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ATPL 21 AIRCRAFT GENERAL KNOWLEDGE – AIRFRAME AND SYSTEMS |
| 21.04 LANDING GEAR, WHEELS, TYRES & BRAKES |
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1
In computer technology, an input peripheral is a:
Keyboard |
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2
In computer technology, an output peripheral is a:
Screen unit |
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3
In computer technology, an eprom is: 1. a read-only memory 2. a write memory 3. erases its content when power supply is cut off 4. keeps its content when power supply is cut off the combination regrouping all the correct statements is:
1,4 |
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4
In computer technology, a storage peripheral is a:
Hard disk drive |
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5
In the cockpit of a transport airplane, at least one manual fire- extinguisher must be conveniently located containing :
Halon. |
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6
In accordance with jar-ops 1, the minimum requirement for the survival oxygen needed to supply 100 % of the passengers during and following an emergency descend is:
10 minutes or the entire flight time where the cabin pressure altitude is above 15000 ft, whichever is the greater. |
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7
An airplane whose maximum approved passenger seating configuration is 301 to 400 seats must be equipped with at least:
5 hand fire- extinguishers conveniently located in the passenger compartment. |
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8
In accordance with jar-ops 1, during and following an emergency descent, each occupant of the cockpit seats on duty must have access to a minimum amount of oxygen in: 1. order to maintain a supply throughout the entire flight time where the cabin altitude pressure is greater than 13000 ft. 2. order to maintain a supply throughout the entire flight time where the cabin altitude pressure is greater than 10000 ft and smaller than 13000 ft minus 30 minutes. 3. no case less than 30 minutes for airplanes certified to fly up to 25000 ft. 4. no case less than 2 hours for airplanes certified to fly at over 25000 ft. the combination regrouping all the correct statements is:
1, 2, 3 et 4. |
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9
In accordance with jar-ops 1, an airplane must be equipped with equipment or systems at each emergency exit that allow to reach the ground safely in the case of an emergency when the sill height of the passenger emergency exit is higher than:
1,83 m. |
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10
In accordance with jar-ops 1, an airplane whose maximum take-off mass exceeds 5 700 kg or whose maximum approved passenger seating configuration is greater than 9 seats and smaller than 200 seats must be equipped with a:
Crash axe or a crow-bar in the pilot compartment. |
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11
An airplane whose maximum approved passenger seating configuration is greater than 60 seats must be equipped with at least:
3 halon 1211 fire- extinguishers. |
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12
An airplane whose maximum approved passenger seating configuration is greater than 600 seats must be equipped with at least:
8 hand fire- extinguishers conveniently located in the passenger compartment. |
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13
An airplane whose maximum approved passenger seating configuration is 401 to 500 seats must be equipped with at least:
6 hand fire- extinguishers conveniently located in the passenger compartment. |
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14
An airplane whose maximum approved passenger seating configuration is 201 to 300 seats must be equipped with at least:
4 hand fire- extinguishers conveniently located in the passenger compartment. |
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15
An airplane whose maximum approved passenger seating configuration is 61 to 200 seats must be equipped with at least:
3 hand fire- extinguishers conveniently located in the passenger compartment. |
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16
An airplane whose maximum approved passenger seating configuration is 31 to 60 seats must be equipped with at least:
2 hand fire- extinguishers conveniently located in the passenger compartment. |
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17
An airplane whose maximum approved passenger seating configuration is 7 to 30 seats must be equipped with at least:
1 hand fire- extinguisher conveniently located in the passenger compartment. |
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18
An airplane whose maximum approved passenger seating configuration is 501 to 600 seats must be equipped with at least:
7 hand fire- extinguishers conveniently located in the passenger compartment. |
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19
The reason for having a low pressure fuel- cooled oil cooler in a recirculatory type oil system is to:
Cool the oil and heat the fuel. |
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20
A "hung start" is the failure of an engine to accelerate to its normal idle speed. it may be caused by:
An attempt to ignite the fuel before the engine has been accelerated sufficiently by the starter. |
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21
For a turbine engine, the term self-sustaining speed relates to the speed at which the engine :
Will run without any external assistance. |
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22
The most suitable means for extinguishing a magnesium fire on the ground is :
Sand. |
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23
Because of the input/output relationship of an and gate, it is often referred to as the :
All or nothing gate. |
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24
(for this question use annex 021- 6660a) the logic symbol shown represents (assuming positive logic) :
An invert or not gate. |
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25
Because of the input/output relationship of an or gate, it is often referred to as the :
Any or all gate. |
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26
An impulse coupling does not function at such speeds above those encountered in starting. its engaging pawls are prevented from operating at higher speeds by
Centrifugal force |
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27
Generally, when the fire handle of the fire- extinguishing system on an aircraft is pulled, the effects are : 1. closing of the lp valve of the fuel system 2. opening of the air bleed valves and hp valves on the engine concerned 3. setting of extinguishing systems 4. closing of the isolation and de-icing valves 5. isolation of the associated electric current generators 6. immediate discharge of extinguishing agent the combination regrouping all the correct statements is:
1,3,4,5 |
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28
(for this question use annex 021-9377a) when fire is detected on engine n�? 2, the fire shutoff handle n�? 2 is pulled and the extinguishing agent n�? 1 is discharged. this results in :
The discharge of fire extinguisher bottle n�? 1 and illumination of the disch (discharge) indicator lamp |
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29
An engine pressure ratio (epr) gauge reading normally shows the ratio of:
Jet pipe pressure to compressor inlet pressure. |
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30
In a gas turbine engine, the power changes are normally made by controlling the amount of:
Fuel supplied. |
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31
The function of a not logic gate within a circuit is to :
Invert the input signal such that the output is always of the opposite state. |
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32
The most common extinguishing agent used in gas turbine engine fire protection system is:
Freon. |
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33
If inflammable gaseous materials, like propane for example, are set on fire. the following extinguisher types should be used for fire fighting:
Bcf and co2 type extinguishers |
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34
The pressure usually produced by the boost pumps (bp) of the fuel supply system is within the following range:
20 to 50 psi |
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35
In a fuel system, the oil to fuel heat exchanger allows:
Jet engine oil cooling through thermal exchange with fuel flowing from tanks. |
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36
The purpose of the barometric correction in a fuel controller is to: increases.
Maintain the correct weight fuel to air ratio when the altitude |
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37
The engine pressure ratio (epr) is the ratio of:
The total turbine outlet pressure to the total pressure. |
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38
In very cold weather, the pilot notices during startup, a slightly higher than normal oil pressure. this higher pressure :
Is normal, if it decreases after startup. |
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39
The control of free turbine engines on turboprops, is accomplished by: - a propeller control lever used to select: 1 - propeller rpm 2 - turbine temperature 3 - turbine rpm - a fuel control lever used to select: 4 - propeller rpm 5 - torque 6 - turbine temperature the combination which regroups all of the correct statements is :
01/05/2006 |
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40
The main feature of bcf fire extinguishers is that they : subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4 4 france with engine fire alarm is automatic and is automatic after a does not need the is the pilot"s task 0 0 0 -1 delay to allow the pilot to stop the engine 1 france from the cruise, with all remain the same increase or decrease, increase decrease 0 0 -1 0 altitude is reduced, to maintain the same mixture the fuel flow should: 1 france with a piston engine, reduce manifold reduce manifold increase manifold increase manifold -1 0 0 0 pressure and lean the 1 france a piston engine may provided that the grade never provided that it is an provided that the grade 0 0 0 -1 grade than the recommended: 3 france using compressor has no influence on increases aircraft is limited to the phases decreases aircraft 0 0 0 -1 performance systems:
Act as flame inhibitors by absorbing the air"s oxygen. pressure and lean the mixture aeronautical petrol performance |
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41
The fuel temperature, at which, under standard conditions, the vapour ignites in contact with a flame and extinguishs immediately, is the:
Flash point |
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42
The advantage of mounting the tailplane on top of the vertical stabilizer is :
To withdraw it from the influence of wing turbulence |
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43
(for this question use annex 021-4008a) reference should be made to the fuel sypply system shown in annex. in flight, with center tank empty and apu operating, a fuel unbalance is detected (quantity in tank 1 < quantity in tank 2). rebalancing of the two tanks is:
Possible with "crossfeed" open and tank 1 pumps "off" and tank 2 pumps "on". |
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44
Consider a jet engine whose control is based on the engine pressure ratio (epr): 1. with a constant epr, the thrust decreases when the altitude increases 2. with a constant epr, the thrust is independent of the mach number 3. at same environmental conditions, a given epr setting maintains the thrust irrespective of engine wear due to ageing. 4. the epr is determined by the impact pressure difference between the turbine outlet and the compressor inlet 5. on take-off, in the event of icing not detected by the crew, the indicated epr is lower than the real epr the combination regrouping all the correct statements is :
1, 3. |