ALM 388 - Unit III Exam Questions &
Answers (Grade A+)
What are self-contained diagnostic systems found on modern
aircraft often called? -
correct answer ✅BITE
The B-757 contains several systems that employ BITE. Which of the
following is true of this type of BITE? -
correct answer ✅The BITE data is accessed through a given LRU
using an LED display.
The Boeing 757 and 767 incorporate a Maintenance Control Display
Unit (MCDU) to Monitor and Test various systems. Which of the
following statements is/are true concerning the MCDU? -
correct answer ✅All of the above
The BITS mode fault diagnostics program is found on which of the
following systems? -
correct answer ✅Corporate aircraft that employs Collins Electronic
Flight Instrument Systems (EFIS)
Where is the fault data accessed for the B-747-400 Central
Maintenance Computer System? -
correct answer ✅The fault data is accessed through one of four
printers
,ALM 388 - Unit III Exam Questions &
Answers (Grade A+)
What system is used on the B-747-400 for fault monitoring and
isolation? -
correct answer ✅Central Maintenance Computer System
How many Central Maintenance Computers (CMCs) are used in the
B-747-400 CMC System? -
correct answer ✅Two
Which of the following statements is true concerning the Line
Select Keys (LSK) found on the B-747-400? -
correct answer ✅The LSKs are used to select items for display or
activate functions available on the CDU
What are the two basic formats presented under the present faults
function of the B-747-400 CMCs? -
correct answer ✅Present leg faults and CMC messages
On the B-747-400 Central Maintenance Computer System the Term
Present Leg is defined as which of the following? -
correct answer ✅The Present Leg is defined as the elapsed time
between Forst engine start and last engine shut down.
, ALM 388 - Unit III Exam Questions &
Answers (Grade A+)
A flight deck effect can be defined as which of the following? -
correct answer ✅Any EICAS (or ECAM) Message or Parameter
exceedance, any primary flight display (PFD) flag, or any
navigational display (ND) flag
What manual is used in conjunction with CMCS message data for
troubleshooting the B-747-400? -
correct answer ✅Fault Isolation Manual
What function of the software program is used by the Boeing 747-
400 CMCs to help eliminate nuisance messages? -
correct answer ✅Flight phase screening
The B-747-400 Central Maintenance Computers Van record how
many different flight phases? -
correct answer ✅14
What parameter is recorded by the CMC to indicate the airplane's
configuration at the time a system fails? -
correct answer ✅The flight phase when the fault occurred
Answers (Grade A+)
What are self-contained diagnostic systems found on modern
aircraft often called? -
correct answer ✅BITE
The B-757 contains several systems that employ BITE. Which of the
following is true of this type of BITE? -
correct answer ✅The BITE data is accessed through a given LRU
using an LED display.
The Boeing 757 and 767 incorporate a Maintenance Control Display
Unit (MCDU) to Monitor and Test various systems. Which of the
following statements is/are true concerning the MCDU? -
correct answer ✅All of the above
The BITS mode fault diagnostics program is found on which of the
following systems? -
correct answer ✅Corporate aircraft that employs Collins Electronic
Flight Instrument Systems (EFIS)
Where is the fault data accessed for the B-747-400 Central
Maintenance Computer System? -
correct answer ✅The fault data is accessed through one of four
printers
,ALM 388 - Unit III Exam Questions &
Answers (Grade A+)
What system is used on the B-747-400 for fault monitoring and
isolation? -
correct answer ✅Central Maintenance Computer System
How many Central Maintenance Computers (CMCs) are used in the
B-747-400 CMC System? -
correct answer ✅Two
Which of the following statements is true concerning the Line
Select Keys (LSK) found on the B-747-400? -
correct answer ✅The LSKs are used to select items for display or
activate functions available on the CDU
What are the two basic formats presented under the present faults
function of the B-747-400 CMCs? -
correct answer ✅Present leg faults and CMC messages
On the B-747-400 Central Maintenance Computer System the Term
Present Leg is defined as which of the following? -
correct answer ✅The Present Leg is defined as the elapsed time
between Forst engine start and last engine shut down.
, ALM 388 - Unit III Exam Questions &
Answers (Grade A+)
A flight deck effect can be defined as which of the following? -
correct answer ✅Any EICAS (or ECAM) Message or Parameter
exceedance, any primary flight display (PFD) flag, or any
navigational display (ND) flag
What manual is used in conjunction with CMCS message data for
troubleshooting the B-747-400? -
correct answer ✅Fault Isolation Manual
What function of the software program is used by the Boeing 747-
400 CMCs to help eliminate nuisance messages? -
correct answer ✅Flight phase screening
The B-747-400 Central Maintenance Computers Van record how
many different flight phases? -
correct answer ✅14
What parameter is recorded by the CMC to indicate the airplane's
configuration at the time a system fails? -
correct answer ✅The flight phase when the fault occurred
