Standby Power / Starter Ignition

Question 1

How long is the main A/C battery capable of powering the STBY PWR System?

Answer 1

30 minutes

Question 2

ON STBY PWR, what effect will BAT depletion have on the gear & flaps?

Answer 2

ADP (Air Driven Pump) in Center HYD System requires DC power to operate.

When the ADP quits, there will be no Center HYD System pressure, therefore no way to operate gear and flaps hydraulically.

(ADP air supply valve will close when DC power is lost)

Question 3

Name the Items on the HOT BAT BUS?

Answer 3

-Clock
-Fire extinguisher bottles

-Spar fuel valves
-APU fuel valve
-Parking brake valve.

Question 4

With the BATT switch ON and the STBY Power switch AUTO What is powered?

Answer 4

HOT BAT,
BAT,
STBY DC and STBY AC (and Ground Handling)

Question 5

If the Battery is the only source of power, will the AC STBY bus be powered?

How?

Answer 5

Yes.

Inverter converts DC to AC

Question 6

What is the time limit for Igniter operation?

Answer 6

No Limit

Question 8

What is required Bleed Air Duct Pressure to complete ENG GND Pneumatic Start? (Using a Huffer)

Answer 8

Duct Press of 30 psi or greater

Question 9

What happens when you rotate both Start Selectors to both?

Answer 9

Both Ignitors come on

Question 10

What Ignition would be on if you left it in single?

Answer 10

Whatever ignitors were used to start the engine