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Exam 1|AS 411|100% Verified Questions & Answers|Guaranteed A+ Score Solution

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Why aren't 400 Hertz used everywhere (since they are smallest and lightest)? (Ans- They can't be transmitted long distances. They are typically confined to 1 building, 1 vehicle/ airplane What is 'Last On'? (Ans- When the source of power being connected to a transfer bus automatically disconnects an existing source What type of power do the left and right engines have? (Ans- AC power What type of power does the battery have? (Ans- DC power What type of power does the inverter have? (Ans- standby power Plugs on the GPU (Ans- GPU = Ground Power Unit -6 plugs total. 2 AC, 4 DC

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AS 411 Exam 1: Questions & Answers
Why aren't 400 Hertz used everywhere (since they are smallest and
lightest)?
(Ans- They can't be transmitted long distances. They are typically
confined to 1 building, 1 vehicle/ airplane


What is 'Last On'?
(Ans- When the source of power being connected to a transfer bus
automatically disconnects an existing source


What type of power do the left and right engines have?
(Ans- AC power


What type of power does the battery have?
(Ans- DC power


What type of power does the inverter have?
(Ans- standby power


Plugs on the GPU
(Ans- GPU = Ground Power Unit
-6 plugs total. 2 AC, 4 DC.

, What is a TR/ what does it do
(Ans- Transformer Rectifier. B-737 has 3. Converts 115AC to 28V DC.


Batteries
(Ans- 1-2 24V NiCad Batteries


IFE
(Ans- In-Flight Entertainment


PED
(Ans- Portable Electronic Device


UTC
(Ans- Useful time of Consciousness


UTC 20,000, 30,000, and 40,000
(Ans-
20,000 = 30 min +
30,000 = 1-2 min
40,000 = 15-20 sec

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