CRJ550 Systems Knowledge Exam Practice Exam

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• What triggers the automatic start of a hydraulic pump when the switch is set to AUTO?
• How are primary flight control surfaces typically moved?
• What do the standby static ports supply static pressure to?
• How is fuel in the center tank transferred to the wing tank?
• What powers hydraulic system 3?
• The _____ modulates to regulate the bleed air pressure to about 45 psi?
• Which EICAS messages cannot be paged?
• How can the status page be displayed after the failure of EICAS display ED1?
• Which of the following is NOT a function of the APU?
• What does the term "declutter" refer to on the PFD?
• Each hydraulic system is powered by how many hydraulic pumps?
• Which switch is pressed to turn on both Flight Directors and disengage the autopilot when airborne?
• In PITCH mode, how much does one click of the VS wheel change the pitch reference?
• What are the FADECs powered by?
• How is the secondary bulb activated if one wing tip navigation light bulb fails?
• What typically happens to the main cabin door when it is opened from the inside?
• Which system can be affected by a hydraulic pump failure?
• What is the function of the EMER FLAP switch when moved to the DEPLOY position?
• What is the maximum altitude for starting the APU?
• To make a cabin announcement using the Public Address System, what is the first step?
• Which door is not shown on the DOORS synoptic page?
• What are the adopted VFE speeds for GoJet regarding selected flap settings?
• What is the primary purpose of the APU?
• What is the maximum altitude for single pack operation?
• What is the primary method for moving fuel from the collector tanks to the engines?
• What is the primary means of navigation indicated in the cockpit?
• How many independent systems provide hydraulic power?
• What is the maximum positive cabin pressure differential in the aircraft?
• What maneuver can enhance the transfer when utilizing gravity crossflow in flight?
• The isolation valve is an electric motor-controlled shutoff valve which _____?
• Where are the reference speeds, minimum descent altitude, decision height, and barometric altimeter settings entered?
• What is the purpose of the EICAS status page?
• The N2 compressor is connected to how many stages of the turbine?
• What tailwind component is the same for both takeoff and landing?
• When the Captain's NORM/EMER switch on the Audio Control Panel is selected to EMRG, what happens?
• For approximately how long will emergency lights be powered during an emergency?
• Where are taxi lights installed on the aircraft?
• What aspect of the FMA is crucial for pilots during flight operations?
• How is fire detection achieved in the forward cargo compartment?
• What occurs when the pitch disconnect T handle is used?
• What is the maximum allowable ground speed for turbulent air penetration?
• How many stages does the N2 compressor consist of?
• What is the maximum tailwind component permitted for landing?
• In the lavatory, which device is used to automatically extinguish a fire?
• Is the APU capable of supplying bleed-air to the anti-ice system?
• Which instrument displays glide slope and localizer information?
• At touchdown, wheel lock-up is prevented by the ______.
• What is the time interval between subsequent APU start attempts?
• What triggers the bi-directional XFLOW pump to deactivate?
• At what temperature is the hydraulic high temperature caution message displayed?
• What function does the Engine PRSOV perform?
• What is the normal hydraulic reservoir quantity range?
• What do the safety valves regulate in the pressurization system?
• What can result from a failure of the primary navigation's consistency?
• What is the role of the controller regarding the drain masts heating?
• What type of air is primarily used to cool the PACKS?
• What does the discharge indicator signify in relation to the oxygen cylinder?
• What powers the emergency lighting system and when are they illuminated?
• Where is the slip indicator located in relation to the roll pointer?
• What type of fan does N1 consist of?
• After an EICAS Control Panel failure, which buttons remain operative?
• What type of air is ducted around the engine to produce thrust?
• When are the drain masts heated?
• Which component primarily manages the outflow valve operation in the pressurization system?
• What functionality allows for the FMS to manage the navigation system?
• What part of the system directly cools the avionics in the flight deck?
• What does the flight abort mode of the automatic pressurization system assume?
• During what conditions is engine synchronization disabled?
• What is the maximum fuel imbalance permissible for takeoff?
• What is the minimum bleed air pressure required for engine start?
• Loss of hydraulic system _____ will cause the nosewheel steering to go into free castoring mode.
• How long do oxygen generators provide oxygen to crew members?
• How many fire bottles are included in the APU fire protection system?
• What is required for ground spoilers to deploy automatically?
• When in an unsafe condition for flight, which door(s) will show a red indicator on the synoptic page?
• Which source supplies bleed air to the PACKS?
• What is the primary use of bleed air from the APU?
• What happens to the oxygen generator after 13 minutes?
• How many pumps power hydraulic systems 1 and 2?
• The DC EMER BUS powers the ________.
• What is the status of the claim that Pitot tubes P1 and P2 are pitot static tubes while P3 is only a pitot tube?
• What happens to the emergency lights during a total power failure?
• What must pilots ensure regarding oxygen supply when the cabin altitude exceeds 14,000 feet?
• How many outflow valves does the pressurization system incorporate?
• Which hydraulic systems must be powered when checking brake wear?
• In case of an emergency, which of the following doors provides crew a direct escape route?
• How many stages of turbine is N1 connected to?
• What is the primary power source for the potable/wash water system (PWS)?
• When does the bi-directional XFLOW pump activate?
• What will occur if the APU detects a fire during flight?
• How long does AHRS initialization take on the ground in magnetic mode?
• How many wing anti-ice schedules are there?
• When is the Cockpit Voice Recorder powered on?
• Which types of information does the Attitude and Heading Reference System provide?
• To preserve the power supply to the DC power buses when a TRU fails, ________ causing power to be routed to the affected buses.
• Which hydraulic system powers the landing gear?
• What is the minimum altitude for engaging the autopilot?
• How does the aircraft ensure navigation accuracy during satellite failure?
• What is the function of the APU fire protection system in flight?
• How long do photoluminescent floor strips require exposure to interior lighting to be sufficiently charged?
• What happens if a Cowl Anti-icing Duct ruptures?
• What method is used to cool the flight deck avionics?
• During a windshear warning, what should be done with the pitch according to recommended procedures?
• For what purpose is APU bleed air primarily used?
• The ADG powers ________.
• The primary source of AC electrical power is the ________.
• How many minutes of flight can the Cockpit Voice Recorder capture?
• When can caution messages be paged and boxed?
• During what phase of operation may the APU be used for engine starting?
• What is the purpose of photoluminescent strips installed along the floor?
• The electrical load placed on the APU generator must not exceed ________.
• How is pitch trim accomplished in an aircraft?
• What is the rated output of the TRUs in the DC electrical system?
• What does the "DOOR" aural warning indicate when an engine is running?
• What is the minimum air temperature in flight set at?
• What action is taken if a bleed air leak is detected?
• True or False: Both RTUs monitor and control COM 1 and COM 2.
• What action is required to manually transfer fuel from the center tank to the wing tank?
• What happens to the display when DME hold mode is selected?
• What is the maximum load capacity of the main cabin door?
• Which condition will cause the APU to shut down automatically?
• In which position should the DSPLY FAN switch be placed to allow conditioned air to cool the flight deck CRT displays?
• What is the minimum air temperature in flight?
• What is the purpose of the bypass air in the engine?
• How often should the standby static ports be checked for accuracy?
• What type of power is applied to the controller for the drain masts to heat?
• Can individual satellites be deselected from use on the FMS GPS Control Page?
• The ACARS system sends and receives communications through which channel?
• Bleed air leaks are detected by _____?
• What nominal pressure do hydraulic pumps pressurize each system to?
• What adjustment does the PFD make during extreme pitch or bank attitudes?
• What is the purpose of the roll disconnect T handle?
• Which of the following is a correct statement regarding the load capacity of cabin doors?
• What is the maximum tailwind component permitted for takeoff?
• Nosewheel steering may be accomplished using rudder pedals _____.
• What is the purpose of the rudder limiter?
• The Main battery is rated at ________ amp/hour and the APU battery is rated at ________ amp/hour.
• Which hydraulic system does the LG AUX EXT system use to extend the landing gear?
• Which cockpit light is powered by the battery bus and can drain the battery even when the master switch is OFF?
• How much does the one click of the VS wheel adjust in PITCH mode?
• In the event of an emergency, how long must you wait between APU start attempts?
• Does the heating of the drain masts depend on the controller ON/OFF state?
• What is the minimum amount of pavement required to complete a 180 degree turn?
• Selecting the AFT CARGO SMOKE PUSH button activates which of the following?
• What prevents the extension of the nose gear during an alternate gear extension procedure?
• What is the oxygen pressure required for dispatch with three cockpit crewmembers?
• In which mode does the pitch reference change by 1/2 degree with each click of the VS wheel?
• What mode maintains the commanded pitch attitude by ensuring selected airspeed?
• What is the classification of the turbine connected to the N2 compressor?
• How many times can the APU start sequence be attempted in one hour?
• How many hydraulic pumps does the CRJ utilize?
• From which source is fuel obtained for the APU?
• The APU is started using what mechanism?
• How does the bleed air system impact cabin pressurization?
• Where is the APU LCV located?
• DC power is supplied by ________.
• How long must AC power be applied to the aircraft to provide cooling for the EFIS tubes?
• What is the maximum altitude for using APU bleed air?
• What function does the RTU primarily serve in aircraft communication?
• Nosewheel steering can only be accomplished by the Captain using the tiller wheel, meaning the aircraft can only be taxied straight ahead if the Captain becomes incapacitated.
• The AC ESS XFER switchlight is used to ________.
• What occurs when both crossflow push buttons are selected during manual crossflow operations?
• At what pressure is the bleed air regulated for the potable/wash water system?
• How many safety valves are used to ensure the cabin pressure differential does not exceed limits?
• At what RPM does the APU starter cut out?
• What is the minimum oil temperature required for engine start on the ground?
• What does the DME hold function allow a pilot to do?
• From where does the Air Data Computer receive static air pressure measurements?
• When low pressure is detected in a left engine fuel feed line, which boost pump activates?
• The ACPC power distribution priority is ______.
• What method is used for fire detection in the lavatory?
• Which of the following is true?
• When is the roll limit reduced to half the normal value?
• The manufacturer VFE speeds are defined for which of the following?
• Which valve fails in the closed position?
• ________ powers the DC SERV BUS.
• On which side of the aircraft are the oxygen overboard indicator and service panel located?
• How many primary functions does the VHF navigation system perform regarding transmission and reception?
• What does SPEED mode cause the Flight Director to maintain?
• What information does the Flight Mode Annunciator (FMA) in the PFD display?
• What is the general maximum air temperature allowed for takeoff?
• What are the cabin pressure controllers responsible for?
• What happens when a cabin pressure control panel fails?
• What happens when either TOGA switch is pressed while airborne?
• What happens to the APU if it exceeds its operational limits?
• How does the APU contribute to environmental comfort in the aircraft?
• What happens to flaps if slat travel stops?
• Detection of an engine fire requires which of the following?
• How is cabin pressure maintained during flight?
• What is required to ensure the Cockpit Voice Recorder operates?
• What feature of the cockpit light can be a cause of battery drainage?
• Which condition will prevent the nose gear from extending in a hydraulic system?
• Extinguishing an APU fire is achieved with which of the following?
• When the TOGA switch is activated on the ground, what is one effect?
• When the cabin altitude is above what height does the crew oxygen mask supply pure oxygen?
• What happens to other transmissions when the pilot utilizes the PA system?
• How can an overheat condition of the main landing gear be resolved?
• What happens when the LH/RH ENG FIRE PUSH switchlights are selected?
• What component is primarily responsible for regulating the temperature during wing anti-icing?
• What is the ENG Ignition powered by?
• What is the minimum oxygen pressure required for dispatch with two cockpit crewmembers?
• What type of actuation does pitch trim utilize?
• Which unit can be used to tune the VHF navigation radios?
• After takeoff, what causes the bleeds to transfer from APU to engines?
• What mechanism is responsible for the illumination of seatbelt signs in the cockpit?
• Which component is primarily responsible for providing visual indications related to the oxygen system?
• If the APU electric fuel pump fails while the APU is running, what will happen?
• Under what conditions do the seatbelt signs automatically illuminate when the SEAT BLTS switch is set to AUTO?
• Which EICAS messages cannot be removed?
• At what cabin altitude do the passenger oxygen masks automatically deploy?
• What is the maximum speed for the windshield wipers?
• What is the fire detection method used in the aft cargo compartment?
• What type of data does the Air Data Computer provide to the Primary Flight Display?
• What is the maximum speed for turbulent air penetration?
• What percentage of thrust is produced by the ducted air around the engine?
• Which of the following is NOT a function of the PA system in the aircraft?
• What does HALF BANK limit concerning the Flight Director?
• What component is generally used to control the APU operation?
• How is fuel manually transferred?
• The maximum air temperature for takeoff is what value?
• Which door is specifically not displayed on the DOORS synoptic page?
• What component cools hydraulic systems 1 and 2?
• Upon detecting an APU fire in flight, what action does the APU automatic fire protection take?
• Engine synchronization is enabled at:
• What is the purpose of the Air Conditioning System Controller (ACSC)?