WorksheetsModule 11/1
Total questions: 121
Worksheet time: 1hrs 1mins
Wing spoilers, when used asymmetrically, are associated with.
Ailerons
Rudder
Elevators
If an aircraft is yawing to the left, where would you position the trim tab on the rudder?
To the centre
To the right
To the left
If an aircraft is flying with a left wing low, where would you move the left aileron trim tab?
Down
Up
Moving the aileron trim tab will not correct the situation
When a leading edge flap is fully extended, what is the slot in the wing for?
To allow the flap to retract into it when it retracts
To re-energise the boundary layer
To increase the lift
An aircraft left wing is flying low. The aileron trimmer control to the left aileron trim tab in the cockpit would be.
Moved up causing the left aileron to move up.
Moved up causing the left aileron to move down.
Moved down causing the left aileron to move down.
The purpose of a slot in a wing is to.
Speed up the airflow and increase lift.
Act as venturi, accelerate the air and re-energise boundary layer.
Provide housing for the slat.
Large flap deployment.
Has no effect on spanwise flow.
Causes increased spanwise flow towards tips on wing upper surface.
Causes increased spanwise flow towards tips on wing lower surface.
To ensure that a wing stalls at the root first, stall wedges are.
Installed at the wing trailing edge at the wing root.
Installed at the wing trailing edge at the wing root.
Installed on the wing leading edge at the wing root.
Ailerons control the aircraft in the.
Longitudinal plane.
Directional plane.
Lateral plane.
An anti-balance tab is used.
For trimming the aircraft.
To give more feel to the controls.
To relieve stick loads.
If the aircraft is flying nose heavy, which direction would you move the elevator trim tab?.
Up to move elevator up.
Down to move elevator up.
Up to move elevator down.
Zone 320 under the ATA system is.
Horizontal stabiliser.
Vertical stabiliser.
Central fuselage.
How is damage to the nose cone of an aircraft prevented during a lightning strike?
Earthing Strap.
Bonding Strip.
Special paint.
Tension is the stress of.
Elongating or stretch.
Crush or compression.
Twisting.
A Fuselage Station is a.
Lateral point on aircraft wing.
Lateral point on aircraft fuse.
Longitudinal point on the aircraft fuselage.
ATA Zone 100 is.
Upper fuselage.
Left-hand wing.
Lower fuselage.
Which of the following is an example of a failsafe structure?
Longeron
Spar
Stringer
In semi-monocoque construction, compression loads are taken by.
Stringers
Bulkheads
Frames
A structural member intended to resist compression is a.
Tie
Strut
Web
Stringers are used in which of the following types of aircraft fuselage construction?
Semi-monocoque.
Truss type.
Monocoque.
What material can be chromated as a protection against corrosion?
Aluminum alloys.
Magnesium alloys.
Ferrous alloys.
Sealant or levelling compound is installed during structure repair:
According to AMM and SRM chapter 51.
According to SB instructions.
According to separate manufacturer's documentations such as BAC.
r levelling compound is installed during structure repair:
According to AMM and SRM chapter 51.
According to SB instructions.
According to separate manufacturer's documentations such as BAC.
In pressurized aircraft, undercarriage bays.
Are unpressurised
May be pressurized or unpressurised.
Are pressurized
The main longitudinal members in a fuselage are called.
Frames
Longerons
Spars
Windshields are heated to.
Maintain strength and toughness only.
Prevent misting and icing only.
Demist, ant-ice and maintain strength and toughness
If heat is applied to the vinyl interlayer of an aircraft windscreen, its ability to withstand impact will.
Increase
Decrease
Not change
A plug type window is fitted.
From the outside
From either side
From the inside
Passenger cabin seat rails form part of the.
Frames
Stringers
Longerons
Wing bending and shear loads are taken by.
Spar cap
Skin
Main spar
On a mono-spar wing, what gives the wing its profile contour?
Milled stringers.
The position of the spars.
Ribs.
In a Bleed Air air-conditioning system, the warm air supply is provided by.
The compressor of the gas turbine engine
The gas turbine exhaust.
The engine exhaust heat.
In most pressurization systems, the amount of compressed air delivered to the cabin is.
Reasonably constant irrespective of altitude
Constant at any particular altitude but varies for different altitudes.
Variable, depending on the amount selected by the cabin rate of change selector.
The purpose of a mass flow controller is to.
Ensure that a constant mass of air is delivered to cabin at all times
Allow pilot to select the desired cabin altitude.
Ensure the cabin altitude remains constant during cruise at all altitudes.
A refrigerant is used in which of the following?
Air cycle machine
Pneumatic pump
Vapour cycle
A water separator is located.
Upstream of the turbine.
Downstream of heat exchanger.
Downstream of turbine.
Air conditioning systems.
Decrease the temperature of air.
Increase and decrease the temperature of air.
Increase the temperature of air.
An air cycle machine turbine.
Drives compressor to increase temperature.
Drives compressor to pressurise aircraft.
Drives compressor to decrease temperature.
An air-to-air heat exchanger is provided to.
Reduce the air supply temperature.
Provide an emergency ram air supply.
Increase the air supply temperature.
Temperature control of cabin air is achieved by.
Controlling the water vapour in the supply.
Varying the ambient airflow to the heat exchanger.
Regulating the amount of air by-passing the cooling system.
In pressurized aircraft, temperature conditioning is mainly achieved by.
Varying cabin pressure.
Extracting heat from the pressurising air.
Adding heat to the pressurising air.
A cold air unit produces a drop in temperature by.
Reducing pressure and driving the units compressor.
Driving the units compressor.
Reducing pressure.
Heating for pressure cabins is obtained from.
Heating for pressure cabins is obtained from.
Air supply heated by the pressurising process.
Driving the units compressor.
A cold air unit produces a drop in temperature by.
Directing compressed air into a heat exchanger.
Air supply to the cabin.
Expanding hot air across a turbine which is driving a compressor.
In a turbo fan cold air system, the heat exchanger cooling air is.
Ram air from ambient conditions
Air bled directly from engine or through blower
Bled from cabin air supply duct
Conditioned air is.
Oxygen added
Moisture removed
Temperature and pressure adjusted
An aircraft cabin is air conditioned and pressurized in order to.
Maintain human efficiency and comfort during flights at high altitudes.
Ensure that the air density within the cabin is maintained at a lower figure than outside the cabin in order to prevent moisture precipitation during rapid decompression.
Ensure that the pressure within the fuselage is always less than the ambient pressure, thus increasing the fatigue life of the fuselage.
In the case of a vapour cycle cooling, system heat is removed from the charge air by.
Reducing the pressure of a vapour.
Changing a vapour into a liquid.
Changing a liquid into a vapour.
The heat exchanger in a turbo-fan system is cooled by.
Engine bleed air or blower air.
Air bled from the main cabin supply duct.
Ambient ram air.
The effective temperature of a cabin is given by.
Temperature, humidity, thermal inertia and heat load.
Temperature only.
Temperature and humidity.
When dissipating heat in a vapour cycle system
Vapour converts to a liquid
The liquid sublimates
Liquid converts to a vapour
As an aircraft descends from cruising altitude (34,000ft), the cabin altitude must?
Decrease
Increase
Stay the same
The basic system of cabin pressurisation is to arrange a constant.
Inlet and outlet
Inlet and vary the outlet
Outlet and vary the inlet
On touch-down of aircraft
The outflow valve will be shut
The cabin pressure will be zero
The outflow valve will be fully open
In the flightdeck of a pressurised aircraft, there is a gauge that shows?
Cabin pressure altitude
Aircraft altitude
Cabin differential pressure
Cabin differential pressure is the pressure difference between ?
8,000ft and standard barometric pressure
Sea level air pressure and indicated dynamic pressure in the cabin
The pressure inside the aircraft and the ambient air pressure
Cabin pressure is maintained by
Controlling the supply of air to the cabin
Controlling the output of the compressor
Controlling the amount of air discharged from the cabin
What are the main areas of the autopilot?
Error, correction, demand, resolved.
Error, correction, follow up, demand.
Error, correction, follow up, command
Autopilot, when on approach to landing, how many axis are used?
2
4
3
Autopilot, when on approach to landing, how many axis are used?
2
4
3
A Yaw Damper is:
An elevator augmentor
A rudder damper designed to avoid the "Dutch roll"
A roll trim tab
An Automatic Flight Control System receives inputs from the following ground based transmitters.
DME, ILS, ADF
VOR, ILS
RA, ADF, ILS
A yaw damper receives error signals from:
the turn coordinator rate gyro
Vertical gyros
Directional gyros
Pilot's instinctive cut-out buttons are positioned.
on right side of control wheel
on side of control wheel furthest from throttles
on left side of control wheel
Inputs to the rudder channels initially originate from:
Compass gyro and gyro for AH
AH gyro and turn and slip gyro
Compass gyro and turn and slip gyro
An aircraft is "homing" to a radio beacon whilst maintaining a relative bearing of zero. If the magnetic heading decreases, the aircraft is experiencing:
right drift
left drift
zero drift
Which of the following is the ICAO allocated frequency band for ADF receivers?
255 - 455 kHz
200 - 1750 kHz
300 - 3000 kHz
In order to obtain an ADF bearing the:
signal must be received by both the sense and loop aerials
sense aerial must be tuned separately
mode selector should be switched to "loop"
The ADF reception loop is always used so that the electromotive force (EMF)
induced is zero
induced is maximum
is zero
A loop aerial, as used in the ADF, will
Always rotate at constant speed before locking on to a signal from an NDB
Will provide the most accurate bearing when it is aligned in the direction resulting in highest signal strength to the ADF receiver
Receive a minimum or null signal from a transmitter when the plane of the loop is at right angles to the direction of the transmitter
Of the bearing indicators available for use on ADFs, the most sophisticated one is:
The Relative Bearing Indicator
The Radio Magnetic Indicator
The Deviation Indicator
SATCOM is used to.
Monitor aircraft
Relay transmissions to and from the aircraft
Determine the position of the aircraft
121.5 MHz is what frequency?
VOR
VHF
ILS
Which frequency is used to achieve line of sight radio communication?
HF
VHF
VHF and UHF
Which is the frequency separation between consecutive frequencies in the VHF band
75 KHz
50 KHz
25 KHz
VHF frequency is.
108 - 136.975 MHz
108 - 112 MHz.
108 - 118 MHz.
A radio frequency of 16 MHz would be used for ?
weather radar.
marker beacons.
HF communications
Service interphone system allows
communication between the flight deck and some areas on the aircraft
communication to other aircraft
Communication to ATC
Which of these barometric instruments uses a restrictor to compute its output?
Machmeter
VSI
ASI
In a Air Data Computer (ADC) system, Mach information is derived from.
pitot and static pressures
indicated airspeed and altitude
indicated air speed and total air temperature
In a Air Data Computer, altitude is produced from.
static air pressure
pitot air pressure and total air temperature
pitot air pressure
In a Air Data Computer (ADC), Indicated Air Speed (IAS) is produced from.
static pressure only
pitot pressure only
pitot and static air pressure
A machmeter works.
always
always except on the ground
above 10,000
In Airways flying, what is the barometric scale of the altimeter set to?
QFE
QNH
1013.25
The pressure measured at the forward facing orifice of a pitot tube is the:
static pressure
total pressure
total pressure plus static pressure
A pitot tube covered by ice which blocks the ram air inlet will affect the following instrument (s):
altimeter only.
airspeed indicator only
vertical speed indicator only
In a standard atmosphere and at the sea level, the calibrated airspeed (CAS) is:
higher than the true airspeed (TAS).
independent of the true airspeed (TAS).
equal to the true airspeed (TAS)
What corrections must be applied to indicated airspeed to produce true airspeed?
Correction for heading and altitude
Correction for wind and temperature
Correction for altitude and temperature
Total air pressure consists of static pressure plus:
Differential pressure.
Total pressure.
Dynamic pressure
A lead-acid battery is considered to be fully charged when the.
cells begin to gas freely
SG and voltage remain constant for specified period
SG reaches 1.180
The preferred method of battery charging a Ni-Cad battery is constant.
power
voltage
current
To parallel an alternating current generator with one or more other generators, phase A must be.
90 degrees out-of-phase and ABC
in-phase with other generators and ABC
in-phase with other generators and CBA only
A fuse-type current limiter
limits current flow to a load
can be used as a radio suppressor
opens a circuit after a time/current condition has been exceeded.
Voltage is controlled by.
the constant speed drive
the swashplate
the voltage regulator
In an AC generation system, the frequency and phase rotation.
must be out of phase prior to paralleling.
is of no consequence after paralleling.
must be synchronised prior to paralleling.
The output frequency of a hydraulically driven standby generator is controlled by.
an IDG
a hydraulically actuated swash plate
a CSD
An AC generator used with a CSD.
does not need a voltage controller because voltage is kept constant.
needs a voltage controller to maintain voltage with increasing load.
does not need a voltage controller because current is kept constant.
One of the main functions of the airline battery is to:
Provide electric power for heating
Be an emergency source of electric power
Provide DC power for certain equipment
Circuit breakers protecting circuits may be:
used only in AC circuits.
used only in DC circuits.
used in AC and DC circuits
The output voltage of DC generators used in aircraft is normally regulated by:
Varying the RPM of the generator.
Controlling the current in the armature (anker) windings.
Controlling the current in the field windings
Assume a constant speed DC generator providing a constant output voltage. If the electrical load increases, the voltage regulator will:
change the direction of the excitation current.
maintain the intensity of the excitation current constant.
increase the intensity of the excitation current
The primary purpose of the reverse current relay is to:
Prevent the generator from delivering current to the generator.
Prevent the battery from delivering current to the generator.
Prevent the generator from delivering too much current
The so-called "hot buses" or "direct buses" are:
directly connected to the battery
kept in operating conditions by an electrical resistance in the case of energy failure.
automatically connected to the battery if generators have failed
A bus-bar is:
a distribution point for electrical power
a device permitting operation of two or more switches together
the stator of a moving coil instrument
A static inverter is a:
device for reversing the polarity of the static charge
transistorized unit used to convert DC into AC
static discharger
If voltage and frequency of the generator drop to zero in flight, it would be an indication that the.
CSD driveshaft had sheared
phase sequence detection circuit has operated
bus tie interlock is inoperative
Assuming all systems are operating normally, as aircraft electrical load increases, generator output voltage will
increases and amperage output increases.
remain constant and amperage output increases.
decrease and amperage output increases.
What is the small pin on the DC ground power connector?
Positive to battery relay
Positive to external power relay
Ground or earth
How is RAT driven?
Airstream
Compressor
Fan
The most widely used electrical frequency in aircraft is:
200 Hz
50 Hz
400 Hz
When an overvolt is present on an AC generator system, the tripping circuit.
trips after a time delay.
trips after a time delay inversely proportional to overvolt amplitude.
trips at a set level.
In an AC distribution system, the purpose of the synchronising bus-bar is to.
supply essential services.
provide interconnection between the generator load busbars.
provide a means of monitoring the load.
The moving part in an AC generator is usually referred to as the:
oscillator
stator
rotor
The function of a constant speed drive (CSD) in an AC generating system is to :
vary the engine rpm (within limits) to compensate for various AC loads.
vary generator rpm in order to compensate for various AC loads.
drive the generator at a constant speed.
AC generator output indications are measured in.
KVA & KW
KW
KW & KVAR
In the event of complete AC generator failure in an AC split bus-bar generation system, how is power maintained to the essential AC bus-bar?
By power fed from static inverter only
By power fed from a hot battery bus-bar only
By power fed from a battery supplied static inverter
A 3 phase AC generator has 3 separate stator windings spaced at :
90°
60°
120°
Assuming a CSD fault is indicated, the CSD should be disconnected:
on the ground only.
at flight idle engine rpm.
during engine operation only
A Constant Speed Drive aims at ensuring
equal AC voltage from all generators.
that the CSD remains at a constant RPM not withstanding the generator RPM
that the electric generator produces a constant frequency.
The specifications for emergency equipment requirements on any given aircraft are found in EASA issued airworthiness codes
CS-23
CS-25
CS-33
Some items regularly considered emergency equipment are:
Life Rafts, Flashlights, Fire Axes …
Life Vests, First Aid Kits, Water Boilers …
Fire Axes, Ovens, Life Vests …
