Duplicate of AIM BLK 14

Failures in the heat exchanger surface are caused by ______ and _________ in areas of stress concentration

Turbo fan engines fall into 2 classifications

The function of the spark plug in an ignition system is to conduct a short impulse of —— voltage current…

It is recommended that exhaustr stacks, mufflers, etc be replaced rather than repaired

Turbochargers draw power from...

voltage is adjusted or changed by adjusting the speed of

——— takes air from either side of the fuselage

They compensate for the power lost due to the pressure drop resulting from increased Altitude

The ability of an aircraft’s main engine to direct thrust other than parallel to longitudinal axis

Help straighten the airflow and direct it into the first stages of the compressor

The Waste gate valve controls the ________ of the exhaust gas and regulates the speed of the rotor

The action of a carburetor airscoop is to supply air and may also increase the pressure of incoming air by...

The —— is at the heart of the system

Most aircraft’s have __ spark plugs per cylinder

The reverse thrust is more than the forward thrust

________ are designed to produce a venturi effect to draw increased airflow over the engine for engine cooling

The high voltage current that normally arcs across the air gaps of the distributer can flash over a wet insulating surfa

What prevents cylinder gas pressure from escaping around the plug

the booster coil, starting vibrator, and FADEC use _________ to support engine start

Adjusting the area of the exhaust nozzle changes both the engine performance and gas temp

An undesirable cycle of turbocharging events causing the manifold pressure to drift to reach equilibrium

the primary electrical circuit consists of a set of breaker contact points, a condenser, and an insulated coil

What is separate from the magneto and can generate a series of sparks on its own

____________ can cause partial or complete engine power loss by restricting the flow of the exhaust gases, etc

Most of the exhaust system failures are the result of

When a turbo or a Supercharger is included, what increases?

2 types of exhaust nozzles

When a quantity of air passes through a converging duct, air velocity increases and air pressure & temp

The function of the ——— is to change dc to pulsating dc and deliver it to the primary coil of the magneto

normally auxiliary ignition untis are energized by the battery and connected to the

opening the breaker points keeps the flow of current in the primary circuit

——- have a long insulator nose that creates a long heat transfer path —— cold have a short insulator

2 types of thrust reversers

Air accelerated by outer part of the fan blades forms a secondary air stream ducted overboard not in the engine

Which circuit discharges to the spark plug

Distributes only the output of the booster coil

____________ has a slip joint and absorbs expansion

Compensates for the losses caused by increases of speed

Controller that operates during positions of the waste gate valve other than fully open..

An _____________ system failure can cause carbon monoxide poising, loss of life, and loss of engine power

The ignition spark is not timed to the engines crankshaft position

Airflow through the engine must be more than Mack 1 at all times

Usually installed on an engine undergoing testing in a test cell to reduce resistance

induces voltage for starting engine

The —- or mechanical blockage reverser operates to form a barrier in the path of escaping exhaust gases

Internally driven supercharging induction systems are driven by what?

Spark plug needs to be replaced if it is dropped

A series of turning vanes is sometimes placed in the side-scoop inlet to assist in straightening the airflow

The maximum altitude it is possible to maintain, at a specified speed, a specified power or manifold pressure

The —- is capable of operating both its assigned cylinder and the other opposing cylinder as backup control

_____ and ______ caused by the extreme thermal conditions are the primary causes of interal failures

What exhaust system do turbosupercharged engines use?

Whenever the engine pressure ratio is high enough to produce exhaust gas velocities exceed Mach 1 use a —- nozzle

Failure in the heat exchanger surface allow exhaust gases to escape directly into the ____________

when all flux lines are short circuited, and no flux flows ..... what position?

____ break up a single main jet stream into a number of small jet streams

Repairs or sloppy weld bead that protrude internally are acceptable

Cools the compressed air and increases the charge air density

Which coil has less turns and thicker wire

Air - inlet duct are considered an airframe part

_____ around the exhaust gasket shows the exhaust has failed

Excessive deposit buildups may cause the wastegate valve to stick in the "closed" position and cause an _____ condition

High intake air temp. may cause..

Another name for starting vibrator

What position of the rotating magnet produces a maximum number of flux lines

When air passes through a diverging duct, air velocity decreases

Bypass air produces 80% of the engines thrust

This microprocessor based system controls ignition timing for engine starting in respect to engine speed and manifold…

While performing maintenance the reverser system doesn’t have to be locked out from deploying

The "Power Recovery Turbine" is driven by

Which circuit discharges to the sparkplug

The pressure from the outlet of the compressor of the turbocharger to the throttle is...

Almost all turbocharger systems use _________ as the control fluid for controlling the amount of boost

What can cause overshoot?

in the low-tension system, low voltage is generated and flows to the primary winding to transformer near the spark plug

Straightens and smoothed the exhaust has to extract the greatest possible thrust

Thrust reversing system that turn to a forward direction and block exhaust gases from exiting through the nozzle

The lower the frequency of sound the farther it travels

Is accomplished by placing a removable obstruction in the exhaust gas stream