Type Exam #2

Question 1

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

Answer 1

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

Question 2

Fuselage consists of________

Answer 2

3 main sections

Question 3

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

Answer 3

33’4”
62”
65”

Question 4

4 Modular sections of engine

Answer 4

Compressor
Accessory gearbox
Turbine
Combustion

Question 5

Free turbine engine means?

Answer 5

Gas producer and power turbine are not mechanically connected

Question 6

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

Answer 6

6

1

Question 7

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

Answer 7

Spark ignitor

Fuel nozzle

Question 8

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

Answer 8

25%
Cooling
Accessories

Question 9

The gas producer turbine (N1) drives the \_\_\_\_\_\_\_\_\_\_\_ and through accessory gear train:
1
2
3
4 
5

Answer 9

Compressor
Fuel pump
Oil pump
N1 Tach Gen
FCU
Starter Generator

Question 10

Power turbine (N2) gear train drives the:
1
2
3
4

Answer 10

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

Question 11

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

Answer 11

Bleed Air

Question 12

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

Answer 12

5th
Surge
Stall

Question 13

The TOT is measured using _________ chromel alumel thermocouples

Answer 13

4

Question 14

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

Answer 14

55% +- 3%

Question 15

Ignition system consists of
1
2
3

Answer 15

Exciter
Ignitor lead
Spark ignitor

Question 16

Standard fuel cell holds _________

Answer 16

76 US Gallons

Question 17

Fuel cell with range extender holds ______

Answer 17

96.7 US Gallons

Question 18

Unusable fuel is approximately

Answer 18

1 US Gallon

Question 19

Fuel is supplied by ________ identical electrical pumps

Answer 19

2

Question 20

Engine driven fuel pump operates at approximately _______ PSI

Answer 20

600 PSI

Question 21

If the engine driven fuel pump quits will engine quit?

Answer 21

Yes

Question 22

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

Answer 22

95-100% +-1%

97-100% +-1%

Question 23

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

Answer 23

Transmission

Hydraulic

Question 24

If the scavenge oil filter button is popped out?

Answer 24

An impeding bypass

Question 25

Engine torque is a measurement of?

Answer 25

Oil pressure

Question 26

The engine oil system is protected by _______ chip detectors?

Answer 26

2

Question 27

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

Answer 27

3

Question 28

The tail rotor gearbox is protected by ______ chip detectors

Answer 28

1

Question 29

The hydraulic system operates at?

Answer 29

600 PSI

Question 30

There are _______ hydraulic servo actuators?

Answer 30

3

Question 31

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

Answer 31

Middle | On each side

Question 32

If the hydraulics filter button is popped out it means?

Answer 32

Impeding filter blockage

Question 33

The hydraulic system is considered fail safe?

Answer 33

It will operate normally during complete electrical failure

Question 34

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

Answer 34

6016 | 394

Question 35

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

Answer 35

Transmission oil pump Hydraulic pump N2 Tach Gen

Question 36

Purpose of free wheeling unit?

Answer 36

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

Question 37

The tail rotor is supported by ______ self aligning bearing assemblies

Answer 37

8

Question 38

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

Answer 38

6016 | 2553

Question 39

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

Answer 39

Under slung semi rigid | Semi rigid delta hing

Question 40

What is the purpose of the horizontal stabilizer?

Answer 40

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

Question 41

Why is the vertical stabilizer off-set?

Answer 41

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

Question 42

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

Answer 42

28 | 24

Question 43

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

Answer 43

25 seconds

Question 44

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

Answer 44

35 seconds

Question 45

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

Answer 45

Quick , warm