AIRFRAME ICE AND RAIN CONTROL Flashcards
When installing pneumatic surface-bonded type deicer boots,___________.
remove all paint from the area to be covered by the deicer boot.
What is one check for proper operation of a pitot/static tube heater after
replacement?
Ammeter reading.
What controls the inflation sequence in a pneumatic deicer boot system?
Distributor valve
What is the source of pressure for inflating deicer boots on reciprocating engine
aircraft?
Vane type pump.
What is the source of pressure for inflating deicer boots on reciprocating engine
aircraft?
Vane type pump.
What may be used to clean deicer boots?
soap and water.
What method is usually employed to control the temperature of an anti icing system
using surface combustion heaters?
Thermo cycling switches.
What is the purpose of the oil separator in the pneumatic deicing system?
To protect the deicer boots from oil deterioration.
Two possible sources of heat for the operation of a wing thermal anti-icing system
are___________ .
combustion heater, exhaust gases
Which of the following connects vacuum to the deicer boots when the systems is not
in operation, to hold the boots tightly against the leading edges in flight?
Distributor valve.
Carburetor icing may be eliminated by which of the following methods?
Alcohol spray and heated induction air.
Why should a chemical rain repellant not be used on a dry windshield?
It will restrict visibility.
What mixture may be used as a deicing fluid to remove frost from an aircraft
surface?
Ethylene glycol and isopropyl alcohol.
What icing condition may occur when there is no visible moisture present?
Carburetor ice.
What is used as a temperature sensing element in an electrically heated
windshield?
Thermistor.
