BLOCK 7 - AVIATION LIFE SUPPORT SYSTEM

Question 1

SAFETY when working with oxygen systems.

Answer 1

Hands and tools should always be grease and oil free around oxygen systems.

Oil, grease, and organic matter (hydrocarbons) near compressed oxygen can possibly explode

Question 2

Environmental Control system provides what?

Answer 2

pressurization, heating, cooling, ventilation and reduces humidity

Question 3

Outflow valve location? Outside aircraft?

Answer 3

at the bottom of the RH radio rack.

Outside the aircraft, you can see the valve below the copilot’s cockpit window.

Question 4

butterfly valve function

Answer 4

controls air pressure inside the aircraft.

Question 5

Safety valve location

Answer 5

under the lower shelf of the RH radio rack just forward of the outflow valve

Question 6

Air Conditioning system controls cabin and cockpit by?

Answer 6

by mixing hot compressed air and refrigerated compressed air.

Question 7

ACM Air Cycle Machine location

Answer 7

between the heat-exchangers and the water separator

Question 8

Air Cycle Machine contains what?

Answer 8

Primary and Secondary heat exchangers

Question 9

Primary and Secondary heat exchangers function?

Answer 9

used to cool APU and engine

Question 10

Air Cycle Machines (ACM) locations

Answer 10

tail compartment l and r

Question 11

life vest location?

Answer 11

under each seat

Question 12

3 life rafts location?

Answer 12

left side of the cabin.

Question 13

3 portable halon fire extinguishing bottles locations?

Answer 13

Behind copilot seat, closet, and last seat in the cabin.

Question 14

Portable water fire extinguishers location?

Answer 14

on the right side, forward closet.

Question 15

Two portable oxygen bottles location?

Answer 15

one in the closet and one behind the last passenger seat on the right side of the aircraft.

Question 16

crash axe location and function?

Answer 16

In the closet, used in emergency exiting when escape routes aren’t possible.

Question 17

First Aid kit location

Answer 17

forward closet

Question 18

2 Engine Fire extinguishing bottles
How many shots?
Charge to what Psi?
Location?

Answer 18

single-shot bottle, charged to 600 PSI and located in the tail compartment.

Each bottle can be directed at the opposite engine if a second shot is required.

Question 19

How many Oxygen cylinders?

Answer 19

4

to the crew (minimum of two hours) and the passengers (minimum of one hour).