These ones are from the Big Red Jumbo Site
Aircraft General Knowledge
Modem Turboprop aircraft are anti-iced by which method;
a) Thermal
b) Mechanical
c) Electrical
Anti Icing, with modern jet hot air de-icing is used,
a) On leading Edge
b) Leading Edge, slat and flaps
c) On whole wing
How do you test a gaseous smoke detector?
a) Use pressurized gas to test the sensor
b) Use the test button
c) Lindburgh Fire Detector
If the discharge valves close in flight the effect will be
a) Damage the skin
b) Pressure rise to maximum Pressure Differential
c) Cease airflow automatically
What is the purpose of stringers?
a) Turning pressurization into tensile stress
What does a fail-safe structure do?
What do you put on a magnesium fire?
Do oxygen masks have to be down at 14,000 feet?
What does a diffuser in a gas turbine do?
a) Convert kinetic pressure into static pressure
b)
c)
What does a torsion link do?
What air pressurizes a hydraulic system/oil/fuel?
a) Compressor bleed air
b) Air conditioning air
In a non-pressurized aircraft cockpit oxygen is needed at what height?
Is oxygen delivered from a chemical oxygen generator under,
a Under pressure 100%
b Under ambient pressure I 00%
c Ambient air/oxygen mix
Benefits of Nicad batteries?
A 12-volt battery that has 1 dead cell is;
a) The capacity reduced by 1/12th
b) Voltage reduced by III
c) Battery unserviceable
If an aircraft has 1O seats how many fire extinguishers are required
a) 1
b) 2
c) 3
d) 4
How many axes are required for how many seats?
Voltage regulators; if the load is reduced what does the current in the exciter field do?
a) Increase
b) Decrease
c) Nothing
What are the conditions necessary in order to parallel dc generators?
When load sharing ac generators, real and reactive loads are adjusted by controlling
a) Frequency only
b) Voltage only
c) Frequency and voltage
In a magneto, what is the use of a condenser?
When can you disconnect the CSDU?
If opening of an emergency exit is controlled from the outside (and armed?) what will happen
a) Slide will deploy
What happens to the current in a series capacitative circuit when frequency increases?
a) Increase
b) Decrease
c) Neither increases nor decreases
In an ILS in what range does the wavelength fall,
a Decimetric
b Metric
c Hexametric
d Millimetric
If the strength of a radio signal decreases away from the transmitter, this effect is called
a Attenuation
b Ducting
The doors for oxygen mask deployment are operated-,
a Electrically for chemical generators
b Pneumatically for gas
Fuel flow valve cross feed can be used when;
a In flight
b On ground
c Engine supplied from any fuel tank
d Moving fuel from tank to tank
Which fuel tanks are heated?
a Wing
b Main
c All
d None
When is fuel heated?
a Before engine
b In tanks
JAR Ops question about rafts
Reactive loads are controlled by
a Voltage
b Frequency
c Torque
When does oxygen release
When are life jackets inflated?
a In plane
b In water
c On leaving plane
d In sea
Baffle check valves
a Stop fuel flowing to wing tip tanks
b Stop slopping
Pneumatic boot de icing on wing leading edge
a Lasts longer than IO seconds
b Has 10 cycles a second
c Prevents ice build up
What pressure does booster pump supply fuel at?
a 5-1Opsi
b 15-20psi
c 300-500psi
d 3000-5000psi
How can you tell if the aircraft is not bonded properly?
a Static on VOR
b Static on VBF radio
c Corrosion on fuselage
The purpose of bonding is
a To protect against lightening
b Prevent static
c Keep all parts of the aircraft at the same potential
d Keep the aircraft at zero potential
Thermal plugs are found in
a Wheel rims
b Cabin windows
c Fuel tanks
d Fire warning systems
When is windscreen heating activated?
a) At low altitude and moderate icing
b) High altitude
c) When the de fogger isn't keeping up
d) Decreased integrity of windscreen for bird strikes
Electrical system in piston engines?
What are torsion links for?
The damping system on a large aircraft undercarriage
a) Nitrogen/Oxygen mix
b) Viscous liquid and Nitrogen
c) Helium
Shimmy is;
a) Sinusoidal tracking on runway
b) When the plot loses control
c) A torque link
d) Accumulator in the steering control
When a aircraft sill is 1.83m or more above the ground
a) Need escape chute
b) Need long ladder
c) Need self-deployable boarding steps
d) Need cabin crew
What are secondary air doors used for on a gas turbine?
a) Increase power at low altitudes
b) Increase mass flow at high Mach number cruise speed
c) Increase engine cooling
What are fail-safe systems?
High-pressure bleed valves
a) Reduce the pressure ratio
b) Increase EGT
The number of emergency exits depends on
a) The number of passengers
b) The ability to evacuate all passengers in 90 seconds with 50% exits available
What advantage does the theoretical valve and ignition timing give?
a) Ignition before TDC
b) Increased Compression ratio
c) Increased Thermal efficiency
On commercial aircraft what de-icing or anti-icing is normally used
a) Liquid
b) Hot air from compressor
c) Electrical
d) Pneumatic boots
If the cylinder head temp increases this indicates,
a) Too lean
b) Too rich
c) Outside barometric pressure increases
d) Outside barometric pressure decreases
What is a rich mixture?
a) 20 to I
b) 15 to I
C) 9 to I
d) Quarter past two
A high cylinder head temperature and excessive EGT indicates
a) Excessive lean mixture
b) Excessive weak mixture
c) Wrongly set pitch
d) Too much Gin
When controlling mixture do you control?
a) Fuel flow
b) Amount of air
c) Increase in Oxygen
d) Decrease in Oxygen
What is a pressure cabin?
A torque meter is situated between
a) Engine and prop
b) Auxiliary gearbox
c) Between the Pilot and Hostie
d) In the spinner housing
Fuel is pressurized to;
a) Prevent cavitation
b) Prevent vapour lock
c) Keep constant fuel flow in negative G
d) Prevent fuel icing
Meteorology
What do ICAO consider to be a hazard to all aircraft?
What is the width of a tornado?
9km’s
<100m
100-150m
2-6km
Know the meaning of the significant wx symbols
IE moderate turbulence , severe turbulence
Know what happens in the different types of occlusions
ie in a warm occlusion which air moves what, cold air pushes warmer air or war air moves colder air etc.
Given a metar, asked to determine the correct interpretation of the weather conditions
- very subtle differences in the answers were given, such as units for vis (vertical and horizontal) BE CAREFUL!
What is a TREND?
Where is the ITCZ positioned on a route between Dakar and Rio de Janeiro in January?
0°N - 7°N
3°N - 12°N
3°S - 7°S
What cloud can you see from a distance that would indicate the presence of a TRS
-Dense Ci
-Scattered Cu
When is a cold occlusion most likely to occur?
-Autumn/Winter
-Summer
-Winter
-Winter/Spring
What is the Chinook?
-Warm dry wind in on the lee side of the Rockies
With a surface inversion what is likely to occur (with respect to windshear)?
-Change in direction
-Change in direction and speed
-Change in speed
What is the relationship between met vis and RVR in fog?
-Met vis > RVR
-Met vis < RVR
-No relation between the two
-Met vis = RVR
In which latitude do the majority of depressions travel?
Part of a jetstream going N/S in the northern hemisphere, is?
-The polar air on the east side and below the jet
-The polar air on the east side and above the jet
-N/S temp gradient increasing
-N/S temp gradient decreasing
Given 4 Metar’s for Zurich, which report would indicate that radiation fog could occur? (is most likely to occur)
-1840Z 230/10 bkn 012, ovc 030, 12/10 Q?
-1840Z 180/03 bkn 120 7/5 Q1032
-(these are the relevant parts of two possible metars – the others were obviously wrong)
Given the following tephigrams when is St most likely?
Td - dewpoint
T -temp
The temperature and dewpoint are within 1 degree of each other, what is most likely?
-Fog and low St
-Clear and cold
-Ts
-Good visibility
Minimum safe altitude in area is 12,000ft. QNH at a local airfiled is 1030hPa. Average temp of atmosphere is ISA+10. What will altimeter read at this safe altitude?
-11250
-11520
-12210
-1730
Moist stable air is forced to rise over a mountain what would you get?
-Thunderstorms
-Turbulence
-Inversion
-Stratiform clouds
Where does Tropical Continental air in summer in Europe originate from?
-South of France
-Italy
-Balkans and the Near East
-Azores
Why don’t you get cyclones in the South Atlantic and South East Pacific?
-No Cyclostrophic force
-Cold seas
What are the conditions necessary for the formation of steaming fog (arctic smoke)?
-Cold air onto a warm sea
-Warm air onto a cold sea
When is the surface temp the least?
-Clear skies, calm winds
-Cloudy skies, strong winds
-Clear skies, strong winds
-Cloudy skies, calm winds
Approaching warm front (no direction defined), what do you get