The JAA
CPL Systems, Powerplant, and Electronics
test bank contains questions pertaining to
021-03-01 Piston Engine part 1
. The following list contains only a relatively small percentage of the pertinent
questions. Our software, which you are free to download now at no cost, will
generally contain a much more complete set of questions associated with this
test bank. This list is intended only to familiarize you in a general way with
the questions of the
Systems, Powerplant, and Electronics
test bank.
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That said, while the following questions are intended
as a general familiarization tool, this list may not be up-to-date nor accurate.
We do not update this website as often as we update our software, which will
contain at any moment all questions that we have for a given test / topic. Therefore,
if you need to actually study for your test, instead of using the list below,
we strongly, strongly encourage you to download our GroundSchool
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| Sample Questions
from the JAA CPL
Systems, Powerplant, and Electronics
Test Bank |
- The correct formula to calculate the multi-cylinder engine displacement is:
- The torque of an aeroplane engine can be measured at the:
- The positions of the intake and exhaust valve at the end of the power stroke are:
- The part of a piston engine that transforms reciprocating movement into rotary motion is termed the:
- For internal cooling, reciprocating engines are especially dependent on:
- Prolonged running at low rpm may have an adverse effect on the efficiency of the:
- If the ground wire between the magneto and the ignition switch becomes disconnected, the most noticeable result will be that the engine
- The purpose of a distributor in an ignition system is to distribute:
- Ignition systems of piston engines used for small general aviation aeroplanes are
- With respect to a piston engined aircraft, ice in the carburettor:
- Vapor lock is:
- "Vapour lock" is the phenomenon by which:
- During climb with constatnt Manifold Air Pressure (MAP) and RPM indication and constant mixture setting, the power output of a piston engine :
- What can be the consequence during a descent with a fully open throttle if the waste gate is seized? The
- In a piston engine, turbocharger boost pressure may be monitored by:
- The octane rating of a fuel and compression rating of a piston engine have which of the following relations?
- The richness of a fuel/air mixture ratio is the:
- Specific fuel consumption is defined as the:
- A rich mixture setting has to be used during climb segments. This results in a
- For a piston engine, the ideal fuel/air mixture corresponding to a richness of 1 is obtained for a weight ratio of:
- In general, in twin-engine aeroplanes with "constant speed propeller"
- The pitch angle of a propeller is the angle between the:
- In twin-engine aeroplanes with right turning propellers
- A pilot normally uses the propeller autofeather system during:
- To unfeather a propeller during flight you have to:
- A propeller blade is twisted, so as to
- During a power change on an engine equipped with a constant speed propeller, a wrong combination of manifold pressure and RPM values results in excessive pressure in the cylinders. This is the case when one simultaneously selects a
- An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to:
- To adjust the mixture ratio of a piston engine when altitude increases, means to:
- With a piston engine, when detonation is recognised, you:
- After TDC and on the induction stroke:
- Compression ratio is the ratio between the:
- Absolute Pressure is:
- In order to turn a magneto off, the primary circuit must be:
- The action of the density controller when sensing a rise in the supercharger delivery air temperature is to:
- The ratio of movement of the crankshaft to the camshaft is:
- A turbo-supercharger impeller is driven by:
- The turbocharger rpm is directly controlled by the:
- The volume of a piston engine cylinder from TDC to BDC is known as:
- The five events of a four-stroke cycle engine in the order of their occurrence are:
- When the mixture passes through the diffuser shroud the energy conversion is from:
- Full throttle height is:
- The strokes of a four stroke piston engine in operating order are:
- The global output of a piston engine is of: (global output = Thermal energy corresponding to the available shaft/power over the total thermal energy produced).
- A six cylinder engine fires in which order?
- An impulse magneto coupling:
- The power output of an internal combustion engine:
- Why is a propeller blade twisted?
- When starting an engine or when the engine runs at an idle rpm on ground, the mixture is:
- Blue smoke in the exhaust without a drop in rpm indicates:
- When the pilot operates the mixture control, what is being accomplished?
- A turbocharger is:
- An engine could be damaged if the throttle lever is " pumped" during starting because:
- A naturally aspirated engine climbing from sea level to 20,000 feet altitude at constant rpm will lose approximately:
- Valve springs:
- A two-stage supercharger has:
- With regard to carburettor ice, float-type carburettor systems in comparison to fuel injection systems are generally considered to be:
- The purpose of an accelerator pump is to:
- An excessively rich mixture can be detected by :
- In general, in twin-engine aeroplanes with 'constant speed propeller'
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Systems, Powerplant, and Electronics
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