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Bell 206 BII > Type Exam #2 > Flashcards

Type Exam #2 Flashcards

1
Q

Bell 206 B has either Rolls Royce model _________ or __________ producing _________ and __________ shaft horse power respectfully.
Debated to __________ because _________

A 
250-C20
250-C20B
400 HP
420 HP
370 HP
To maintain sea level performance at altitude
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2
Q

Fuselage consists of________

A

3 main sections

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3
Q

Main rotor diameter ________
Tail rotor diameter BII _________
Tail rotor diameter BIII _________

A

33’4”
62”
65”

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4
Q

4 Modular sections of engine

A

Compressor
Accessory gearbox
Turbine
Combustion

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5
Q

Free turbine engine means?

A

Gas producer and power turbine are not mechanically connected

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6
Q

Compressor compresses air through _______ axial and ________ centrifugal states of compression

A

6

1

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7
Q

A ________ and _________ are mounted in rear ending of combustion case

A

Spark ignitor

Fuel nozzle

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8
Q

Approximately ________ of compressed is used for combustion, the rest is used for __________ and ________

A

25%
Cooling
Accessories

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9
Q 
The gas producer turbine (N1) drives the \_\_\_\_\_\_\_\_\_\_\_ and through accessory gear train:
1
2
3
4 
5
A 
Compressor
Fuel pump
Oil pump
N1 Tach Gen
FCU
Starter Generator
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10
Q 
Power turbine (N2) gear train drives the:
1
2
3
4
A

N2 Tach/Gen
Power Turbine Governor
Torque meter
Power output shaft

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11
Q

The particle separator ejects contaminants overboard by means of ___________ that creates a Venturi effect

A

Bleed Air

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12
Q

The bleed air valve is mounted on _________ stage of the compressor and is designed to prevent compressor __________ and ___________

A

5th
Surge
Stall

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13
Q

The TOT is measured using _________ chromel alumel thermocouples

A

4

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14
Q

The engine out warning system will activate whenever the N1 is less than _________

A

55% +- 3%

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15
Q

Ignition system consists of
1
2
3

A

Exciter
Ignitor lead
Spark ignitor

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16
Q

Standard fuel cell holds _________

A

76 US Gallons

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17
Q

Fuel cell with range extender holds ______

A

96.7 US Gallons

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18
Q

Unusable fuel is approximately

A

1 US Gallon

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19
Q

Fuel is supplied by ________ identical electrical pumps

A

2

20
Q

Engine driven fuel pump operates at approximately _______ PSI

A

600 PSI

21
Q

If the engine driven fuel pump quits will engine quit?

A

Yes

22
Q

The N2 “beep range” adjusted by linear-actuator should be _________ on a BII and ________ on a BIII

A

95-100% +-1%

97-100% +-1%

23
Q

The oil cooler blower also provides cooling for the _________ and __________ systems

A

Transmission

Hydraulic

24
Q

If the scavenge oil filter button is popped out?

A

An impeding bypass

25
Q

Engine torque is a measurement of?

A

Oil pressure

26
Q

The engine oil system is protected by _______ chip detectors?

A

2

27
Q

The transmission and free wheeling unit oil system is protected by ________ chip detectors

A

3

28
Q

The tail rotor gearbox is protected by ______ chip detectors

A

1

29
Q

The hydraulic system operates at?

A

600 PSI

30
Q

There are _______ hydraulic servo actuators?

A

3

31
Q

The collective servo is mounted in the _________ and the cyclic servos are mounted __________

A

Middle

On each side

32
Q

If the hydraulics filter button is popped out it means?

A

Impeding filter blockage

33
Q

The hydraulic system is considered fail safe?

A

It will operate normally during complete electrical failure

34
Q

The transmission receives the engine output shaft at ________ RPM and reduces it to ________ rotor RPM

A

6016

394

35
Q

An accessory drive pad on the transmission drives the
1
2
3

A

Transmission oil pump
Hydraulic pump
N2 Tach Gen

36
Q

Purpose of free wheeling unit?

A

To allow power train to disengage from the engine should the engine fail

37
Q

The tail rotor is supported by ______ self aligning bearing assemblies

A

8

38
Q

The tail rotor gearbox reduces main rotor shaft from ________ RPM to ________ tail rotor RPM

A

6016

2553

39
Q

The main rotor is a __________ system and the tail rotor is a __________ design

A

Under slung semi rigid

Semi rigid delta hing

40
Q

What is the purpose of the horizontal stabilizer?

A

To provide a downward force on the tail boom resulting in the near level attitude in forward flight

41
Q

Why is the vertical stabilizer off-set?

A

To help reduce to load on the tail rotor in fwd flight

42
Q

The electrical system is a direct-current ___________ volt system with a __________ volt battery

A

28

24

43
Q

A good start is considered to be less than __________ from the introduction of fuel to reaching ground idle

A

25 seconds

44
Q

Consistent long cool stars longer than __________ or more can be detrimental to the life of the gas producer turbine?

A

35 seconds

45
Q

___________ , ___________ starts increase cooling and help to insulate the turbine

A

Quick , warm

Bell 206 BII (2 decks)

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