15.19 powerplant install

Question 1

what is firewall

Answer 1

partition between powerplant installation and aircraft

Question 2

what is the function of firewall

Answer 2

isolate the powerplant from the airframe structure incase of fire ans heat created during normal operation

Question 3

what are firewalls usually made of

Answer 3

sheet metal shields made from stainless steels or high heat material

Question 4

what compartments are classified as fire zones

Answer 4

only compartments that contain ignition sources and potential for flammable fluid leakage

Question 6

are gearboxes considered potential ignition sources?

Answer 6

yes

Question 7

what is the fan and thrust reverser cowls attached to

Answer 7

engine - nacelle support frame

Question 8

what are the thrust reverser cowls commonly referred to as

Answer 8

C ducts

Question 9

what is one method to reduce noise from fan of a high bypass engine

Answer 9

use noise absorbent panels

Question 10

what does c duct cowls use to suppress noise

Answer 10

honeycomb pannels

Question 11

whats the minimum bend radii for bends in wires

Answer 11

no more than less than 10 times diameter