ATPL SYSTEMS EXAM QUESTIONS
WITH CORRECT ANSWERS
Function of rear turbine support strut? - Correct Answers -To straighten airflow in the jet
pipe.
Where are nozzle guide vanes located? - Correct Answers -In the turbine inlet.
The hot gas in the jet aircraft APU for bleed air is taken from? - Correct Answers -The
compressor outlet.
A constant supply of fluid from the reservoir in a hydraulic system is ensured by? -
Correct Answers -Pressurising the reservoir with bleed air.
As altitude increases, spiral stability will? - Correct Answers -Increase
Least significant tyre variable relating to hydroplaning? - Correct Answers -Tyre size
An advantage of NiCad batteries over lead acid is? - Correct Answers -Faster recharge
rates.
When a generator field relay (generator field switch) is tripped- - Correct Answers -The
voltage regulator is disconnected from the excitation field.
In a constant frequency generator electrical system, the voltage regulators function is ?
- Correct Answers -To control the current of the main exciter.
The main function of the reduction drive in a turbo prop? - Correct Answers -Convert
high RPM ato low RPM required by the propeller.
Regarding the operation of a hot battery bus? - Correct Answers -A hot battery bus is
powered whenever a charged battery is installed in the aircraft.
An advantage of alternating current is high voltage transmission- this permits? - Correct
Answers -Low current levels.
The propeller brake in a turbo prop functions to? - Correct Answers -Prevent propeller
windmilling when feathered.
The function of the servo tab? - Correct Answers -Reduce control loads.
, A difference between kerosene and wide cup type fuels? - Correct Answers -Kerosene
has a higher specific gravity than wide cut fuel.
An input to the autothrottle system is- - Correct Answers -Indicated airspeed (IAS)
When flying on a long range cruise, as gross weight reduces, the LRC Mach number
will? - Correct Answers -Reduce at a reduced power setting.
Vents in the fuel tanks are used to? - Correct Answers -Decrease pressure between
tanks.
The purpose of a compressor bleed air vented overboard in a jet is to assist at? -
Correct Answers -Low RPM.
In supersonic flow, static pressure behind an expansion wave will- - Correct Answers -
Decrease relative to the pressure ahead of the wave.
The device which automatically feathers the propeller in the event of an engine failure
on takeoff s? - Correct Answers -TSS
The use of increased sweepback has what effect on MCDR? - Correct Answers -MCDR
increases.
On an ASI/Mach meter, the mach readout is covered by a red flag indicating loss of
altitude sensing.
The machine display is unreliable and? - Correct Answers -VMO is unreliable too.
In normal ops of an electrical system with a bus tie, generators are opeated- - Correct
Answers -In parallel.
When auto brakes 3 is selected for landing, the system will- - Correct Answers -Provide
constant braking pressure to a complete stop or until disengaged.
The purpose of an internal flexible seal attached to the leading edge is- - Correct
Answers -Aerodynamically balance the control forces by reducing hinge movements.
As aircraft climbs, how does aerodynamic damping change with speed? - Correct
Answers -Reduced aerodynamic damping due to increased TAS.
The most common type of high pressure pump used in gas TURBINE engines are? -
Correct Answers -Swash plate.
Problems related to water in fuel systems include- - Correct Answers -Icing, corrosion
and microbial growth.
WITH CORRECT ANSWERS
Function of rear turbine support strut? - Correct Answers -To straighten airflow in the jet
pipe.
Where are nozzle guide vanes located? - Correct Answers -In the turbine inlet.
The hot gas in the jet aircraft APU for bleed air is taken from? - Correct Answers -The
compressor outlet.
A constant supply of fluid from the reservoir in a hydraulic system is ensured by? -
Correct Answers -Pressurising the reservoir with bleed air.
As altitude increases, spiral stability will? - Correct Answers -Increase
Least significant tyre variable relating to hydroplaning? - Correct Answers -Tyre size
An advantage of NiCad batteries over lead acid is? - Correct Answers -Faster recharge
rates.
When a generator field relay (generator field switch) is tripped- - Correct Answers -The
voltage regulator is disconnected from the excitation field.
In a constant frequency generator electrical system, the voltage regulators function is ?
- Correct Answers -To control the current of the main exciter.
The main function of the reduction drive in a turbo prop? - Correct Answers -Convert
high RPM ato low RPM required by the propeller.
Regarding the operation of a hot battery bus? - Correct Answers -A hot battery bus is
powered whenever a charged battery is installed in the aircraft.
An advantage of alternating current is high voltage transmission- this permits? - Correct
Answers -Low current levels.
The propeller brake in a turbo prop functions to? - Correct Answers -Prevent propeller
windmilling when feathered.
The function of the servo tab? - Correct Answers -Reduce control loads.
, A difference between kerosene and wide cup type fuels? - Correct Answers -Kerosene
has a higher specific gravity than wide cut fuel.
An input to the autothrottle system is- - Correct Answers -Indicated airspeed (IAS)
When flying on a long range cruise, as gross weight reduces, the LRC Mach number
will? - Correct Answers -Reduce at a reduced power setting.
Vents in the fuel tanks are used to? - Correct Answers -Decrease pressure between
tanks.
The purpose of a compressor bleed air vented overboard in a jet is to assist at? -
Correct Answers -Low RPM.
In supersonic flow, static pressure behind an expansion wave will- - Correct Answers -
Decrease relative to the pressure ahead of the wave.
The device which automatically feathers the propeller in the event of an engine failure
on takeoff s? - Correct Answers -TSS
The use of increased sweepback has what effect on MCDR? - Correct Answers -MCDR
increases.
On an ASI/Mach meter, the mach readout is covered by a red flag indicating loss of
altitude sensing.
The machine display is unreliable and? - Correct Answers -VMO is unreliable too.
In normal ops of an electrical system with a bus tie, generators are opeated- - Correct
Answers -In parallel.
When auto brakes 3 is selected for landing, the system will- - Correct Answers -Provide
constant braking pressure to a complete stop or until disengaged.
The purpose of an internal flexible seal attached to the leading edge is- - Correct
Answers -Aerodynamically balance the control forces by reducing hinge movements.
As aircraft climbs, how does aerodynamic damping change with speed? - Correct
Answers -Reduced aerodynamic damping due to increased TAS.
The most common type of high pressure pump used in gas TURBINE engines are? -
Correct Answers -Swash plate.
Problems related to water in fuel systems include- - Correct Answers -Icing, corrosion
and microbial growth.
