FREE AVIATION AND STUDY GAMES ABOUT

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FREE AVIATION AND STUDY GAMES ABOUT

IGNITION&STARTINGSYS EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -74 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: 1) The platinum and iridium ground electrodes used on fine wire spark plugs are extremely brittle and can be broken if they are improperly handled or adjusted.(2) When gapping massive-electrode spark plugs, a wire gauge should be i...

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Only one is true Question 2: Which of the following could cause damage to the nose ceramic or to the electrode of an aircraft spark plug?

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Improper gapping procedure Question 3: In a high-tension ignition system, the current in the magneto secondary winding is

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Induced when the primary circuit is interrupted Question 4: When using a timing light to time a magneto to an aircraft engine, the magneto switch should be placed in the

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BOTH position

Question 5: The spark is produced in a magneto ignition system when the breaker points are

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Beginning to open

Question 6: A spark plug's heat range is the result of

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It's ability to transfer heat from the firing end of the spark plug to the cylinder head Question 7: What likely effect would a cracked distributor rotor have on a magneto?

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Ground the secondary circuit through the crack Question 8: When timing a magneto internally, the alignment of the timing marks indicates that the

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Magnets are in the E-gap position

Question 9: What will be the result of using too hot a spark plug?

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Preignition

Question 10: What is the purpose of using an impulse coupling with a magneto?

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To produce a momentary high rotational speed of the magneto

Question 11: Hot spark plugs are generally used in aircraft powerplants

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With comparatively low operating temperatures Question 12: Refer to Figure 5.) With power applied to the bus bar, what switch changes will allow the ignition exciters test switch to function?

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Engine masted switch and ignition switch

Question 13: When performing a magneto ground check on an engine, correct operation is indicated by

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A slight drop in RPM Question 14: Which of the following breaker point characteristics is associated with a faulty capacitor?

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Coarse grained Question 15: What should be used to clean grease or carbon tracks from capacitors or coils that are used in magnetos?

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Acetone Question 16: The term 'reach,' as applied to spark plug design and/or type, indicates the

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Linear distance from the shell gasket seat to the end of the threads on the shell skirts

Question 17: The purpose of staggered ignition is to compensate for

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Diluted fuel/air mixture around exhaust valve Question 18: Generally, when removing a turbine engine igniter plug, in order to eliminate the possibility of the technician receiving a lethal shock, the ignition switch is turned off and

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The igniter lead is disconnected from the plug and the center electrode grounded to the engine after disconnecting the transformer-excited input lead waiting the prescribed time

Question 19: Shielding is used on spark plug and ignition wires to

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Prevent interference with radio reception

Question 20: The numbers appearing on the ignition distributor block indicate the

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Sparking order of the distributor

Question 21: When using an electric starter motor, the current flow through it

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Is highest at the start of motor rotation Question 22: Magneto breaker point opening relative to the position of the rotating magnet and distributor rotor (internal timing) can be set most accurately

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During assembly of the magneto before installation on the engine Question 23: When the ignition switch of a single (reciprocating) engine aircraft is turned to the OFF position,

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The primary circuits of both magnetos are grounded Question 24: When a 'Shower of Sparks' ignition system is activated at an engine start, a spark plug fires

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Only while both the retard and advance breaker points are open

Question 25: What will be the effect if the spark plugs are gapped too wide?

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Hard starting Question 26: If it is found that a shielded ignition system does not adequately reduce ignition noise, it may be necessary to install

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A filter between the magneto and magneto switch Question 27: What test instrument could be used to test an ignition harness for suspected leakage?

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A high tension lead transfer