Contacts Ground School: Systems #2

Question 1

What are the major components of the T-6B electrical system?

Answer 1

• Starter/generator
• 24 VDC battery
• 24 VDC auxiliary battery

Question 2

The generator output provides ____ VDC and is capable of supplying ____ amps.

Answer 2

28 VDC

300 amp

Question 3

What regulates/monitors the starter/generator?

Answer 3

Generator Control Unit

Question 4

Where are the FWD AVI and the AFT AVI circuit breakers located in the front cockpit?

Answer 4

On both the battery and generator bus circuit breaker panels

Question 5

When does the landing light come on?

Answer 5

Only when the landing light switch is ON and the landing gear are down and locked

Question 6

When using the primary T-6B refueling method, the aircraft fuel system provides approx. ____ lbs of fuel?

Answer 6

1100 lbs

Question 7

When using the primary refueling method, the maximum amount of fuel for one wing tank is?

Answer 7

530 lbs

Question 8

The aircraft (T-6B) can hold a maximum of ____ of useable fuel stored between the wing tanks and the collector tank.

Answer 8

1200 lbs

Question 9

What provides fuel for intial engine start and acts as a backup for the engine driven low-pressure fuel pump?

Answer 9

Electric boost pump

Question 10

What directs fuel to the collector tank from both wing tanks…keeping the collector tank pressurized?

Answer 10

The two transfer jet pumps

Question 11

What directs fuel from the collector tank to the engine driven low-pressure fuel pump?

Answer 11

Primary jet pump

Question 12

When does the fuel quantity tapes on the EICAS turn yellow?

Answer 12

When fuel in that respective wing tank gets below 150 lbs

Question 13

Display of the FUEL BAL message may indicate an imballance exceeding ____ pounds for more than two minutes between the left and right fuel tanks, or a failure of the autobalance system.

Answer 13

30 lbs

Question 14

The fuel system incorporates an auto balance system which maintains the fuel load in each wing tank to within ________ pounds of the other wing.

Answer 14

20 lbs

Question 15

What would detect a fuel imbalance?

Answer 15

The Engine Data Manager (EDM)

Question 16

If the auto balance system shuts off without reducing fuel imbalance to 30 pounds or less, the auto balance system may be reset to provide an additional ________ to balance the fuel load.

Answer 16

2 minutes

Question 17

What are the three elements necessary for engine operation?

Answer 17

• Air
• Fuel
• Heat

Question 18

What are the three sections of the engine?

Answer 18

• Accessory compartment
• Gas generation section
• Power turbine section

Question 19

Does the friction setting on the front PCL affect the PCL in the rear cockpit?

Answer 19

Yes

Friction control settings made to the front PCL DOES affect the PCL in the rear

Question 20

What are the two ways that the front PCL are connected to the FMU?

Answer 20

Mechanically connected to the FMU by a flexible cable

Electrically connected to the FMU through the PMU

Question 21

What functions does the PMU perform?

Answer 21

1. Maintains engine and propeller within operating limits
2. Determines available power and provides a near linear response between PCL IDLE and MAX positions
3. Fine tunes the power request and sends an electronic signal to the FMU

Question 22

What is the primary power source for the PMU?

Answer 22

Permanent Magnet Alternator (PMA)

Question 23

The starter/generator ________ until the engine starts and is able to sustain itself.

Answer 23

Turns the compressor

Question 24

What components does the oil system provide filtered oil to?

Answer 24

• Reduction gears
• Propeller
• Engine bearings

Question 25

What components control propeller speed to maintain a constant propeller speed of 2000 RPM and achieve varyng levels of thrust by automatically adjusting propeller pitch?

Answer 25

Power Management Unit (PMU) Propeller Interface Unit (PIU)

Question 26

What functions does the engine data manager perform?

Answer 26

* Monitors and processes engine operating parameters * Provides discrete alerts to each IAC when necessary * Drives the engine instruments displays

Question 27

What non-engine related functions does the engine data manager perform?

Answer 27

* Fuel balancing and fuel quantity indications * Determination and display of DC volts and amps * Determination and display of cockpit pressure altitude and differential pressure

Question 28

What does the engine fire warning system monitor?

Answer 28

Average and discrete engine exterior temperatures

Question 29

What components does the fire warning system consist of?

Answer 29

* A core element * A sensor tube * A responder assembly

Question 30

Sensor tubes in the fire warning system are built so that system reliability is not affected by what?

Answer 30

Kinks, twists, or dents

Question 31

If temperatures reach/exceed the preset fire warning point, what happens?

Answer 31

The MASTER WARN light and FIRE switch lights will illuminate

Question 32

What is the only environmental control located in the rear cockpit ?

Answer 32

Evaporator blower control switch

Question 33

What environmental component does not require the use of bleed air?

Answer 33

Air conditioning

Question 34

What device provides power to the front and rear cockpit blowers which supply airflow through the air conditioning vents?

Answer 34

Evaporator blower

Question 35

What control switch controls the position of the bi-level control and shutoff valve?

Answer 35

Bleed air inflow

Question 36

Which control switch operates the motor drive heat exchanger bypass valve?

Answer 36

Temperature control

Question 37

Moving the TEMP CONTROL switch toward HOT causes the heat exchanger bypass valve to ________ allowing ________ warm air to bypass the heat exchanger?

Answer 37

Open More

Question 38

At what bleed air temperature would the yellow DUCT TEMP caution message illuminate?

Answer 38

300°F

Question 39

A control valve regulator located in the aft pressure bulkhead monitors the ____ and automatically adjusts the positon of the ____ .

Answer 39

Cockpit pressure, control valve

Question 40

What is the function of the water separator in the anti-G system?

Answer 40

To protect the system against contamination

Question 41

What is the function of the safety valve in the anti-G system?

Answer 41

To automatically relieve system pressure if it exceeds 7psi

Question 42

What OBOGS device is located on the left side of the seat bucket?

Answer 42

Emergency oxygen cylinder

Question 43

What are the major canopy components of the T-6B?

Answer 43

* Canopy frame assembly * Front windscreen * Forward transparency * Rear transparency

Question 44

The T-6B is equppied with a singe, side-opening, ____operated canopy.

Answer 44

Manually

Question 45

Which CFS component is installed around the periphery and down the centerline of the front cockpit transparency?

Answer 45

Flexible Linear Shaped Charge (FLSC)

Question 46

Which CFS component is installed around the periphery and in a diamond shaped pattern along the centerlin of the rear cockpit transparency?

Answer 46

Mild Detonation Cord (MDC)

Question 47

Where is the ejection seat safety pin installed?

Answer 47

Directly into the ejction handle

Question 48

How can the ejection seat be adjusted?

Answer 48

Electrically up and down

Question 49

What are the recommended altitudes for controlled/uncontrolled ejection?

Answer 49

Controlled ejection: 2,000' AGL Uncontrolled ejection: 6,000' AGL