Podcast
Questions and Answers
What is the purpose of an anti-ice system?
What is the purpose of an anti-ice system?
- To prevent the formation of ice (correct)
- To inflate the boots on leading edges
- To remove ice after it forms
- To create a smooth surface for the aircraft
How are de-icer boots typically constructed?
How are de-icer boots typically constructed?
- By direct connection to the engine
- With single air passages
- Using electrical wiring
- With multiple separate air passages or chambers (correct)
What is the function of the air control valve in de-icing systems?
What is the function of the air control valve in de-icing systems?
- To increase engine power
- To inflate the boots continuously
- To pump high-pressure air into the tubes
- To apply low pressure or vacuum to the tubes (correct)
How is vacuum pressure maintained in de-icing systems when not in use?
How is vacuum pressure maintained in de-icing systems when not in use?
How long are the tubes typically inflated with high-pressure air in de-icing systems?
How long are the tubes typically inflated with high-pressure air in de-icing systems?
What is the role of engine-driven pumps in de-icing systems?
What is the role of engine-driven pumps in de-icing systems?
What is the main danger of ice forming on the wings and stabiliser of an aircraft?
What is the main danger of ice forming on the wings and stabiliser of an aircraft?
How does ice formation on a propeller affect its efficiency?
How does ice formation on a propeller affect its efficiency?
What can ice formation on jet engine air intakes cause?
What can ice formation on jet engine air intakes cause?
How can ice breaking off from a jet engine intake affect the aircraft?
How can ice breaking off from a jet engine intake affect the aircraft?
What is the consequence of ice formation on masts and probes such as pitot tubes and antennas?
What is the consequence of ice formation on masts and probes such as pitot tubes and antennas?
Why is ice forming on windshields dangerous for an aircraft?
Why is ice forming on windshields dangerous for an aircraft?
What is the purpose of inflating de-ice boots on an aircraft?
What is the purpose of inflating de-ice boots on an aircraft?
How long do the de-icer boots deflate for in the cold sequence after a 6-second inflation?
How long do the de-icer boots deflate for in the cold sequence after a 6-second inflation?
What is a crucial step in maintaining de-icer boots?
What is a crucial step in maintaining de-icer boots?
How does the timer/distributor valve direct air to the de-ice boots?
How does the timer/distributor valve direct air to the de-ice boots?
Which components of the aircraft are included in the warm sequence for de-ice boot inflation?
Which components of the aircraft are included in the warm sequence for de-ice boot inflation?
How should oil and grease be removed from de-icer boots?
How should oil and grease be removed from de-icer boots?
What provides information to EICAS if power is not supplied through the heater?
What provides information to EICAS if power is not supplied through the heater?
How is the probe heater supplied with power during testing?
How is the probe heater supplied with power during testing?
What are the two modes in which most heater systems operate?
What are the two modes in which most heater systems operate?
What is used for anti-icing in some cases?
What is used for anti-icing in some cases?
During testing, which relays are energized for the probe heater?
During testing, which relays are energized for the probe heater?
Which systems operate at 26-V AC on ground mode and 115-V AC in air mode?
Which systems operate at 26-V AC on ground mode and 115-V AC in air mode?
What is the purpose of the engine anti-icing system mentioned in the text?
What is the purpose of the engine anti-icing system mentioned in the text?
What happens if ice builds up in the engine's inlet duct?
What happens if ice builds up in the engine's inlet duct?
Which aircraft components can be affected by ice entering the engine?
Which aircraft components can be affected by ice entering the engine?
What does a blue indicator light in the cockpit signify related to the engine anti-icing system?
What does a blue indicator light in the cockpit signify related to the engine anti-icing system?
Where is hot bleed air directed when the engine anti-icing system is activated?
Where is hot bleed air directed when the engine anti-icing system is activated?
Why is blue used as an indicator color for the engine anti-icing system being active?
Why is blue used as an indicator color for the engine anti-icing system being active?
