization Panel. What is the statusof the pressurizationcontrollers?

a. The standby auto controller has failed and the primary auto controlleris maintaining pressure.

b. Both the primary and standby auto pressure controllers havefailed.

c. The primary auto controller has failed and the system did not automatically switch to ALTNMode.

d. The primary auto controller has failed and the system has automatically switched to the standby auto controller (ALTNMode).

d. The primary auto controller has failed and the system has automatically switched to the standby auto controller (ALTNMode).

388

How does this condition affect the operation of the pressurizationsystem?

a. The maximum pressure differential is less since we are using the standby autocontroller.

b. The pressure differential is being maintained at the pressure relief valvelimit.

c. The outflow valve will operate slower with the standby autocontroller.

d. There is no difference in operation when using the standby auto controller.

d. There is no difference in operation when using the standby auto controller.