WGU C208 Systems Exam Questions with Verified Solutions Graded A+
24 volts - Answers How many volts is the battery?
Led Acid - Answers Our aircraft has what kind of battery?
45 amps - Answers What is the amp output on our battery?
Direct Current (DC) and it's 28.5 volts - Answers What kind of electrical system do we have on
the airplane and how many volts?
1. Battery Bus
2. General Bus 1
3. General Bus 2
4. Avionics Bus 1
5. Avionics Bus 2
6. Power Distribution Bus
7. Standby Power Bus - Answers How many buses does the electrical system have? (Name all
the buses)
46% - Answers After which Ng% does the GCU allow the starter/generator to act as a generator?
Over Voltage, and Reverse Current. - Answers The GCU provides voltage regulation and
protection from (????) voltage and (???????) current.
200 amps - Answers How many amps is the generator?
20 volts - Answers How many volts are needed to close the battery contactor?
24.5 volts and 24 volts - Answers How many volts are needed to start the engine and when does
the voltage low annunciator illuminate?
A "hot start" - Answers What may happen if you try to start the engine below it's required voltage?
1. Remove excess fuel
2. Cool ITT - Answers What are some reasons to use the "motor" function?
At or above 52% Ng - Answers At what point during the start sequence may you turn off the
starter switch?
1. Electrical Fire
, 2. Avionics Fire - Answers What would be one reason to use the "Trip" function in flight?
Connects Avionics Bus 1 to Avionics Bus 2 in case of failure. - Answers What does the avionics
bus tie do?
Left to Right - Answers What is the correct sequence to connect the avionics standby power
system?
The Alternator - Answers How is the electrical standby power system powered?
75 amps - Answers How many amps is the electrical standby power system?
Every flight - Answers When should the fuel bypass on the fuel filter be checked?
Fuel filter screen is clogged - Answers What does it mean when the fuel filter bypass flag is
extended?
Call Maintenance. - Answers Which action needs to be taken when the fuel filter bypass flag is
extended?
Yes, on the FO's side cowling - Answers Do we have a fuel filter bypass flag on the EX? If yes,
where is it located?
One On, One Off - Answers When leaving the aircraft unattended, where would you place the fuel
selectors?
Yes, fuel is in the reservoir, but it is not recommended - Answers Is it possible to start the
aircraft with the fuel selectors in the off position?
Pull the circuit breaker, but optimally by putting both tanks in the "On" setting. - Answers What is
one way to disconnect the audio warning for the fuel selectors?
1. Both tanks are closed with the battery on
2. Starting with only one selector on
3. Fuel is below 25 gallons in one tank - Answers In which 3 cases will the fuel system warning
horn sound?
Electrically - Answers How is the auxiliary fuel boost pump powered?
Puts pressure to the fuel system - Answers What is the primary function of the fuel boost pump?
4.75 PSI for the Legacy, and 2.5 PSI for the EX - Answers With the fuel boost pump in the normal
position, when does it turn on?
In the reservoir - Answers Where is the fuel boost pump located?
24 volts - Answers How many volts is the battery?
Led Acid - Answers Our aircraft has what kind of battery?
45 amps - Answers What is the amp output on our battery?
Direct Current (DC) and it's 28.5 volts - Answers What kind of electrical system do we have on
the airplane and how many volts?
1. Battery Bus
2. General Bus 1
3. General Bus 2
4. Avionics Bus 1
5. Avionics Bus 2
6. Power Distribution Bus
7. Standby Power Bus - Answers How many buses does the electrical system have? (Name all
the buses)
46% - Answers After which Ng% does the GCU allow the starter/generator to act as a generator?
Over Voltage, and Reverse Current. - Answers The GCU provides voltage regulation and
protection from (????) voltage and (???????) current.
200 amps - Answers How many amps is the generator?
20 volts - Answers How many volts are needed to close the battery contactor?
24.5 volts and 24 volts - Answers How many volts are needed to start the engine and when does
the voltage low annunciator illuminate?
A "hot start" - Answers What may happen if you try to start the engine below it's required voltage?
1. Remove excess fuel
2. Cool ITT - Answers What are some reasons to use the "motor" function?
At or above 52% Ng - Answers At what point during the start sequence may you turn off the
starter switch?
1. Electrical Fire
, 2. Avionics Fire - Answers What would be one reason to use the "Trip" function in flight?
Connects Avionics Bus 1 to Avionics Bus 2 in case of failure. - Answers What does the avionics
bus tie do?
Left to Right - Answers What is the correct sequence to connect the avionics standby power
system?
The Alternator - Answers How is the electrical standby power system powered?
75 amps - Answers How many amps is the electrical standby power system?
Every flight - Answers When should the fuel bypass on the fuel filter be checked?
Fuel filter screen is clogged - Answers What does it mean when the fuel filter bypass flag is
extended?
Call Maintenance. - Answers Which action needs to be taken when the fuel filter bypass flag is
extended?
Yes, on the FO's side cowling - Answers Do we have a fuel filter bypass flag on the EX? If yes,
where is it located?
One On, One Off - Answers When leaving the aircraft unattended, where would you place the fuel
selectors?
Yes, fuel is in the reservoir, but it is not recommended - Answers Is it possible to start the
aircraft with the fuel selectors in the off position?
Pull the circuit breaker, but optimally by putting both tanks in the "On" setting. - Answers What is
one way to disconnect the audio warning for the fuel selectors?
1. Both tanks are closed with the battery on
2. Starting with only one selector on
3. Fuel is below 25 gallons in one tank - Answers In which 3 cases will the fuel system warning
horn sound?
Electrically - Answers How is the auxiliary fuel boost pump powered?
Puts pressure to the fuel system - Answers What is the primary function of the fuel boost pump?
4.75 PSI for the Legacy, and 2.5 PSI for the EX - Answers With the fuel boost pump in the normal
position, when does it turn on?
In the reservoir - Answers Where is the fuel boost pump located?
