UH 60M ENGINES EXAM TEST WITH COMPLETE SOLUTIONS
What drives Np governing? - Answer-DEC, ODV
What are the 3 main functions of the DEC? - Answer-TGT limiting, Np governing, Torque matching and load sharing
Over servicing is not possible because extra oil will do what? - Answer-Flow out the f...
UH 60M ENGINES EXAM TEST WITH
COMPLETE SOLUTIONS
What drives Np governing? - Answer-DEC, ODV
What are the 3 main functions of the DEC? - Answer-TGT limiting, Np governing,
Torque matching and load sharing
Over servicing is not possible because extra oil will do what? - Answer-Flow out the filler
port
The pneumatic start system uses an air turbine engine start motor for? - Answer-Engine
starting
Where must the engine oil level be in flights over 6 hrs.? - Answer-Full mark
Oil from the chip detector passes through the oil cooler and is cooled by? - Answer-
Transferring heat from the oil to fuel
How is the gas generator turbine connected to the accessory gear box? - Answer-
Mechanically
TGT will be indicated on the Power Pod when? - Answer-TGT > 793° Difference of 75°
or more Engine Out (Ng < 55%)
When does NG appear on the power pod? - Answer-When NG exceeds 100%
What are the primary functions of the overspeed drain valve? - Answer-Hot start
prevention, Overspeed protection, Purges fuel, Sends fuel to 12 injectors
The ____________ provides added protection from heat-seeking weapons' systems by
mixing hot exhaust with rotor downwash. - Answer-UES
What drives LRUs on accessory gearbox? - Answer-Ng
13. The HMU operates what part of the compressor section? - Answer-Variable guide
veins
14. What controls the electrical function of the engine and transmits systems information
to the cockpit? - Answer-DEC (digital electronic control)
15. What is the DEC is powered by? - Answer-Alternator or aircraft power
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