ASYS 220 Exam 2 Review

Which one is not a form we use oxygen in?

• Solid

• Liquid

• Gas

• Plasma

What color are low pressure oxygen bottles?

• Green

• Yellow

• Brown

• Black

What color are high pressure oxygen bottles?

• Green

• Yellow

• Brown

• Black

Liquid oxygen systems are typically found on what type of aircraft?

• Homebuilt

• Military

• High altitude

• Restricted category

How is solid oxygen activated?

• Demand from the person inhaling at the mask

• Opening a regulator

• By a small explosive charge

• By mixing with water

Which type of oxygen system uses this type of mask to deliver oxygen to cabin crew and passengers?

• Regulated

• Pressurized

• Continuous flow

• Diluter demand

When servicing oxygen, what must be free of grease and oil?

• Coverall

• Tools

• Lines and hoses

• All of these

What happens to oxygen bottles when filling?

• They heat up - so fill slowly to prevent overheating

• They get cold - so fill slowly to prevent freezing

• They expand - so loosen mounting clamps first

• Nothing, they're designed for this

When servicing oxygen from a cart using the cascade method, which bottle should we use first?

• The fullest bottle

• The second-fullest bottle, save the full one

• The lowest pressure bottle that's higher than the aircraft one

• Open all bottles at once and let the regulator regulate the flow

If we're servicing an oxygen system before departing Cancún, the aircraft is much hotter than it usually is, what do we have to consider?

• Fill the system higher pressure than it is rated for

• Fill the system to what it is rated for

• Fill the system to lower pressure than it is rated for

• Don't service the system until at standard temperature