Numbering Systems
What is the largest value symbol in a Base 5 number system?
4
The basic method of cleaving of a fibre cable end is referred to as?
Score-and-break method
Due to additional functionality in modern flight instruments, the Artificial Horizon was renamed to?
Attitude Direction Indicator
What is the function of a logic circuit known as a Decoder?
looks at input binary code and activates 1 output
What device converts a physical variable into an electrical variable?
Transducer
In the binary system, what does a single bit represent?
Two possible values
What is attenuation in a fibre optic cable?
Loss of light as it travels through the fibre optic system
Which EFIS display was intergraded with the ADF, VOR, ILS and flight plan MAP info?
ND
What will the output binary code of a Priority Encoder if A0, A2, A5 and A7 inputs are active simultaneously?
1112 (7)
What is the function of a summing amplifier in a DAC circuit?
To produce the weighted sum of input voltages.
What is the binary equivalent of the decimal number 19 using the division method?
10011
What is the advantage of a laser diode over and LED?
narrow bandwidth
The Primary engine data is normally displayed on which screen in the ECAM or EICAS displays
Upper
Which class of ESD susceptible equipment has a sensitive range of 2 to 4 kv?
Class 2
What signal indicates the end of conversion in a digital-ramp ADC?
End of Conversion (EOC) signal
What is the decimal equivalent of the binary number 110 010?
49
Poor fibre end prep and poor fibre alignment are the main causes of what type of loss?
Coupling
What process removes unwanted noise from sensor signals?
Signal filtering
What form of electrostatic damage over time degrades a components performance and eventually fails?
Latent Catastrophic Failure
What is the typical input impedance of a 741 op-amp?
Around 2 MegOhms
What is the decimal equivalent of the hexadecimal number DEAF?
57015
Which FO device is responsible for converting a weakened and distorted optical signal back to an electrical signal?
Reciever
What type of information does a synchro system transmit?
Angular position
What is the most common method of measuring ESD sensitivity?
Human Body Model
What is the closed-loop gain formula for a non-inverting amplifier?
Gain = 1 + (Rf / Ri)