Jet Engine 1 to 5 Online Test

1.Where do stress rupture caracks usually appear on turbine blades-
Along the blade root, parallel to the fir tree
Along leading edge, parallel to the edge
Across the leading or trailing edge at a right angle to the edge length 2.The recurrent ingestion of dust or other fine airborne particulars into a turbine engine can result-
Foreign object damage to the compressor section
The need for less frequent abrasive grit cleaning of the engine
Erosion damage to the compressor and turbine section
ALL 3.The highest heat to metal contact in a jet engine is the-
Burner can
Turbine inlet guide vanes
Turbine blades 4.what is used in turbine engine to aid in stabilization of compressor airflow during low thrust engine operation-
Stator vanes and rotor vanes
Variable guide vane and/or compressor valve
Pressurization and dump valve 5.what is function of the inlet guide vane assembly on an axial-flow compressor-
Directs the air into the first stage rotor blades at the proper angle
Convert velocity energy into pressure energy
Converts pressure energy into velocity energy
Both 1&2 Score = Correct answers:

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