Mod 5-6-7-8 Flashcards
What is measured by an aircraft barometric altimeter in order to provide the aircraft altitude?
Static air pressure
Why does the pilot have to adjust the altimeter barometric setting?
To correct for changes in atmospheric conditions
Which instruments are connected to the aircraft static system?
Barometric altimeter, airspeed indicator and vertical speed indicator
In flight, at altitudes above 18 000 feet, what altimeter barometric setting is used?
29.92 IN-HG (inches of mercury)
When performing a static system ‘leak test’ on a pressurized aircraft with a maximum cabin differential pressure of 20 000 feet, what is the maximum allowable leak rate, according to the Canadian Aviation Regulations (CARs)?
400 feet per minute
When performing a static system ‘leak test’ on an un-pressurized aircraft, at what altitude is the leak test performed?
1000 feet above the ambient aircraft altitude
What altitude is indicated by the altimeter shown in Figure 1?
3630 feet
When testing the static system of the aircraft associated with the instruments in Figure 2, what would be the best rate of climb and descent to use?
1000 feet per minute
Which instruments in Figure 2 are connected into the aircraft static system?
A, D and E
Which instrument in the photo below is connected into the aircraft pitot system?
A
Which section (identified in red) of the Audio Control Panel (ACP) in Figure 1 is used to select the radio that will be used for transmitting?
A
In an aircraft audio system, what does the ‘PTT’ switch do when it is activated (pressed)?
Switches the radio from receive mode to transmit mode
When the switch in section ‘D’ of the audio control panel (ACP) is selected (pushed in), all of the selected receivers’ audio will be heard over the speaker.
true or false
true
More than one switch in section ‘C’ of the audio control panel (ACP) in Figure 1 may be selected at the same time. (1 mark each)
true or false
true
More than one switch in section ‘A’ of the audio control panel (ACP) in Figure 1 may be selected at the same time. (1 mark each)
true or false
false
Which statement below best describes the function of the push-button switch identified as letter ‘B’ in Figure 1?
Allows the pilot to hear both ‘COM’ radios 1 and 2 at the same time
Which letters identify the ‘barrel’ parts of the two plugs?
A and E
Which letter in Figure 2 indicates the contact for the ‘Phones Hi’ function?
D
The letters in Figure 2 identify contacts on the mic and phone plugs. Which letter indicates the contact for the ‘PTT’ function?
C
Which of the following best describes the ‘phase relationship’ between the input and output signals for the configuration of transistor amplifer shown in Figure 1?
The input and the output signal are 180º out of phase with each other
What configuration of amplifier is shown in Figure 1?
Common Emitter Amplifier
Refer to Figure 2. What best describes the characteristics of an amplifier circuit which will provide ‘maximum power transfer?’
The value of the output impedance (ZOut) must be equal to the value of the load resistance (RLoad)
What best describes an oscillator circuit?
Produces an AC voltage output with only a DC input
What best describes ‘Frequency Modulation’ (FM)?
The frequency of the composite signal changes in proportion to the amplitude of the modulating signal
