問題一覧
1
The landing gear lever lock override switch in a jet aircraft undercarriage system is located -
on the gear panel in the cockpit
2
A constant delivery hydraulic system requires?
A pressure regulator
3
The coldest air in an air cycle machine of a jet aircraft air conditioning system is found in the -
Expansion turbine
4
Selecting bleed air ‘on’ in a jet engine with no change in power lever setting will result in -
RPM decrease
5
Reverse thrust during the landing roll on a transport aircraft is most effective at -
high speed high RPM
6
Vents in the fuel tanks of a transport aircraft are used to ?
Defuel the aircraft
7
Cockpit window heating systems on a jet aircraft use laminated glass with a middle layer of ?
Electrically conductive material
8
The purpose of compressor bleed air vented overboard in a jet engine is to assist with operations at?
low RPM
9
The MAP mode of a jet equppped with EFIS shows?
Waypoints
10
An example of a conditional waypoint in the database of a FMS is ?
An altitude
11
A heavy 4 engine Jet aircraft with a TAS of 450kts at FL350 had a turn radius of 11nm at 20° AoB. The turn radius of a light twin at the same AoB , speed and altitude would be?
The same
12
Your aircraft is at an unusually high flight level for the current gross weight and is cruising at normal cruise speed. During a manoeuvre you feel the airframe buffet. This is likely caused by?
either low or high speed buffet
13
In supersonic airflow, static pressure behind an expansion wave will -
Decrease relative to pressure ahead of the wave
14
Regarding a flap limiter in a jet transport aircraft
It senses airspeed and retracts one stage of flap if the speed is excessive without moving the flap lever in the cockpit
15
A flight director vertical mode is?
SPD
16
During TCAS operations, if a RA is inhibited by selecting TA only; RA’s appear -
as a TA
17
The decide which automatically feathers the propeller in the event of an engine failure during takeoff is the ?
TSS
18
When a pilot selects auto brakes 3 for a landing in a jet transport aircraft, the system -
Will provide constant declaration to a complete stop or until disengaged
19
The action (if any) that can override the anti skid system in a jet transport category aircraft is -
Antiskid cannot be overriden by the pilot
20
The function of the pressure relief valve in a jet aircraft pressurisation system is -
To protect the cabin from over pressurisation
21
In order to avoid aeration of the fuel lines in a jet transport aircraft, the fuel system incorporates-
Boost Pumps
22
Jet aircraft are commonly fitted with inboard and outboard ailerons and spoilers for roll control. Regarding ailerons -
The inboard ailerons are always active
23
The yaw damper of a jet transport aircraft receives its yaw information for control from -
The rate gyro
24
The most likely cause of a hot start in a gas turbine engine is -
Tailwind
25
The transition of airflow speed marked by a normal shockwave, and any accompanying change in airflow direction is -
from supersonic to subsonic, with no change in direction
26
For a large jet transport aeroplane, the change in aircraft weight and acceleration “g load” which will cause the manoeuvre ceiling to lower is -
Higher weight and an increase in acceleration
27
Spiral divergence (instability) will occur -
With strong directional and weak lateral stability
28
Approaching MCRIT a nose down trim change is caused by -
A rearward CP shift and reduced tail plane download
29
A jet transport aircraft demonstrates positive oscillatory stability at 1000ft but instability at 9000ft. The change in aerodynamic damping and associated speed change which causes this is -
reduced aerodynamic damping due to increased TAS
30
The purpose of internal flexible seal attached to the leading edge of a control surface is to -
aerodynamically balance the control by reducing hinge movements
31
The most common type of high pressure fuel pumps used in gas turbine engine fuel systems are -
swash plate
32
The most common type of ice protection used on modern turboprop propeller blades is -
thermal electric
33
The function of the water separator in the cabin air conditioning system of a jet transport aircraft is -
to remove excess moisture in the conditioned air prior to entry into the cabin
34
Problems relating to undissolved water in the fuel system of a gas turbine engine include -
Icing , corrosion and microbial growth
35
A jet fuel with a specific gravity of 0.80 at a given temperature will -
have a weight of 80kg for 100L and weigh less per unit volume at higher temperatures
36
To control cabin pressurisation in a standby mode, the pressure controller of an air conditioning and pressurisation system requires inputs of -
Desired cabin altitude and cabin rate of change
37
The function of a static inverter in a constant frequency AC power generating system in a large jet aircraft is -
to provide 115VAC 400hz power in the event of a total generator failure
38
Total air temperature is used for thrust management on modern jet aircraft and is displayed on EICAS . TAT is comprised of the static outside air temperature plus an additional factor caused mainly by -
adiabatic compression
39
when LNAV is used to program a route within Australia between two waypoints in the database, the track the aircraft Will follow is -
A great circle
40
An incorrect function of a line select key on the CDU of a flight management system is -
if the line adjacent to the key is blank, that line is assigned a function depending on the CDU page in use
41
The purpose of a hydraulic accumulator is -
To dampen out pressure fluctuations
42
The purpose of a hydraulic priority valve is
To shed non essential services due to a loss of system pressure
43
The purpose of a spring loaded relief valve in an in-line fuel filter is -
to provide fuel supply in the event of the filter becoming blocked
44
The type of fuel boost pumps in a gas turbine engine fuel system are usually
Impeller
45
A purpose of variable inlet guide vanes in a gas turbine engine is-
to reduce the angle of attack on the front compressor blades at low engine RPM
46
a purpose of bleed valves in a gas turbine engine is -
to increase the mass flow in the compressor for a given mass flow in the combustion chamber and turbine
47
A compressor stall is described as -
an instability of air flow through the compressor
48
An advantage of centrifugal compressors over actual compressors is -
simplicity
49
two 12V 36A/H batteries are connected together in parallel, the result will be an output of -
12V 72A/H
50
A generator in an electrical system is connected to a synchronising bus via the -
bus tie breaker