Block 2: Powerplant-A. Safety Flashcards

1
Q

Danger areas during engine operation?

A

Exhaust velocity
Temperature
Air intake
Noise

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2
Q

Safe distance from intakes during MIL?

A

9 FT radius.

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3
Q

Safe distance from intakes during MAX?

A

25 FT radius.

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4
Q

How long after engine shutdown is the area immediately aft of the tailpipes hazardous?

A

For 15 minutes.

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5
Q

Safe distance from directly behind exhaust at idle is?

A

115 feet.

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6
Q

Safe distance from directly behind exhaust at maximum power is?

A

925 feet.

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7
Q

What velocity does the APU exhaust reach at the at the most center point.

A

142 MPH from exhaust to the deck.

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8
Q

What temperature does the APU exhaust reach?

A

328-350 degrees Fahrenheit.

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9
Q

At a 19 inch diameter what is the speed of the exhaust?

A

24 MPH

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10
Q

At a 19 inch diameter what is the temperature rang of the exhaust?

A

250 to 300 degrees Fahrenheit.

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11
Q

How should be the most aware of the APU when it’s running?

A

Anyone working underneath the aft section of the aircraft.

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12
Q

When fueling or de-fueling at what distance should you be from operating airborne type radio or air radar equipment?

A

100 feet.

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13
Q

When fueling or de-fueling at what distance should you be from ground radar equipment?

A

300 feet.

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14
Q

When maintenance is being done on an (ARS) pod what should be checked?

A

Ensure that the guillotine is not armed or loaded with CAD’s.

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15
Q

Danger areas during engine operation?

A

Exhaust velocity
Temperature
Air intake
Noise

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16
Q

Safe distance from intakes during MIL?

A

9 FT radius.

17
Q

Safe distance from intakes during MAX?

A

25 FT radius.

18
Q

How long after engine shutdown is the area immediately aft of the tailpipes hazardous?

A

For 15 minutes.

19
Q

Safe distance from directly behind exhaust at idle is?

A

115 feet.

20
Q

Safe distance from directly behind exhaust at maximum power is?

A

925 feet.

21
Q

What velocity does the APU exhaust reach at the at the most center point.

A

142 MPH from exhaust to the deck.

22
Q

What temperature does the APU exhaust reach?

A

328-350 degrees Fahrenheit.

23
Q

At a 19 inch diameter what is the speed of the exhaust?

A

24 MPH

24
Q

At a 19 inch diameter what is the temperature rang of the exhaust?

A

250 to 300 degrees Fahrenheit.

25
Q

How should be the most aware of the APU when it’s running?

A

Anyone working underneath the aft section of the aircraft.

26
Q

When fueling or de-fueling at what distance should you be from operating airborne type radio or air radar equipment?

A

100 feet.

27
Q

When fueling or de-fueling at what distance should you be from ground radar equipment?

A

300 feet.

28
Q

When maintenance is being done on an (ARS) pod what should be checked?

A

Ensure that the guillotine is not armed or loaded with CAD’s.