Block 2: Powerplant-A. Safety Flashcards
Danger areas during engine operation?
Exhaust velocity
Temperature
Air intake
Noise
Safe distance from intakes during MIL?
9 FT radius.
Safe distance from intakes during MAX?
25 FT radius.
How long after engine shutdown is the area immediately aft of the tailpipes hazardous?
For 15 minutes.
Safe distance from directly behind exhaust at idle is?
115 feet.
Safe distance from directly behind exhaust at maximum power is?
925 feet.
What velocity does the APU exhaust reach at the at the most center point.
142 MPH from exhaust to the deck.
What temperature does the APU exhaust reach?
328-350 degrees Fahrenheit.
At a 19 inch diameter what is the speed of the exhaust?
24 MPH
At a 19 inch diameter what is the temperature rang of the exhaust?
250 to 300 degrees Fahrenheit.
How should be the most aware of the APU when it’s running?
Anyone working underneath the aft section of the aircraft.
When fueling or de-fueling at what distance should you be from operating airborne type radio or air radar equipment?
100 feet.
When fueling or de-fueling at what distance should you be from ground radar equipment?
300 feet.
When maintenance is being done on an (ARS) pod what should be checked?
Ensure that the guillotine is not armed or loaded with CAD’s.
Danger areas during engine operation?
Exhaust velocity
Temperature
Air intake
Noise