View Full Version : Agk/met Feedback
steven b
24th Jul 2002, 19:03
HELP!
I WOULD BE VERY GREATFULL IF ANYBODY OUT THERE HAS ANY FEEDBACK QUESTIONS ON THE ABOVE SUBJECTS.
I AM STUDYING JAA CPL AND NEED AS MUCH INFO AS I CAN
TOGET THROUGHT THESE SUBJECTS. I AM WILLING TO PAY FOR ANY PAPERS OFFERED AS LONG AS THEY ARE UP TO DATE.
THANKS GUYS
Professor Fog
24th Jul 2002, 20:32
Meteorology
Which would present a hazard on a cross-country flight
- Alto cirrus
- Nimbostratus
- Cumulonimbus
- ?
What is a trend forecast ?
What would be an indication of possible instability ?
- Ac lenticular
- Red cirrus
- Ac castellanus
- Towering cumulus
Which is an example of a foehn wind ?
- Bora
- Har
- Mistral
- Chinook
An airfield is on the coast, in an area of high pressure (slack gradient) in the northern hemisphere. On a sunny afternoon what would you expect the low level wind to be ?
- sea to land
- land to sea
- ?
- parallel to the coast with the land to the right
Td –1.5
T –0.5
How would you see them in a METAR ?
- 00/M01
- M00/M01
- M01/M02
- M01/M01
Wind is measured on an anemometer , where is this located ?
- 2m away from the Met station
- 1m above the runway
- on the roof of the Met Station
- 8 to 10 m above the surface on a pole
You want the wind for FL170 which chart would be the closest ?
- 800 hPa
- 500 hPa
- 700 hPa
- 300 hPa
You have QNH (993) set at an airfield. You reset the altimeter to 1013 and it reads 1200’ what is the airfield elevation ?
- 1200’
- 1740’
- 2640’
- 660’
On a surface pressure chart what is the pressure ?
- QNE
- QFE
- QFF
- QNH
Aircraft General Knowledge
What would you use on a magnesium fire ?
A- Foam
B- BCF
C- Sand
D- Water
The carb heat is selected on, this results in ? (worth 2 marks !?)
A- a reduction in RPM as a result of leaner mixture
B- no change in mixture
C- mixture is now leaner
D- mixture is now richer
How many poles does a generator have that produces 400 Hz at 6000 rpm ?
A- 4
B- 12
C- 25
D- 40
If a 12 volt secondary cell battery has 6 cells and one cell is dead -
A- you cannot use it
B- 1/12 of a reduction in voltage but can still be used
C- 1/12 of a reduction in voltage, capacity also reduced but can still be used
D- 1/12 of a reduction in capacity, voltage also reduced but can still be used
What is a shuttle valve ?
*Under JAR-OPS 1 , In the event of ditching an aircraft must carry sufficient liferafts to transport the occupants
E- plus 10 %
F- plus 30 %
G- in the event 2 rafts are lost
H- in the event the largest capacity raft is lost
What brakes are used on modern transport aircraft ?
A- single disc brakes
B- drum brakes
C- ?
D- multi disc brakes
A fail safe component is ?
DURALUMIN is
1- an aluminium/ copper alloy
2- an aluminium/ manganese alloy
3- easy to weld
4- difficult to weld
5- poor corrosion resistance
6- good electrical conductor
A-
B- can’t remember any of the combinations
C-
D-
An aircraft cannot fly over remote areas which would hamper rescue efforts, unless carrying survival aids, which is more than ?
A- 30 min cruise from an airfield
B- 60 min cruise from an airfield
C- 90 min cruise from an airfield
D- 120 min cruise from an airfield
A door is opened externally, the slide raft will
A- deploy but not inflated
B- automatically deploys
C- ?
D- automatically disarmed
A computer peripheral is
A- diskette drive
B- keyboard
C- screen
D- hard drive
What frequency does MLS use
A- Decimetric
B- hectometric
C- myometric
D- ?
What is the wavelength of freq 121.95 MHz ? (worth 2 marks!?!)
A- 246 m
B- 2.46 cm
C- 2.46 m
D- 24.6 m
What hydraulic device acts like an electric diode ?
A- non return check/valve
B- full flow ….. valve
C- one way restrictor valve
D- hydraulic fuse
A question about how much first aid oxygen is required for 42 passengers on a flight . Answers included either enough for 1 or 2 pax and something about being at either 8,000 or 10,000’. Can’t quite remember !?!?
When is an exit unusable, when the following are unserviceable ?
1- internal door opening
2- external door opening
3- the door opening aid
4- the stay open door latch
5- ? handle
6- door exit light
Can’t remember the combinations given
An EPROM
1- is a read only memory
2- is a write to memory
3- losses all information stored in it, on power off
4- retains all information stored in it, on power off
A- 1 & 3
B- 1 & 4
C- 2 & 3
D- 2 & 4
(slightly dodgy - erasable / programmable ROM cartridges, like the old BBC ‘B’ ones, could be written to several times, but only with special equipment. Other system EPROM could only be written to once then act like a normal ROM cartridge, like CD burners)
A continuous fire wire with an increase in temperature
1- an increase in resistance
2- a decrease in resistance
3- an increase in (current/ voltage – can’t remember which one it was)
4- a decrease in (current/ voltage – can’t remember which one it was)
A- 1 & 3
B- 1 & 4
C- 2 & 3
D- 2 & 4
An aircraft will be cruising at FL 280, when must the briefing for the use of oxygen systems take place ?
A- FL 280
B- FL 140
C- FL 100
D- Before take off
Professor Fog
24th Jul 2002, 20:38
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