Piston 2 - Week 2A
What operational modifier does a GTSIO520AB engine have?
Modified for aerobatics
Fuel injection
Horizontally opposed
Inline
Which way does the prop on an IO-360L rotate?
Right hand rotation
Left hand rotation
Backwards
Fuel injected
What does the T in IO-435T mean?
Supercharged, fuel injected, horizontally opposed engine
Turbocharged, fuel injected, radial engine
Turbocharged, fuel injected, horizontally opposed engine
Don't know, need to look it up in the manufacturer's manuals
What cylinder arrangement does a TI300A engine have?
Horizontally opposed
Turbocharged
V-type
Inline
The engine identification code example: IO320-G1T has a _________ installed:
Propeller Reduction Gearing System
Turbo Charger
Carburetor
Fuel Injection System
What operational modifier does a GTSIO520NB engine have?
Inline
Supercharged using a exhaust driven compressor
Horizontally opposed
Supercharged using a mechanically driven blower
Which way does the prop on an LIO-360 rotate?
Backwards
Horizontally
Left hand
Right hand
What is the displacement of the IO360NB engine have?
360 CID
10360 CID
60 CID
360 HP
What is the displacement of the GTSIO520NB?
10520 CID
520 CID
520 HP
520 L
What cylinder arrangement does the R985 have?
V-type
Radial
Inline
Horizontally opposed
What cylinder arrangement does a GTSIO520NB engine have?
Radial
Horizontally opposed
Turbocharged
Fuel injected
What operational modifier does a GIO400A engine have?
Inline
Geared nose section
Horizontally opposed
Modified for aerobatics
What cylinder arrangement does a W670 engine have?
Inline
Turbocharged
Radial
Horizontally opposed
There are five events in the Otto Cycle….which event occurs immediately after the Intake event?
Exhaust
Compression
Power
Ignition
Which of the following is one of the 5 events in the Otto Cycle #1
Output shaft
Magneto coil
Intake Stroke
Exhaust Valve
Choose the answer that best describes the Otto Cycle:
A four stroke, five event cycle with the events in correct order: 1:Intake/2:Compression/3:Ignition/4:Power & 5:Exhaust
A three stroke, 3 event cycle with the events in correct order: 1:Intake/2:Compression/3:PowerPower/4:Ignition & 5:Exhaust
A four stroke, five event cycle with the events in correct order: 1:Intake/2:Compression/3:Power/4:Ignition & 5:Exhaust
A two stroke, three event cycle with the events in correct order: 1:Intake/2:Power & 3:Exhaust
Which of the following is one of the 5 events in the Otto Cycle #5
WOW switch
Power delivery
Exhaust puff
Exhaust stroke
Name the 5 events in the Otto cycle - IN ORDER
Compression stroke, ignition, power stroke, exhaust stroke, intake stroke
Intake stroke, exhaust stroke, compression stroke, ignition, power stroke
Exhaust stroke, compression stroke, ignition, power stroke, intake stroke
Compression stroke, ignition, exhaust stroke, power stroke, intake stroke
Which of the following is one of the 5 events in the Otto Cycle #3
Supercharging
Connecting rod
Ignition
Top dead center
Which of the following is one of the 5 events in the Otto Cycle #2
Piston
Turbocharger
Compression stroke
Power input
There are five events in the Otto Cycle….which event occurs immediately after the Power event?
Exhaust
Ignition
Intake
Compression
Why is the 4 Stroke Theory also called the Otto Cycle?
It is named after the first machine this type of engine was installed in, which was the “Ottomobile”
OTTO” is an acronym for Open Top Transit Oxygenation, which describes what happens throughout the four strokes
It is named after the inventor of the cycle, Dr. Nicholas Otto
OTTO” is an acronym for Oscillating Transfer Top Oxidization; which describes the process of energy conversion of the fuel
Which of the following is one of the 5 events in the Otto Cycle #4
Power stroke
Supercharger
Camshaft
Intake valve
What is the purpose of the engine cowl?
To guide air around the engine for best oil cooling
To guide air around the engine for best engine cooling
To guide water around the engine for best engine cooling
To guide air around the tail of the aircraft for best cooling
If an air-cooled aircraft engine uses only a single CHT probe in the CHT system, in which cylinder would the probe typically be installed?
The hottest cylinder
The coolest cylinder
Number one cylinder
Doesn’t matter-whichever is the easiest cylinder to access
What does a high performance piston aircraft use to control engine temperature?
Fuel injection
Thermostat
Wing flaps
Cowl flaps
What are engine baffles & baffle seals used for? #2
To direct cooling liquids through the cooling fins on the cylinder assemblies
To direct cooling air through the cooling fins on the cylinder assemblies
To direct cooling water through the cooling fins on the cylinder assemblies
To direct cooling air through the cooling fins on the crankcase
What do most horizontally opposed aircraft use for oil cooling?
Air passing by cooling fins on the cylinder assemblies
Water passing around the cylinder assemblies
Air passing around the crankcase assemblies
Air passing by cooling fins on the radiator assemblies
Which instrument/indication is typically considered the main limiting factor for ground operation of an air-cooled, reciprocating internal combustion engine?
Ammeter
Voltmeter
Cylinder Head Temperature (CHT)
Exhaust Gas Temperature (EGT)
What are engine baffles & baffle seals used for? #1
To trap air above the engine, raise it's pressure and direct it up through the engine's cooling system
To trap air below the engine, raise it's pressure and direct it down through the engine's cooling system
To trap air above the engine, raise it's pressure and direct it down through the engine's cooling system
To trap air below the engine, raise it's pressure and direct it up through the engine's cooling system
What is the purpose of the cowl flaps?
To control the amount of air leaving the cowls
To slow the speed of the aircraft
To control the amount of air entering the cowls
To reduce the stall speed of the aircraft
Typical air cooled aircraft engines use what kind of cooling system?
Vapor phase cooling
Vacuum cooling
Pressure cooling
Liquid cooling
When preparing to complete a ground run of an air-cooled piston aircraft engine, it is important to ensure that:
The cowl flap(s) are in the fully open position
Cowl side panels are open
The cowl flap(s) are in the fully closed position
Cowl flap position is not important for ground runs – it is only for flight
Typical light aircraft engines use what kind of cooling system?
Liquid diffusion cooling
Air cooling
Liquid cooling
Vapor state cooling
What will happen if a baffle seal "flips over"?
Cooling air will be trapped "below the engine" and engine temperatures will decrease
Cooling air will be trapped "above the engine" and engine temperatures will decrease
Cooling air will be lost "around the engine" and engine temperatures will increase
Cooling air will be lost "around the engine" and engine temperatures will decrease
What do most horizontally opposed aircraft use for engine cooling?
Fuel passing around the cylinder assemblies
Air passing by cooling fins on the radiator assemblies
Air passing by cooling fins on the cylinder assemblies
Water passing around the cylinder assemblies
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