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WorksheetsAir Tech - Support Systems
Total questions: 11
Worksheet time: 7mins
Pascal's principle states that if...
pressure is applied at any point to any substance in a closed system, that same pressure is felt throughout the system
pressure is applied at any point to air in a closed system, that same pressure is felt throughout the system
pressure is applied at any point to a liquid in a closed system, that same pressure is felt throughout the system
pressure is applied at any point to a solid in a closed system, that same pressure is felt throughout the system
Advantages of hydraulics over other systems
Select all that apply.
relatively lightweight
efficient
not flammable
minimal maintenance required
fluid is non-corrosive
What colour is mineral based hydraulic oil?
red
green
purple
blue
A disadvantage of synthetic based hydraulic fluid is it...
is prone to forming sludge
is unsuitable for higher pressures
it is highly flammable
it is hydroscopic (attracts moisture)
The purpose of a check valve in a hydraulic system is to...
limit the amount of pressure in a system
initiate the movement of actuators in a system
prevent the reverse flow of fluid
direct hydraulic fluid for system operation
What are the broad types of ice protection systems?
Select all that apply
Mechanical
Fluid
Thermal
Aerodynamic
De-icing fluid works by...
lowering the freezing point of the ice
raising the freezing point of the ice
stripping the ice from the wings by forming a layer between the wing and the ice build up
dissolving the ice by chemically breaking up the water atom into Hydrogen and Oxygen
Which of these are types of fire detection mechanisms found in aircraft?
Select all that apply
bi-metallic switch
thermocouple
capacitance measuring
thermal imaging
A continuous loop fire detection system...
once activated, must be reset by engineers on the ground
uses a thermocouple to respond to increased heating in an area
is only used in engines in aircraft due to their complexity
has thermistor material contained within a wire
The two types of fire extinguishing agents that may be used inside the cabin of an aircraft are...
carbon dioxide
dry powder
methyl bromide
halon
hydroflurocompounds
Tonight, I've got a date with...
My textbook
The gym (lifting my textbook)
My textbook, obviously I'm studying
My significant other (my textbook)
