11.10

Question 1

What tanks have baffles

Answer 1

All by the small ones

Question 2

What is the purpose of a baffle

Answer 2

Resist fuel from surging due to change in altitude

Question 3

What does a jettison valve do

Answer 3

Allow to dump fuel during flight

Question 4

What’s a trim tank

Answer 4

Stores fuel and trims aircraft

Question 5

What do vent/ surge tanks do

Answer 5

Allow fuel tanks to be vented properly

Question 6

Where are flexible hoses used

Answer 6

Areas where vibration occurs

Question 7

What are rigid lines made of

Answer 7

Stainless steel or aluminium alloy

Question 8

Why don’t you over tighten a leaky fitting

Answer 8

Cause further damage to fitting

Question 9

Why are lines electrically bonded and grounded

Answer 9

Fuel flow generates static electricity

Question 10

2 types of fuel

Answer 10

Avgas & jet fuel

Question 11

Most popular jet fuel

Answer 11

Jet a1

Question 12

Flashpoint range of jet A & jet A1

Answer 12

43-65 degrees c

Question 13

Jet A freeze point

Answer 13

-40 degrees c

Question 14

Jet a1 freeze point

Answer 14

-47

Question 15

Jet b freezing point

Answer 15

-50 degrees C

Question 16

3 types of fuel tanks

Answer 16

Rigid

Bladder

Integral

Question 17

3 types of fuel tanks

Answer 17

Rigid

Bladder

Integral

Question 18

What’s a sump area

Answer 18

Low area where contaminates and water settle

Question 19

Advantage of rigid removable fuel tanks

Answer 19

You can easily remove and replace if leaks or malfunctions are found

Question 20

What is bladder fuel tank made of

Answer 20

Reinforced flexible material

Question 21

Advantage of bladder tank or rigid

Answer 21

Doesn’t require a large opening within aircraft skin for instillation

Question 22

Support board material

Answer 22

Fiberglass

Question 23

What’s the most common location for integral tank

Answer 23

Wings , they are known as wet wings

Question 24

What’s an integral tank

Answer 24

Fuel tank part of the structure

Question 25

What’s the need for nitrogen generating system

Answer 25

Improve saftey by replacing oxygen for nitrogen in fuel tanks

Reduces the risk of tank explosion

Question 26

Where is the nitrogen generating system air from that it removes oxygen from

Answer 26

Engine bleed air system

Question 27

What does the air separation module do

Answer 27

Uses hollow fibre membranes to separate nitrogen and oxygen based on particle sizes and diffusion rates

Question 28

What is low flow in ngs

Answer 28

Used to conserve bleed air to protect the heat exchanger

Prolongs life of the asm

Question 29

What’s high flow in ngs

Answer 29

Used in decent to keep the oxygen level low to a max of 12%

Question 30

4 classifications of a leak

Answer 30

Stain - less then 3/4 inch

Seep - 3/4 - 1.5’’

Heavy seep - 1-5 - 4”

Running leak - pool and drip

Question 31

How long do you monitor surface area of a fuel leak for

Answer 31

30 minutes

Question 32

What does SFAR88 do

Answer 32

Manufactures must inspect fuel systems and components

Operators must introduce improved maintenance programs and adjustments to avoid ignition sources

Question 33

What are CDCCL

Answer 33

Components which fail and interact with fuel system can create an unsafe condition

Question 34

Causes of ignition of fuel Vapor’s

Answer 34

Electrical cars

Filament heating

Friction sparks

Hot surface ignition or auto

Question 35

What do gas detectors in fuel tanks do

Answer 35

Measure the concentration of combustible vapours

Question 36

2 members of fuel tank team

Answer 36

Confined space entrant and stanby person

Question 37

What areas do you check before closing fuel tank

Answer 37

Fuel and water drain holes and paths

Fuel scavenge system components

Fuel quantity indicating systems components

Question 38

Where are auxiliary tanks

Answer 38

Horizontal stabiliser or cargo