Data
Aircraft Systems and Electronics Quiz
Test your knowledge on aircraft systems, electronics, and logic gates with our comprehensive quiz! This quiz consists of 53 carefully crafted questions covering essential topics in aviation technology and wiring standards.
Whether you're a student preparing for certification or a professional looking to refresh your knowledge, this quiz is designed for you!
- Multiple choice format
- Score tracking
- Diverse topics
Which type of aircraft skin cannot be used for bonding?
Sheet metal skin
Aluminum honeycomb
Aluminum skin
Ground bonding plate
What colour splice would be used for 18 -gauge wire
Blue
Red
Black
Yellow
Flux will.................
Helps these surface oxides, to combine with metals to be soldered
Removes these surface oxides, from the metals to be soldered
Will keep the surface clean from external elements
Removes these surface dirt from the metals to be soldered
When routing a wire bundle through a bulkhead, a grommet should be used if the clearance is less than:
1/2 inches
3/8 inch
1 inch
2 inch
A splice must not be within _______________ inches of a termination.
30 inches
1 foot
18 inches
2 feet
The number of terminal connections to a terminal block stud should be ....?
Less then 8
More than 4
Less then 6
4 or less
Splices, terminals, and crimping tools MUST be
As per the aircraft equipment standard.
Electronic approved
Electrical approved
Aircraft approved
Convert decimal 81 to binary.
1010001
1001001
1001111
110011
Convert 1010112 to Octal.
438
538
978
2118
Convert binary 110011 to decimal.
51
102
34
77
Convert decimal 496 to hexadecimal.
1F0
1F
10F
FF
The base 16 numbering system is more commonly referred to as
Decimal
Binary
Hexadecimal
Octal
Convert 1001 0011 0111BCD to decimal.
Invalid
93710
235910
75910
The position in a number which has the greatest value is
Most significant position
Position of greatest value
High value position
Least significant position
For an OR logic gate to have a LOW output...
One input must be HI
Both inputs must be LO
Both inputs must HI
Requires an inverter on the output
An AND gate can be represented by what simple electrical circuit?
Two diodes in parallel
One switch in series
Two switches in parallel
Switches in series
Refer to attached diagram. Which of the following logic states is correct?
A=0, B=0, Y=0
A=1, B=0, Y=0
A=0, B=1, Y=1
A=1, B=1, Y=1
An AND gate can be represented by what simple electrical circuit?
Two diodes in parallel
One switch in series
Two switches in parallel
Switches in series
. Which statement is correct for a NOR gate to have a HI output?
All inputs are HI
All inputs are LO
Any input is LO
Any input is HI
Refer to attached diagram. Which logic gate is represented by this symbol?
NOT
OR
Buffer
XOR
Refer to attached diagram. Which logic gate is represented by this truth table?
AND
OR
XOR
NAND
The following truth table represents what type of gate?
XOR
NOR
AND
OR
Refer to attached diagram. Which of the following logic states is correct?
A=0, B=0, Y=1
A=0, B=1, Y=1
A=1, B=0, Y=1
A=1, B=1, Y=1
What type of signal is easier to accurately transmit?
Digital
Coded
Analog
Hybrid
What happens to the noise present on an analog signal when the signal is amplified?
Noise is amplified but with less gain than the original signal
Noise is removed by signal regenerator
Noise is not present on analog signals
Noise is amplified with the signal
TTL stands for
Transistor Transistor Logic
Transiting Transistor Logic
True Transistor Logic
Double Transistor Logic
Which IC's Packages give better protection and can handle a wider temperature range?
Metal packages
Plastic packages
Cardboard packages
Ceramic Packages
IC's
IC's can be repaired and can only be replaced
IC's can not be repaired -
IC's can be repaired - and also be replaced
IC's can not be repaired - they can only be replaced
Which one is a disadvantage of IC'S
Too small to handle
Cannot handle large amounts of Power
Needs specialize tools to solder
Higher cost if quantities are large
Which of the following is not part of the Integrated circuits?
Inductor
Capacitor
Diode
Resistor
One of the uses in aircraft for multiplexing is to:-
Send audio to the passengers
Monitor the WOW switches
Modulate navigation antenna data flow
Increase hydraulic pressure
The select lines on a multiplexor are used to:
Determine which input will flow to the output port
Clock the data
Select the clock source.
Synchronize the data flow
How many “select” inputs are required for a 4 output demultiplexer?
2
5
4
3
A demultiplexer is used to..
Convert serial data to parallel data
Convert parallel data to serial data
Coordinate the activities of transmitters on the bus
Inform the pilot of system failures
Multiplexers are used primarily to:
Save cost
Reduce the time it takes to transfer data.
Increase the complexity of a transfer system
Save weight
In the ARINC 429 system the low speed data rate is
125K bits per second
12500 bits per second
1000K bits per second
12.5 bits per second
What is the SDI (bits 9, 10) in the ARINC 429 data word?
Only used in a BNR encoded word
The source destination indicator
The source signal mixer
The subfield multiplexer derived information marker.
The purpose of a null in the 429 bus is?.
Its a destination code
For synchronization .
To Tx the correct protocol format
4 words long
The “label” in the ARINC 429 bus system is encoded in:-
Octal
Hexadecimal
BNR
BCD
What bits contain the label of an ARINC429 word?
Bits 9-10
Bits 11-29
Bits 1-8
Bit 32
The ARINC 429 can handle up to _____ receivers.
16
20
32
4
In the ARINC 429 Bus system the physical Bus is
An optical fiber.
A single wire
A twisted shielded pair of wire.
Integrated circuit
.In the symbol for an Op- amp the input marked + is
The input that is used when no inversion is required
The positive power supply input
The input that gives the most gain
The input that must be grounded
An Op-amp has a gain which is
High
Average
Very High
Low
In a closed loop non-inverting OP-AMP, circuit gain is controlled by
Negative feedback
The power supply
Positive feedback
The input level
The diagram shows what type of Op Amp?
Closed Loop Inverting
Open Loop Inverting
Closed Loop Differential
Open Loop Differential
To get a 0 degree phase shift on the output of an Op Amp, the input signal must be applied to what input?
Inverting Input
Non-inverting input
Both inputs
Not possible
What does ROM stand for?
Read random memory
Read-only memory
Random-only memory
Read-on memory
The width of the smallest wire on a computer chip is typically measured in:
Microns
Micrometers
Nano meters
Millimeters
The memory that a CPU can use directly is called:
Cache memory
Clock memory
Direct access memory
RAM
What part of the CPU performs the calculations?
NVM
Clock
CCU
ALU
What's another name for a microchip?
Integrated circuit
Circuit board
SCSI card
Nanoprocessor chip
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