Systems

Three Types of Lubrication pumps are what?

Gear, gerotor, vane

The two methods of cooling engine oil includes what type of exchangers?

Oil to air heat and oil to fuel heat

primary purpose of a fuel control unit is to do what?

Provide a precise amount of fuel to match the airflow creating a combustible mixture for the engine

A supervisory EEC consists of what parts?

Hydro-mechanical FCU and Electronic FCU

what are the steps which should be accomplished in order to safely conduct cleaning, inspection, repair of ignitor plugs?

First remove the power input lead to the exciter. then disconnect the high tension lead from the output of the ignition exciter, and then disconnect the high tension lead from the igniter plug and remove the plug.

What are the two pressures normally compared for Engine Pressure Ratio?

Turbine Discharge Total pressure and Compressor total inlet pressure

What are three points which can be used to monitor exhaust temperature?

Turbine Inlet Temperature, Turbine Outlet Temperature, Exhaust Gas Temperature

What is the capacity requirement of a lubrication scavenge pump?

Must be higher capacity than pressure pump

what is the purpose of the computing section in a fuel control unit?

Controls the position of the metering valve in the FCU

What is the approximately operating pressure of a pneumatic starter?

45psig

Three types of air/oil separator found in oil reservoirs?

Can & baffles, tray at the top of the reservoirs, Dwell chamber

Three types of oil filters used in turbine engines?

Wire mesh, pleated fiber, screen disk

What is the primary purpose of a FADEC system?

controls all engine operations