Volume 2B

Question 1

How many kilovolt ampere (KVA) are the constant frequency generators (CFG) 1 and 2 rated at?

Answer 1

40.

Question 2

A constant frequency generator (CFG) comes on line at an input shaft speed between 15,138 and 15,238 revolutions (rotations) per minute (rpm), or about what percent of the proprotor speed (Nr)?

Answer 2

71.

Question 3

At oil temperatures from -54 degrees Celsius (C) to 75 degrees C, the variable frequency generators (VFG) 3 and 4 are rated at how many kilovolt amperes (KVA)?

Answer 3

80.

Question 4

Automatic alternating current (AC) power system control is provided by the

Answer 4

generator control units (GCU).

Question 5

What components of the alternating current (AC) distribution system provide current protection for the suite of integrated radio frequency countermeasures system (SIRFC) and the aircrew eye respirator protection system (AERPS)?

Answer 5

Circuit breakers.

Question 6

What alternating current (AC) distribution system component contains contactors, current sensors, and terminal boards to connect, route, and sense aircraft electrical power?

Answer 6

Power distribution panel (PDP).

Question 7

What rigid conductive materials jumper electrical power to groups of electrical components and are pre-shaped to fit in prescribed positions internal to the panel or flexible wiring within the circuit breaker panels?

Answer 7

Bus bars.

Question 8

Which components are cooled by the avionics cooling system?

Answer 8

DC regulated converter (CV) 1 and CV2.

Question 9

In the direct current (DC) power system, what solid-state device contains the timing, logic circuits, and relay that automatically disconnects the aircraft battery from the ESS/BAT BUS to prevent excess battery drain during ground servicing?

Answer 9

Battery relay control unit.

Question 10

What facilitates the connection/disconnection of the aircraft battery to the MAINT BUS?

Answer 10

RCCB 2.

Question 11

What direct current (DC) power distribution system component provides the bus health monitor function for DC BUS 2, DC BUS 3, and the essential/battery BUS?

Answer 11

Avionics bay interface unit (ABIU).

Question 12

How many feed-through capacitor filters are contained in the direct current (DC) power distribution system?

Answer 12

Ten.

Question 13

What systems are not powered by the external power system?

Answer 13

Nacelle ice protection systems.

Question 14

When external electrical power is connected, but not applied to the aircraft electrical system, the external power box and text is displayed on the cockpit display unit (CDU) as

Answer 14

EXT CON.

Question 15

The numbers used for reference designators in the wiring system for system, subsystem, and sub-sub- system identification are based on the

Answer 15

unified numbering system.

Question 16

In direct current (DC) power, what type of cable wiring uses the airframe ground for power return?

Answer 16

Single.

Question 17

What tracer color is used with the integrated wiring system (IWS) to identify position 1?

Answer 17

Orange.

Question 18

What kind of wire harness consists of both conventional (individually shielded and/or unshielded) wires and integrated wiring system (IWS) wire?

Answer 18

Hybrid.

Question 19

How many zones does the flight compartment primary lighting have?

Answer 19

Four.

Question 20

The three electroluminescent 115 volts alternating current (VAC) lights that provide an alternate lighting source for illuminating the instrument panel are the

Answer 20

instrument panel secondary lights.

Question 21

What flight compartment lighting system mode of operation has the maximum brightness levels set for affected cockpit lights?

Answer 21

DAY NORM.

Question 22

What types of cabin lights are identical and interchangeable? Each light contains two incandescent lamps, on with an opaque lens and one with a green night vision imaging system (NVIS) lens.

Answer 22

Dome.

Question 23

Operating power and intensity control for the passenger compartment dome lighting and passenger compartment panel lighting is provided by the

Answer 23

secondary lighting control unit (SLCU).

Question 24

What is the length, in inches, of the shorter formation lighting units that are installed on the inboard top of each nacelle and on top of each aft wing fairing?

Answer 24

9.

Question 25

Two light-emitting diode (LED) light assemblies that are installed on the tip of each proprotor blade are

Answer 25

visible from the top and the bottom.

Question 26

During night vision imagine system (NVG) mode of operation, which anitcollision light(s) is disabled?

Answer 26

Bottom anticollision light.

Question 27

How many degrees must the search/landing lights be extended before they can be turned on?

Answer 27

10.

Question 28

What component provides interface and control for charging power and system logic control for the emergency egress lighting system (EELS)?

Answer 28

Signal conditioning box.

Question 29

What is the minimum time, in minutes, that a fully charged 24 volts direct current (VDC) battery pack contained in the emergency egress lighting system (EELS) control boxes is capable of providing sufficient power to illuminate several emergency egress lighting assemblies?

Answer 29

Ten.

Question 30

When the 28 volts direct current (VDC) is removed (power removed from the aircraft), how long will the countdown timer maintain the emergency egress lighting system (EELS) control box in an extended operational state?

Answer 30

One hour.

Question 31

The lighting control system, through the primary lighting control unit (PLCU), provides operating power and intensity controls for

Answer 31

external lights (position, anticollision, formation, proprotor tip, in-flight refueling).

Question 32

The primary lighting control panel OVHD (overhead) lighting control potentiometer provides luminance control for zones

Answer 32

3 and 4.

Question 33

CPLT lighting control intensity of the left main console panel lights increases when the knob is

Answer 33

rotated clockwise.

Question 34

What environmental protection system provides the intake, particle filtration, and high velocity movement of compressed air for use by the environmental control unit (ECU)?

Answer 34

Compression.

Question 35

What is one of the components responsible for unloading the shaft driven compressor (SDC) during the auxiliary power unit (APU) start up?

Answer 35

Hydraflow surge valve.

Question 36

Controlled by a two-position solenoid valve, the shaft driven compressor (SDC) inlet guide vane is what kind of unit?

Answer 36

Hydraulic-pneumatic.

Question 37

The shaft driven compressor (SDC) oil filter assembly differential oil pressure pop-out is set for how many pounds per square inch differential (PSID)?

Answer 37

18-24.

Question 38

What provides a path for compressed air from the shaft driven compressor (SDC) surge valve outlet to be exhausted overboard?

Answer 38

Surge valve outlet duct.

Question 39

What component will provide unfiltered ambient air to the cockpit and cabin in the event of environmental control unit (ECU) failure?

Answer 39

Emergency vent fan.

Question 40

What kind of filter elements does the inlet particle separator (IPS) filter assembly filters contain?

Answer 40

Two paper fabric internal throw away.

Question 41

What provides partially conditioned air to the onboard oxygen generating system (OBOGS)/onboard inert gas generator system (OBIGGS), avionics cooling, and the wing pneumatic deice system?

Answer 41

Environmental control unit (ECU).

Question 42

What environmental control unit (ECU) subcomponent consists of a single platinum element, hermetically sealed in a probe-type housing?

Answer 42

Compressor temperature sensor.

Question 43

Oxygen (O2) tubes are labeled with tape that identifies oxygen tubes with the legend BREATHING OXYGEN and a

Answer 43

green band followed by a band of rectangle symbols.

Question 44

Nitrogen (N2) tubes are labeled with tape that identifies nitrogen tubes with the legend PNEUMATIC and a

Answer 44

blue and orange band of continuous X-formed lattice.

Question 45

How many pneumatically operated engine nacelle pneumatic detector assemblies are attached to each nacelle?

Answer 45

Two.

Question 46

The optical detectors located in the wing aft covers, midwing area, and the dry bays each have a cone field of how many degrees?

Answer 46

120.

Question 47

Within 35 milliseconds after the fire has fully developed, the optical detector will detect a ten in hydrocarbon pan fire located a maximum distance of how many feet from each detector?

Answer 47

Three.

Question 48

The fire extinguishing system gas generators suppressors discharge makes up less than what percentage of solid agent?

Answer 48

10.

Question 49

To extinguish a fire resulting from an incendiary round through the forward spar, the explosion suppression system uses powder panel assemblies that contain

Answer 49

an aluminum oxide suppressant.

Question 50

In inches, approximately what is the amount of chordwise coverage that the poprotor blade leading edge anti-ice parting strip provides?

Answer 50

One.

Question 51

How many heater zones does each blade deice distributor (BDD) switch power serially to?

Answer 51

10.

Question 52

In the ice protection control system (IPCS), what component activates the deice cycle when the ice thickness on any surface reaches a preprogrammed limit?

Answer 52

Master ice protection controller (MIPC).

Question 53

In what mode, do the ice detectors sense the presence of icing conditions and the anti-icing and deicing is accomplished automatically with no pilot action required?

Answer 53

AIRPLANE.

Question 54

At up to what speed in knots, are the windshield wipers and washer operational?

Answer 54

140.

Question 55

In strokes per minute, what are the two speeds of each windshield washer motor assembly?

Answer 55

120 (low speed) and 180 (high speed).

Question 56

If the wipers are off when WASHER is selected, how long is the time delay, in seconds, that occurs between the WASHER and WIPER ON commands to prevent wiper operation on a dry windshield?

Answer 56

0.8.

Question 57

What component is designed to reduce rotor-induced vibrations and provide anti-ice protection for the proprotor blade assemblies?

Answer 57

Pendulum damper assemblies.

Question 58

What hydraulic system (s) provide 5,000 pounds per square inch (psi) for blade fold/wing stow system indexing and stowing operations?

Answer 58

No. 3.

Question 59

The planetary assembly is mounted in each

Answer 59

proprotor blade.

Question 60

What are the indications on the two pairs of wing lock pin safety flags to show the lock pins are disengaged?

Answer 60

Each flag is half black and half white.

Question 61

Proprotor normal nacelle blower vibration sensors monitor what component's vibrations?

Answer 61

Proprotor and nacelle blower.

Question 62

How many levels of adjustment will the vibration structure life and engine diagnostic (VSLED) will calculate for rotor smoothing?

Answer 62

Two.

Question 63

The pylon driveshaft transfers power from the proprotor gearbox to what major assembly?

Answer 63

Tilt axis gearbox (TAGB).

Question 64

What system transfers power between gearboxes under one engine inoperative (OEI) conditions?

Answer 64

Interconnecting shafting system (ISS).

Question 65

What type of adapter allows for a more solid connection between a driveshaft and its couplings?

Answer 65

Curvic.

Question 66

What additional component in the left proprotor gear box (PRGB) provides for the counter-rotation of the proprotors?

Answer 66

Idler gear.

Question 67

How many debris sensors are in each proprotor gearbox (PRGB)?

Answer 67

Three.

Question 68

What is the maximum flow rate, in gallons per minute (gpm) for the proprotor gearbox (PRGB)?

Answer 68

28.

Question 69

If the dual stage oil filter in the tiltaxis gearbox (TAGB) becomes clogged, what component will ensure oil is supplied to the TAGB?

Answer 69

Single stage oil filter assembly.

Question 70

What component engages and disengages the auxiliary power unit (APU)?

Answer 70

Integral overrunning clutch.

Question 71

What midwing gearbox (MWGB) oil component vents the gearbox to the atmosphere to equalize internal and external case pressure?

Answer 71

Breather.

Question 72

The emergency lubrication system (ELS) oil is not recycled, but passed overboard through what component(s)?

Answer 72

Dump valve.

Question 73

To deliver oil to the low side of the proprotor gearbox (PRGB), what emergency lubrication system (ELS) component does the drive system interface unit (DSIU) sends a signal to?

Answer 73

Oil pump.

Question 74

The AE1107C basic engine consists of four major assemblies: the power turbine assembly, the torque meter assembly, the accessory drive gearbox, and what other major component?

Answer 74

Gas generator assembly.

Question 75

What component's output torque does the torquemeter assembly measure and transmit to the proprotor gearbox (PRGB)?

Answer 75

Power turbine.

Question 76

What is suctioned through two hydraulically driven blowers to the engine air particle separator (EAPS) and discharged overboard?

Answer 76

Debris.

Question 77

How many seconds does it take the engine air particle separator (EAPS) to cycle from "EAPS OFF" to "EAPS AUTO" or "EAPS ON?"

Answer 77

17.

Question 78

What kind of fuel filter is housed in the fuel pump assembly?

Answer 78

Disposable 25-micron.

Question 79

Prior to working on ignition system components, as a minimum, how long, in minutes, must the required circuit breakers be open for?

Answer 79

5.

Question 80

In the compressor acceleration bleed system, compressed air of what compressor stage of the engine is allowed to bleed off during engine start to aid in compressor stall/surge prevention?

Answer 80

Eighth.

Question 81

During emergency engine shutdown, the full authority digital electronic (engine) control (FADEC) keeps what valve de-energized to prevent the flow of air into the nacelle?

Answer 81

Compressor acceleration bleed control solenoid valve (ABC valve).

Question 82

The engine oil tank assembly provides oil at a flow rate of 5.5 gallons per minute (gpm) to what component for lubrication of the engine accessory gearbox?

Answer 82

Oil pump.

Question 83

What does a static cyclonic separator do in the engine lubrication system?

Answer 83

Separate air from the oil.

Question 84

The oil tank assembly ensures adequate delivery of oil to the engine by the oil pump for sea level up to an altitude of how many feet?

Answer 84

30,000.

Question 85

For identification purposes, what color is the engine monitoring system's (EMS) electrical harness color-coded?

Answer 85

Green.

Question 86

A controlled engine shutdown occurs if a temperature rise does not occur within how many seconds of initiating the engine start sequence?

Answer 86

7.

Question 87

What is the maximum number of seconds the auxiliary power unit (APU) can operate in CRANK mode?

Answer 87

30.

Question 88

The auxiliary power unit (APU) starter is what kind of motor?

Answer 88

High speed.

Question 89

How many light emitting diodes (LED) are on the front of the auxiliary power unit (APU) built-in-test (BIT) display unit (BDU)?

Answer 89

Six.