Multi Electrical Systems (Engines, Exhaust, Indication & Oil)
Multi Electrical Systems Quiz
Test your knowledge of aircraft electrical systems with our comprehensive quiz on engines, exhaust, indication, and oil systems. This quiz consists of 23 carefully crafted questions designed for aviation enthusiasts and professionals alike.
Whether you're preparing for a certification exam, brushing up on your knowledge, or simply looking to challenge yourself, this quiz is an excellent resource!
- 23 engaging questions
- Covers key topics in aircraft systems
- Ideal for both students and professionals
What is the purpose of a jet engine intake
An engine intake will deliver air inside the cockpit supplying fresh air to the pilot(s)
An engine intake will deliver undisturbed air to the compressors with the minimum loss of energy
An engine intake will supply cold air for the in-flight freezer
An engine intake will supply warm air to the seat heaters for the high ranking officers
Name the 3 parts of an aircraft gas turbine exhaust
Exhaust unit
Jet pipe
Exhaust pipe
Engine intake
Air inlet
Variable propelling nozzle
What limits the maximum combustion temperature in a gas turbine engine
The RPM of the turbines
The temperature of the air intake
Thermal limitations of the materials
The thermal limitations of the compressor
What safety precautions should be followed when disconnecting HEIU’s
What are the 2 main components in an afterburner control unit
Centrifugal pump
Fuel metering unit
Fuel tube
Numerical unit
Metering gauge
Centrifugal pipe
What is the purpose of a variable propelling nozzle in a reheat system
Maintain internal pressure ratios
Maintain external pressure ratios
Maintain internal pressure frequencies
Maintain external pressure frequencies
Pressure measuring devices can be divided into two categories
Direct reading instruments
Remote reading instruments
Indirect reading instruments
Digital reading instruments
Analogue reading instruments
Binary reading instruments
What are the 3 types of sensors in a direct reading instrument
Bourdon tube
Bellows
Capsules
Diode
LED (photosensitive)
Croc-clips
What is the purpose of a restrictor in a direct reading instrument
Prevent surge damage and leakage
Stop high frequencies
Prevent E.M.F. interference
Stop current from interfering
A remote reading instrument has lost power, what would be observed on the indicator
Below zero
Resets at 1 of the last used unit(e.g. 1g)
Last known digits freeze in place
The stick starts spinning
What are the two main methods of speed measurement on turbine engines
Tacho - generator
Pulse probe system
Taco-indicator
Taco-meter
Indicator
Inductor
The tachometer system has what two main components
Taco-generator
Indicator
Taco-indicator
Taco-induction
Taco-transformer
Transformer
Inductor
What is two advantages of a pulse probe over a tachometer measuring system
No moving parts
Multiple outputs
Digital
Runs in 16 digit binary code
64 bit
Lighter
Cheaper
Less complex
What are the 2 main components in the pulse probe speed measurement system
Variable reluctance probe
Phonic wheel
Variable wheel
Phonic probe
Variable reluctance wheel
Centrifugal reluctance wheel
What are the two main methods for aircraft temperature measurement
Resistive
Expansive
Bi-metallic
Pressure
Centrifugal
Bi-nominal
What is the purpose of a fuel metering unit
An FMU will deliver the optimum amount of fuel to the combustion chamber
An FMU will deliver the optimum amount of fuel to the compressor chamber
An FMU will deliver the optimum amount of fuel to the fuel tanks
An FMU will deliver the optimum amount of fuel to the engine motor
Name the two methods of engine temperature measurement
Thermo-electric
Radiation pyrometer
Air-thermostat
Thermo-pyrometer
Bi-metallic resistance tube
What principle does the thermo-electric temperature measurement system work on
The Seebeck effect
The oliver effect
The stanley parable
The bridge effect
Newtons 3rd law
The gates parable
Which measurement device will freeze at the last known reading on loss of power
Radiation pyrometer
Thermo-pyrometer
Digital display
Analogue display
Fuel measuring device
Fuel measuring probe
What is the purpose of an oil heat exchanger
It cools oil using ambient air in a matrix
It exchanges oil using a bi-metric pipe
It transfers heat from the oil to the neo-matrix
It exchanges heat between two vats using surface area effect
What is the purpose of the oil filter bypass system
To allow contaminated oil into the system to prevent starvation
To block contaminated oil into the engine
To allow dirty contaminated oil into to system
To block contaminated oil from entering the cabin
Which component limits starting torque to the starter motor
The resistor stack
Bi-metallic engine nosel
The resistor mount
Fuse
CB
What is the purpose of the 2nd stage relay in an electric starting circuit
To bypass the resistor stack and allow increased torque to the starter motor
To bypass the resistor stack and allow decreased torque to the starter motor
To go through the resistor stack and allow decreased torque to the starter motor
To go through the resistor stack and allow increased torque to the starter motor
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