Communication

Question 1

How can the volume of the aural warning system be adjusted?

(A). With the speaker volume knob on either ACP

(B). With the HI/LO switch on the miscellaneous test panel

(C). Automatically, with the engines running

(D). It cannot be adjusted

Answer 1

It cannot be adjusted

Question 2

The 1/2 button on the RTU is used for:

(A). Tuning a failed RTU

(B). Cross side tuning of an RTU

(C). Shifting the FMS auto-tune function

(D). None of the above

Answer 2

Cross side tuning of an RTU

Question 3

What radios are tuned in the Back Up tuning unit?

(A). COM 1, NAV 2

(B). COM 1, NAV 1

(C). COM 2, NAV 1

(D). COM 1, COM 2

Answer 3

COM1, NAV1

Question 4

If both RTUs fail or if there is a complete loss of AC power, what radios remain operative?

(A). None

(B). Only COM 1 through the BTU

(C). Only NAV 1 through the BTU

(D). COM 1 and NAV 1 are available

Answer 4

COM 1 and NAV 1 are available

Question 5

What is the purpose of the EMER/NORM switch on the ACP?

(A). Sets the transponder code to 7700

(B). Establishes communication when the oxygen masks are in use

(C). Bypasses the electronic circuits of the integrating system and connects the captain’s headset to VHF 1 and NAV 1

(D). Renders the aural warning system inoperative

Answer 5

Bypasses the electronic circuits of the integrating system and connects the captain’s headset to VHF 1 and NAV 1

Question 6

What is the purpose of the emergency switchlight?

A). Automatically sets the transponder to 7700

B). Automatically sets COM1 to 121.5

C). Notifies the flight attendants of an emergency by means of a high-low chime and a flashing red light

D). A and B

Answer 6

Notifies the flight attendants of an emergency by means of a high-low chime and a flashing red light

Question 7

How many VHF communication radios are there in the aircraft? Which ones can the pilots control?

2/COM1 COM2

3/COM1 COM2

4/COM1 COM2 COM3

3/COM1 COM2 COM3

Answer 7

3/COM1 COM2

Question 8

How do you know that an RTU has failed

A). You are unable to change any frequencies, the box freezes

B) An EICAS warning is generated

C). The display becomes blank

D). A and B

Answer 8

The display becomes blank

Question 9

Where does the Backup Tuning Unit receive its power?

A). DC BATT DIR BUS

B). DC EMER BUS

C). DC BATT BUS

D). DC ESS BUS

Answer 9

DC BATT BUS

Question 10

The NAV Source knob selects the navigation source for display on the PFD. Possible NAV sources are:

A). VOR

B). LOC

C). GPS

D). FMS

Answer 10

VOR
LOC
FMS

Question 11

Concerning aircraft communications systems, which statement is true regarding the priority of the PA (Passenger Address) system?

A). The flight attendant has the highest priority

B). The flight attendant can interrupt the entertainment system and the pilot

C). The pilot has the highest priority

D). There is no priority to the PA system

Answer 11

The pilot has the highest priority