The Bell 206B series is powered with either a Rolls Royce model _______ or ________. correct
answers 250-C20, 250-C20B
The engine on the Bell 206B produces________ and ________ shaft horsepower respectively.
correct answers 400, 420
The engine on the Bell 206B is derated to _______ shaft horsepower. correct answers 317
Why is the engine derated? correct answers Transmission power Limitations
The fuselage consists of _________ main sections. correct answers 3
The main rotor diameter is? correct answers 33' 4"
The tail rotor diameter on the Bell 206B ii is? correct answers 62"
The tail rotor diameter on the Bel 206B iii is? correct answers 65"
With standard landing gear, the skid width is_______? correct answers 6' 3.5"
The modular design of the engine is broken into four sections. They are:a.___ b.___ c.___ d.___.
correct answers a. Compressor b. Accessory Gearbox c. Turbine d. Combustion.
A "Free Turbine" design means: correct answers Gas Producer not connected to Power Turbine.
The compressor compresses the air through ______ axial and _______ centrifugal stages of
compression. correct answers 6, 1
, A ________ and a _________ are mounted in the rear end of the combustion case. correct
answers Spark Ignitor, Fuel Nozzle
Approximately __________ of the compressed air is used for combustion; the rest is used for
________ and __________. correct answers 25%, Cooling, Accessories
The gas producer turbine (N1) drives the ________ and, through the accessory gear train, the
a.___ b.___ c.___ d.___ e.___. correct answers Compressor, a. Fuel Pump, b. Oil Pump, c. N1
Tach Generator, d. Fuel Control Unit (FCU), e. Starter/ Generator.
The power turbine (N2) gear train drives the a.___ b.___ c.___ d.___. correct answers a. N2 Tach
Generator, b. Power Turbine Governor, c. Torque Meter, d. Main Power Output Shaft.
The particle separator ejects contaminates overboard by means of _________ that creates a
venturi effect. correct answers vacume
The bleed air valve is mounted on the _______ stage of the compressor and is designed to
prevent compressor _______ and _______. correct answers 5th, surge, stall
The turbine outlet temperature (TOT) is measured using _______ chromel-alumel
thermocouples. correct answers 4
The engine out warning system will activate whenever the N1 is less than_______. correct
answers 55% +/-3%
The ignition system consists of an a.___ b.___ c.___. correct answers a. Low Tension Capacitor
Discharge Ignition Exciter, b. Spark Ignitor Lead, c. Shunted Surface Gap Spark Ignitor.
A standard fuel cell holds _____ US gallons when equipped with a Range Extender it is
increased to _____ US gallons. correct answers 76, 96.7