7.1 Flashcards
What year was the health and safety act?
1974
What is the minimum distance for no-smoking signs?
15m
What is the minimum distance for fuelling zone?
6m
What is GPU’s
Ground Power Units
What must be done before working on fuel tanks?
Must be drained and purged
How many metres must the refueller be away from the aircraft?
3m
What is the clearance zone for refuelling around the aircraft?
10m
What is a PAT sticker?
portable appliance test sticker
How many amps can cause a sensation?
0.001-0.008 amps
How many amps can cause muscular contraption?
0.012- 0.02 amps
How many amps can be fatal?
0.1-0.2 amps
What is the pressure of compressed air in the workshop?
80psi
What should oxygen be avoided coming in contact with?
Oils and greases
Why is cascade charging done?
Avoids wastage of gas
What is POL
Petrols, oils, lubricants
What three components are needed for a fire to burn?
Oxygen, heat and fuel
What are class A fires?
Wood, paper and fabrics
What are class B fires?
Petrols, oils and lubricants
What are class C fires?
Flammable gases
What are class D fires?
Metals
What are class F fires?
Cooking oils and fats
What does a water fire extinguisher do?
Red
Cools the fire to below kindling temperature
Class A fires
What does a CO2 fire extinguisher do?
Black
Excludes oxygen from fire
Class B and electrical fires
What does a dry powder extinguisher do?
Blue
Interrupts combustion chain reaction
Class B and C and D fires
What does a foam extinguisher do?
Yellow
Starves fire of oxygen
Class A and B fires
What does a halon extinguisher do?
Green
Chemically disrupts combustion
Class B and C fires
What extinguisher is used for aircraft cabin fires?
Halon extinguisher
What extinguisher leaves no residue
Halon (HALON BLEND)
What is AFFF?
Aqueous film forming foam
Also known as Tridol
What has AFFF been replaced by?
FFFP known as Petroseal
Where should all accidents on aircraft be reported to?
AAIB (aircraft accidents investigation branch) within 72 hours
