M15 Gas Turbine Engine Sub-Module No 12 (Quiz :1)

Air System

Quiz

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1. Electrical and chemical anti-ice systems are common and well-suited for--------- aircraft ?
   1.   Large
   2.   Small
   3.   Medium
2. The hottest area occurs in and around the------------?
   1.   Compressor
   2.   Turbines
   3.   Diffuser
3. The engine exterior and the engine nacelle are cooled by passing --------- around the engine and the nacelle ?
   1.   Ram air
   2.   Fan air
   3.   Primary air
4. Which area is vented by using ram air through an inlet in the nose cowl and is exhausted through a louvered vent in the right fan cowling ?
   1.   Zone 3
   2.   Zone 2
   3.   Zone 1
5. Which flow of air forms a cooling air blanket on both sides of the liner and centers the combustion flames so they do not contact the liner ?
   1.   Primary
   2.   Secondary
   3.   Atmosphere
6. One of the most common ways of cooling the components in the turbine section is to use ?
   1.   Engine bleed air
   2.   Ram air
   3.   Fan air
7. LP turbine disks are cooled by ?
   1.   Compressor discharge air
   2.   Frist stage air
   3.   Intermediate stage air
8. To increase the life of the ngvs and turbine blades they are cooled by ?
   1.   Ram air
   2.   Compressor air
   3.   Primary air
9. The ------------- section is referred to as the cold section ?
   1.   Centre
   2.   Aft
   3.   Forward
10. The aft section (turbine) is referred to as the------------- section ?
    1.   Hot
    2.   Cold
    3.   Intermediate