584.What is the purpose of the avionics ventilation system in the avionics bay?

77.When does the bleed load valve regulate ?

76.When are the IGVs commanded to the idle position ?

75.When does the surge control valve fully close ?

74.How do you check the oil quantity ?

73.Which component controls the ignition and starting operation ?

72.What are the three APU modules ?

71.Which components are installed on the combustion chamber ?

70.Of what kind of design is the compressor ?

69.Which drain collects fuel, water and air ?

68.The Electronic Control Box has :