Mod 9-10-11

Question 1

In the Master caution and warning system, a ”WARNING LIGHT” will be ___ in color and a “CAUTION” light will be ____ in color.

Answer 1

RED -AMBER

Question 2

To alert the pilots to a situation that requires their attention we stick the big RED and AMBER lights in the pilot’s

Answer 2

Primary forward field of vision.

Question 3

In the master caution and warning system, Red or ______ indications have a higher priority than Amber or ______ indications.

Answer 3

WARNING -CAUTION

Question 4

What is the reason that each landing gear will supply power to the up or down relays

Answer 4

each landing gear comes up/down and locks a slightly different times

Question 5

EICAS is Engine Indicating and ____ Alerting System.

Answer 5

crew

Question 6

Master Warning colour is ____

Answer 6

RED

Question 7

Master Caution colour is _____

Answer 7

AMBER

Question 8

Master Warning will ____ until pressed.

Answer 8

FLASH

Question 9

DCU is a ____ Concentrator Unit

Answer 9

DATA

Question 10

Master warning and caution is in the Pilot’s_____ field of view.

Answer 10

PRIMARY

Question 11

Warnings have _____ over Cautions

Answer 11

PRIORITY

Question 12

Landing gear contains ____ switches

Answer 12

LIMIT

Question 13

Advisories are _____ in colour.

Answer 13

GREEN

Question 14

____ mode will confirm if the light bulbs of the system actually work.

Answer 14

TEST

Question 15

A _____ switch is used to disable circuits when weight is on wheels.

Answer 15

Squat

Question 16

____ gate is where the two inputs must be the same to get an output

Answer 16

AND

Question 17

____ gate is where either inputs can be high to get an output

Answer 17

OR

Question 18

_____ gate is where either input can be a high to get an output, then inverted

Answer 18

NOR

Question 19

____ gate is where both inputs must be a highto get get an output, then inverted

Answer 19

NOT

Question 20

Hexadecimal is a base ____ counting system

Answer 20

SIXTEEN

Question 21

_____ means most significant bit

Answer 21

MSB

Question 22

Binary is a base ____ counting system

Answer 22

TWO

Question 23

____ means the output will be inverted.

Answer 23

NAND

Question 24

_____ means least significant bit

Answer 24

LSB

Question 25

Octal is a base ____ counting system

Answer 25

EIGHT

Question 26

_____ gate is where the output will be a high when the inputs are odd.

Answer 26

XOR

Question 27

What gate ?

Answer 27

AND

All imputs must be 1 to produce 1 output

Question 28

What Gate

Answer 28

OR

Any input being 1 will produce 1 output

Question 29

What gate ?

Answer 29

NAND

(0) Zero on any input will produce a 1 Output

Question 30

What gate ?

Answer 30

NOR

All imputs must be (0) zero to produce 1 output

Question 31

Boolean expresion for AND

Answer 31

X = A • B

Question 32

What gate

Answer 32

NOT

or Inverter

Question 33

what gate ?

Answer 33

XOR

Question 34

what gate ?

Answer 34

XNOR

Question 35

benefits of Aircraft digital data system

Answer 35

allows the added the added benefits while keeping weight and maintenace cost down

Question 36

what two diferent data rates are used ?

Answer 36

• LS (Low speed)-12.5 Kbits/sec(10-14.5)
• HS(high speed) 100 Kbits/sec

Question 37

An ARNIC 429 signal is of a format know as ?

Answer 37

bipolar return to zero

bipolar means that the polarity of tghe signal actually reverses for 1 to 0

Question 38

This system advises flight crew of something that needs their attention

Answer 38

master caution

Question 39

This can be useful in following current paths to see what operates and when.

Answer 39

wiring diagram

Question 40

This annunciation has a higher priority over this annunciation

Answer 40

warning caution

Question 41

This device will give a Digital High output only when the inputs are not the same

Answer 41

XOR GATE

Question 42

Decimal 25 is converted to 19 in which numbering system

Answer 42

HEXADECIMAL

Question 43

Which Data buss is uni-directional

Answer 43

ARNIC 429

Question 44

The use of this improves redundancy, Improves accuracy and safety

Answer 44

DATA BUS

Question 45

This device needs both inputs to be the same, but its output is opposite of the inputs

Answer 45

NAND GATE

Question 46

This is used for data error checking in a data bus word

Answer 46

PARITY BIT

Question 47

In the ARINC429 data bus, one transmitter can send data to this many receivers.

Answer 47

20