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0 9 -- hw 6

HomeWork 6

QuestionAnswer
Which of the following indications occur during a normal operational check of a pneumatic deicer system? - - Relatively steady readings on the pressure gauge and fluctuating readings on the vacuum gauge. - - Fluctuating readings on the pressure gauge and relatively steady readings on the vacuum gauge. - - Pressure and vacuum gauges will fluctuate as the deicer boots inflate and deflate. Fluctuating readings on the pressure gauge and relatively steady readings on the vacuum gauge.
What method is usually employed to control the temperature of an anti-icing system using surface combustion heaters? - - Thermo-cycling switches. - - Thermostats in the cockpit. - - Heater fuel shutoff valves. Thermo-cycling switches.
What is the purpose of the distributor valve in a deicing system utilizing deicer boots? - - To equalize the air pressure to the left and right wings. - - To sequence the deicer boots inflations symmetrically. - - To distribute anti-icing fluid to the deicer boots. To sequence the deicer boots inflations symmetrically.
What is the purpose of the oil separator in the pneumatic deicing system? - - To protect the deicer boots from oil deterioration. - - To remove oil from air exhausted from the deicer boots. - - To prevent an accumulation of oil in the vacuum system. To protect the deicer boots from oil deterioration.
Where are the heating elements located on most aircraft with electrically heated windshields? - - Laminated in the glass. - - Attached to the glass. - - Inside the windshield frame. Laminated in the glass.
Two possible sources of heat for the operation of a wing thermal anti-icing system are: - - first stage of the air cycle turbine and turbo compressor. - - compressor bleed air and aircraft electrical system. - - combustion heater and exhaust gases compressor bleed air and aircraft electrical system.
What maintains normal windshield temperature control in an electrically heated windshield system? - - Thermal overheat switches. - - Thermistors. - - Manually controlled rheostat. Thermistors.
Arcing in an electrically heated windshield panel usually indicates a breakdown in the: - - temperature-sensing elements. - - autotransformers. - - conductive coating. conductive coating.
Which of the following connects vacuum to the deicer boots when the system is not in operation, to hold the boots tightly against the leading edges in flight? - - Vacuum relief valve. - - Ejector. - - Distributor valve Distributor valve
How do deicer boots help remove ice accumulations? - - By preventing the formation of ice. - - By breaking up ice formations. - - By allowing only a thin layer of ice to build up. By breaking up ice formations.
Created by: sampizzuto
 

 



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