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Power Plant

Terms in this set (32)

VARTOMS (Variable Rotor Speed Torque Matching System)
What Engine system has failed?
Read on CAD as (VAR NR)
reduction gearbox
Which engine module reduces the power turbine RPM, and transfers power forward to the power output flange?
[a] manual
[b] mechanical
The two sections of the fuel control unit are the [a] control and the hydro-[b] control.
TOT (Turbine Temperature Outlet)
The thermocouples on each engine are used to measure what parameter displayed on the FLI?
Prime Pump
During the start sequence, you must turn on the [______] switches in order to supply fuel to the engines.
Bleed
[_________] air is used to aid in start injector ventilation, prevent compressor stalls, and provide cabin heat.
[A] Axial Compressor
[B] Gas Generator
[C] Power Turbine
[D] Transmission Shaft Accessory Gearbox
[E] Reduction Gearbox
Give the name of the part referred to by each letter;
[a] overspeed
[b] drain
In the event of an overspeed, the [a] and [b] valve activates to shut down the engine.
Gas generator
The [________] turbine drives the compressor.
[a] N1
[b] N2
The major components of the accessory gearbox are the [a] gear train and the [b] gear train.
Provides the first stage of compression.
What does Axial Compressor Assembly do?
Provides the second stage of compression, combustion, and first stage of expansion.
What does this do: Gas Generator High Pressure Section
Transforms gas energy into mechanical power to drive the reduction gearbox.
What does this do: Power Turbine
The forward supporting structure of the engine and provides the drive gears for the starter/generator, N1 Fuel control/pump and oil pump.
What does this do: Accessory Gearbox
Transmits the Power of the turbine to the main transmission.
What does this do: Transmission Shaft
[a] F (Flight)
The "TWIST GRIP" caution light will be illuminated on the CAD until the respective engine twist grip is placed in the "[a]" postion.
Dry sump
The engine has an independent [_______] lubrication system installed on each engine.
VARTOMS (Variable Rotor Speed Torque Matching System)
The engine trim 4 way beeper switch on the pilot's and co-pilot's collective are only active when the [_______] is in the manual mode of operation.
Open
The symbol on the FLI below indicate the compressor bleed valve is ____________.
VAriable Rotorspeed TOrque Matching System
Expand the following abbreviation "VARTOMS"
Two
How many stages of compression in the engine's N1 Section.
[a] increased
[b] decreased
[c] rotor
When the (4 way beeper) switch is moved to the left the power of engine #1 is [a] , while the power of engine #2 is [b] , and the [c] RPM remains constant.
[a] To keep the rotor speed constant under all operations.

[b] To allow manual control of the fuel flow for starting, and in case of fuel control failure.
Select the two functions of the engine control system:

[a] To keep the rotor speed constant under all operations.

[b] To allow manual control of the fuel flow for starting, and in case of fuel control failure.

[c] To limit fuel flow in an over temperature or over toruqe condition.

[d] To activate the engine fire extinguishing system in the event of a engine fire.
A. Increases of power to engine 1, an decreases of power to engine 2

B. Decreases the power to engine 1, an increase of power to engine 2

C. Decreases NR (Rotor RPM)

D. Increases NR (Rotor RPM)
Define what each letter does to the engine
3
There are __________ fire detectors mounted in each engine compartment used to indicate an external engine fire.
15%
The VAR NR caution on the (CAD) and MAN pushbutton for the VARTOMS Mode Selector on the main switch panel illuminate in flight if the engines experience a torque split that exceeds [A]%.
N1
The [a] gear train drives the starter generator and the oil pump.
N2
The [a] gear train drives the main transmission, which drives the main and tail rotor systems.
deactivated
If an engine is shutdown by the overspeed protection system the other engines overspeed protection system will be _______________.
Air, Fuel
In the combustion section, both [a] and [b] are mixed together and ingited to create power.
EMER OFF - switch released
TOT - Greater than 900C
FIRE warning - on
Fire warning test - completed
N1 RPM - Less than 50%
BOT1/BOT2 sw - Depressed
What 4 conditions must exist to activate the engine fire extinguishing system?
[a] Engine 1
[b] oil pressure
The "ENG OIL P" caution on the CAD below indicates that the [a] has lost its [b].
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