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UAL B737 Study (2.27.2024) > Com System > Flashcards

Com System Flashcards

1
Q

Audio warnings for altitude alert, the GPWS and windshear are heard through _________. They ________ be controlled or turned off by the crew.
() the speakers and headsets; cannot
() the headsets only; cannot
() the speakers only; cannot

A

The speakers and headsets; cannot

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2
Q

If the Audio Control Panel (ACP) is operating in the degraded mode, the crewmembers can _______________.
() only use the oxygen mask microphone to communicate
() only communicate on one radio (CA #1/FO #2) and the passenger address system cannot be accessed through the Audio Control Panel (ACP)
() continue to communicate normally using the hand mike

A

only communicate on one radio (CA #1/FO #2) and the passenger address system cannot be accessed through the Audio Control Panel (ACP)

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3
Q

Pushing a ____________, selects the related communication system for transmission and for reception regardless of whether the related receiver switch is on.
() Transmitter Selector (MIC SELECTOR) Switch
() Receiver Switch
() Push-To-Talk Switch

A

Transmitter Selector (MIC SELECTOR) Switch

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4
Q

Pushing a Receiver Switch, allows reception of related communication system or navigation receivers. __________ may be selected at a time.
() One switch
() Multiple switches
() Two switches

A

Multiple Switches

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5
Q

Pushing the Push-To-Talk Switch on the ACP to R/T (Radio-Transmit) keys the oxygen mask or boom microphone for ____________ transmitter selector.
() transmission as selected by
() reception as selected by
() all answers are correct

A

transmission as selected by

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6
Q

Pushing the Push-To-Talk Switch on the Audio Control Panel (ACP) to I/C (Intercom) keys the oxygen mask or boom microphone for ____________ and bypasses the transmitter selector.
() transmission over the flight interphone
() transmission over the passenger address system
() all answers are correct

A

transmission over the flight interphone

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7
Q

Placing the MASK-BOOM Switch in the MASK position selects
() the boom microphone for transmission
() the intercom system for transmission
() the oxygen mask microphone for transmission

A

the oxygen mask microphone for transmission

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8
Q

Placing the MASK-BOOM Switch in the BOOM position selects
() the boom microphone for transmission
() the intercom system for transmission
() the oxygen mask microphone for transmission

A

the boom microphone for transmission

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9
Q

Pushing and rotating the Speaker (SPKR) switch allows audio from the selected receiver to be heard on overhead speaker, and __________.
() adjusts overhead speaker squelch
() adjusts overhead speaker volume
() adjust overhead speaker volume and GWPS alerting volume

A

adjusts overhead speaker volume

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10
Q

On the Audio Control Panel, the V on the Filter Switch is for _______.
() receiving NAV voice audio
() transmitting NAV voice audio
() adjusts the squelch of the NAV voice audio

A

receiving NAV voice audio

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11
Q

On the Audio Control Panel, the R on the Filter Switch is for _______.
() receiving NAV range (code) audio
() transmitting NAV range (code) audio
() adjusts the squelch of the NAV range (code) audio

A

receiving NAV range (code) audio

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12
Q

The service interphone switch allows ______________.
() passengers (Channel 9) to be added to the service interphone system
() maintenance or service personnel to be added to the flight interphone system
() maintenance or service personnel to be added to the service interphone system

A

maintenance or service personnel to be added to the service interphone system

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13
Q

What does the Radio Tuning Switch located on the radio tuning panel select?
() The flight intercom to be tuned
() The VHF or HF radio to be tuned
() all answers are correct

A

The VHF or HF radio to be tuned

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14
Q

What is the function of the Radio Tuning Switch Panel Off Switch?
() Disconnects the pilots from the flight intercom
() Disconnects the jumpseater from the flight intercom
() Disconnects the panel from the communication radios, switch illuminates (white)

A

Disconnects the panel from the communication radios, switch illuminates (white)

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15
Q

What does the white Offside Tuning Light, located at the top of the Radio Tuning Panel indicate?
() It indicates that radio tuning panel is being used to tune a radio not normally associated with the radio tuning panel
() It indicates that radio tuning panel is being used to tune a radio not available
() The radio tuning panel has failed

A

It indicates that radio tuning panel is being used to tune a radio not normally associated with the radio tuning panel

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16
Q

What is indicated when INOP displayed in the frequency indicator on the Radio Tuning Panel?
() the radio tuning panel has failed
() the selected radio is not available
() the frequency is not available

A

the selected radio is not available

17
Q

What is indicated when PANEL FAIL displayed in the frequency indicator on the Radio Tuning Panel?
() the radio tuning panel has failed
() the selected radio is not available
() the frequency is not available

A

the radio tuning panel has failed

18
Q

It is _______ to operate the HF communication system in the transmit mode while fueling the aircraft.
() permissible
() not permissible

A

Not permissible

19
Q

The voice recorder uses ________ independent channels to record flight deck audio.
() three
() four
() five

A

Four

20
Q

The ERASE Switch (red) on the Voice Recorder Panel is operative _____________.
() only on the ground with the parking brake set
() only with the engines shutdown
() at any time if held continuously for 10 seconds

A

only on the ground with the parking brake set

21
Q

Pressing the Attendant (ATTEND) CALL Switch __________________.
() sounds a two tone chime and illuminates a pink Master Call Light in the Cabin
() sounds a horn in the nose wheel until released
() sounds a single tone chime in the cabin

A

sounds a two tone chime and illuminates a pink Master Call Light in the Cabin

22
Q

If the remote electronic unit or audio control panel malfunctions, the audio system_____________.

() reverts to degraded mode

() is inoperative

() is powered by the standby battery and works normally

A

reverts to degraded mode

23
Q

If the Audio Control Panel (ACP) is operating in the degraded mode, the Captain uses radio ______ for transmission and reception, while the First Officer uses radio ______.

() VHF-1; VHF-2

() VHF-1; VHF-3

() VHF-2; VHF-3

A

VHF-1; VHF-2

24
Q

On the Audio Control Panel, the B on the Filter Switch is for _______.

() transmitting both NAV voice and range audio
() adjusting the squelch on both the NAV voice and range audio
()receiving both NAV voice and range audio

A

receiving both NAV voice and range audio

25
Q

The primary purpose of the flight interphone system is to provide private communication between ____________.

() flight deck crew members without intrusion from the VHF-1 radio
()flight deck crew members without intrusion from the service interphone
() flight deck crew members without intrusion from the HF radio

A

flight deck crew members without intrusion from the service interphone

26
Q

The _________________ provides intercommunication between the flight deck, flight attendants and ground personnel.

() service interphone system
() flight interphone system
() passenger address system

A

service interphone system

27
Q

On the aft overhead panel, the service interphone switch allows ______________.

() passengers (Channel 9) to be added to the service interphone system
() maintenance or service personnel to be added to the flight interphone system
()maintenance or service personnel to be added to the service interphone system

A

maintenance or service personnel to be added to the service interphone system

28
Q

When using the passenger address (PA) system, the __________ announcements have first priority and override all other users.

() flight attendant
() flight deck
() automated entertainment

A

Flight deck

29
Q

An illuminated Flight Deck CALL Light (blue) indicates the flight deck is being call by the __________________.
() all answers are correct
() flight attendants
() ground crew

A

all answers are correct

30
Q

Pressing the Ground (GRD) CALL Switch __________________.

() sounds a two tone chime and illuminates a pink Master Call Light in the Cabin () flashes the taxi light three times
() sounds a horn in the nose wheel until released

A

sounds a horn in the nose wheel until released

31
Q

Pushing down on Push-To-Talk Switch, on the pilot control yoke, to INT (Interphone) keys the oxygen mask or boom microphone for ____________.
() direct transmission over the flight interphone
() direct transmission over the passenger address system
() all answers are correct

A

direct transmission over the flight interphone

32
Q

What switch can be pressed to improve the reception of weak VHF signals?

() Communication (VHF) Test (TEST) Switch
() HF Sensitivity Control
() Radio Tuning Panel Off (OFF) Switch

A

Communication (VHF) Test (TEST) Switch

33
Q

The B737-800 HF communication system has _____ HF systems. Each system has _________ HF antenna.
() two; a common or shared
() three; its own
() two; its own

A

Two; a common or shared

34
Q

SELCAL monitors frequencies on _________.

() all answers are correct
() VHF radios
() HF radios

A

All answers are correct

35
Q

An illuminated light on the Selective Calling (SELCAL) Panel ________.

() alerts crew of incoming communication from the flight attendants
() alerts crew to incoming communication on indicated radio
() alerts crew of incoming communication from ground crew

A

() alerts crew to incoming communication on indicated radio

36
Q

Pushing the TEST Switch on the Voice Recorder Panel, activates a green light, or raises the indictor into the green band, and ___________.

() sounds a tone over the flight deck speakers
() sounds a tone through the HEADSET jack located on the Voice Recorder Panel
() erases all channels Preflight

A

sounds a tone through the HEADSET jack located on the Voice Recorder Panel

UAL B737 Study (2.27.2024) (22 decks)

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