Induction & Exhaust
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| Engine cooling is aided by the use of what component? | Augmenter
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| What components operate at the highest temperatures in a gas turbine engine? | First stage turbine nozzle guide vanes
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| Drawing additional air over the engine for cooling while creating a low pressure area at the rear of the engine cowling is accomplished by what component? | Augmenter
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| An intercooler is used on turbocharger systems to cool what? | Air entering the carburetor from the turbocharger
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| Most of the air passing through the combustion section of a jet engine is used for what? | Cooling
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| Why is intake air commonly preheated? | To prevent carburetor icing
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| Deicing alcohol is normally injected into the induction system at what point? | The airstream ahead of the carburetor
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| Would a fuel injected system require a carburetor air heater? | No, it does not have a carburetor
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| If ice were to form in the carburetor, would manifold pressure increase or decrease when heat is applied? | Increase
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| The density of the air in the cylinders increase with an increase in what? | Manifold pressure
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| Improper adjustment of carburetor heat valve control linkage could be a factor in what? | Failure to develop full power at takeoff
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| What would cause all the exhaust gases to be directed through the turbine in a turbocharger system? | Turbocharger waste gate is completely closed
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| What controls the rate at which the turbocharger discharge pressure will increase? | rate-of-change controller
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| The speed of the turbocharger is directly regulated by what? | Waste gate
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| Limiting the amount of air that can flow from the turbocharger into the cabin for pressurization is the purpose of what? | A sonic venturi on a turbocharged engine
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| What is used to drive a supercharger? | Gear train from the crankshaft
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| The purpose of a bellmouth compressor inlet is to | maximize the aerodynamic efficiency of the inlet
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| Some turbine powered aircraft are equipped with vortex dissipaters to prevent FOD using | engine bleed air blown toward the ground ahead of the engine
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| How are vortex dissipator systems generally activated? | Landing gear switch
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| What is the primary purpose of an engine anti-ice system? | To prevent ice formation in the engine and/or inlet areas
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| If equipped with a carburetor air heater, the heater should be placed in what position when starting the engine? | Cold
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| What will happen to the volume of air in the cylinder with the application of carburetor heat during operation? | Decrease
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| Adding carb heat will have what effect on the mixture? | Richer
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| If the main air duct filter becomes blocked, what will the system automatically do? | Allow warm, unfiltered air to be drawn into the enginee
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| Circulating the fuel and air mixture through passages in the oil sump will increase what? | Fuel vaporization on small aircraft engines
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| What is not generally used on takeoff unless necessary due to loss of power and possible detonation? | Carburetor air pre-heater
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| Why is high nickel chromium steel is used in many exhaust systems? | Corrosion resistance and low expansion coefficient
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| What is one source commonly used for carburetor air heat? | Exhaust gases
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| What is the purpose of a slip joint in an exhaust collector ring? | It aids in alignment and absorbs expansion
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| Where would brass or heat-resistant nuts are used in the exhaust system? | Connect the exhaust system to the cylinders
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| Thrust reversers are capable of producing how much reverse thrust? | 35 - 50% of the rated thrust
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| What should be removed in order to inspect the exhaust system when a heat exchanger is used? | The heater air shroud
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| When inspecting the welding on exhaust stacks, how should they appear? | The weld should taper off smoothly into the base metal
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| Exhaust gases drive turbines in a turbo-compound engine by driving the crankshaft through suitable couplings. This contributes to what? | total engine power output
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| What engine component drives the power recovery turbines used on some reciprocating engines? | Crankshaft
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| If the repair to an exhaust system has sloppy weld beads that protrude internally may cause what? | Local hot spots
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| How tightly should exhaust system ball joints be installed? | Loose enough to permit some movement
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| What would happen if the internal muffler baffles become dislodged? | The muffler outlet would be obstructed and cause excessive exhaust back pressure
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| Carbon monoxide poisoning can occur as a result of what? | Undetected exhaust system leaks
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| Exhaust soot inside cowling and on adjacent components us evidence of what? | Exhaust system leaks
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| Turbocharged engine exhaust systems operate at higher what as compared to normally aspirated engines? | Temperatures and pressures
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| Exhaust system failures are caused by what? | High operation temperatures
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| The engine bleed air system is used to operate what actuating system? | Thrust reversers
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| High bypass turbofan engines use what kind(s) of reversing? | Cold stream, or both cold and hot stream
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| If thrust reversers are deployed, how will normal capabilities of thrust be effected? | Rearward (normal flow) would be less than forward (reverse flow)
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| What are thrust reversers capable of doing when the plane is on the ground? | Reversing the plane's movement and slowing it's forward speed
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| What is the proper operating sequence when using thrust reversers to slow an aircraft after landing? | Retard, raise, retard to ground level
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| What prevents dislodged muffler baffles from obstructing the muffler outlet? | Exhaust outlet guard
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| What system compresses air to maintain manifold pressure throughout varying altitudes? | Turbocharger system
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| Any manifold pressure above 30" Hg is considered what? | Boost manifold pressure
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